| "A strange mixture of caring and corruption" : residential care in Christian Brothers orphanages and industrial schools during their last phase, 1940s to 1960s | Coldrey, B. | Article in Journal | | 2000 |
| "Coffee politicions does create" : coffeehouses and Restoration political culture | Pincus, Steven C. A. | Article in Journal | | 1995 |
| "Comarba Coluim Chille" and the relics of Columba | Bannerman, John | Article in Journal | | 1993 |
| "Eden in Albion" : a history of the Mikveh in Britain | Kadish, Sharman, 1959- | Article in Book | Vallentine Mitchell | 1996 |
| "Everything Depends on the First Year" : Archbishop John Hughes and his fundraising plan for St. Patrick's Cathedral | Feighery, Kate | Article in Journal | | 2015 |
| "Looking at the state they're in" : the Irish country house at the birthing of a nation | O'Reilly, Seán | Article in Book | Department for Continuing Education, Oxford University | 2000 |
| "Modelled muscularity" : Daniel Robertson's Tudor manors | O'Dwyer, Frederick | Article in Journal | | 1999 |
| "Old Gravel Walk" (Blackhall Place), Dublin | Morgan, Robert | Article in Journal | | 1905 |
| "One continual warfare" : law, land and confrontation on the Shee estate, 1839-44 | Silverman, Marilyn | Article in Journal | | 2003 |
| "Our nuns are not a nation" : politicizing the convent in Irish literature and film | Cullingford, Elizabeth Butler | Article in Journal | | 2006 |
| "People v. Philips" in light of contemporary developments in Ireland and the U.S. | McMahon, Bryan | Article in Journal | | 2014 |
| "The Abbey" : an appreciation of Loreto Abbey, Rathfarnham | Dempsey, Anne | Monograph or Collective Volume | The Community of Loreto Abbey | 1999 |
| "The gates were shut" : Catholics, chapels, and power in late nineteenth-century Ireland | Delay, Cara | Article in Journal | | 2010 |
| "The two eyes of Ireland" : Religion and literature in the eighth and ninth centuries | Flower, Robin | Article in Book | | 1932 |
| "Who'll buy Killarney?" Social, legislative, and literary responses to the 1956 sale | Ulin, Julieann | Article in Journal | | 2019 |
| '...the false and crafty bludsukkers, the Observauntes' : '...na súmairíbréagacha beartacha : na hObsarvaintigh' | Mac Craith, Mícheál | Article in Book | Guildhall Press | 2010 |
| 'A case of great peculiarity and novelty': the Blackrockm Convent, Cork versus the McCarthy family in the House of Lords, 1848 | Morrogh, Michael McCarthy | Article in Journal | | 2017 |
| 'A decorative outburst' : the sedilia at Holycross Abbey, County Tipperary | Lynch, Ann | Article in Book | Wordwell | 2007 |
| 'A house of middle size' | Somerville-Large, Peter | Article in Journal | | 2014 |
| 'A seat improved entirely in the modern English taste': the history of Woodlawn Estate, 1550-1800 | Mercer, Bríd | Article in Journal | | 2011 |
| 'Bagpuss of Cashel' - the tale of a musical cat | Hughes, Joanne | Article in Journal | | 2011 |
| 'Benefactors and friends' : charitable bequests, reparation and the Donnybrook laundry | Enright, Máiréad | Article in Book | | 2023 |
| 'Bethlehem' : the Dillons and the Poor Clare convent at Ballinacliffey, Co. Westmeath | Cunningham, Bernadette | Article in Journal | | 2013 |
| 'Bulwark of the nations': Paul Cullen, the Christian Brothers, and the evangelization of an Irish empire | Keogh, Dáire | Article in Book | Four Courts Press | 2012 |
| 'But much of it is fallen down': Excavations at Farnham House, Farnham, Co. Cavan | Chapple, Robert M. | Article in Journal | | 2005 |
| 'But what exactly did she give?' Derbforgaill and the Nuns' Church at Clonmacnoise | Ní Ghrádaigh, Jenifer | Article in Book | Wordwell | 2003 |
| 'Cheap in the end' : a history of Donnybrook Magdalene Laundry | Coen, Mark | Article in Book | | 2023 |
| 'Collegium S. Antonii Lovanii, quod Collegium est unicum remedium ad conservandam Provinciam' (Donnchadh Ó Maonaigh, 1617-18) | Mac Craith, Mícheál | Article in Book | Four Courts Press | 2009 |
| 'Dropped into this kingdom from the clouds':The Irish career of Davis Dukart, architect and engineer | Logan, John | Article in Journal | | 2007 |
| 'Have your children got leave to speak?' the teacher training of New Zealand Dominican Sisters, 1871-1965 | Collins, Jenny | Article in Book | | 2016 |
| 'Holy, holier, holiest' : the sacred topography of the earliest medieval Irish church | Jenkins, David Harold | Monograph or Collective Volume | Brepols | 2010 |
| 'In very good business': Andrew Callnan's house-decorating business, 1790-1804 | Lucey, Conor | Article in Journal | | 2007 |
| 'Indeed a town of castles'; the castles of Limerick city | Hodkinson, Brian | Article in Journal | | 2011 |
| 'Je n'oublieray jamais' : John Soane and Downhill | Prey, Peirre de la Ruffinière du | Article in Journal | | 1978 |
| 'Je suis d'aucune nation' : the recruitment and identity of Irish women religious in the international mission field, c.1840-1940 | Raftery, Deirdre | Article in Journal | | 2013 |
| 'Learned, attached and reliable' : Luke Wadding, agent of the Spanish monarchy | Pérez Tostado, Igor | Article in Book | NA | 2020 |
| 'May your walls fall, and may I live to tell': Excavations at Farnham House, Farnham, County Cavan (revisited) | Chapple, R.M. | Article in Journal | | 2006 |
| 'Móin na gCaoineach' tower-house, Drimmeen, Co. Clare | Timoney, Martin A. | Article in Journal | | 1972 |
| 'Most vicious and refractory girls' : the reformatories at Ballinasloe and Monaghan | Curtin, Geraldine | Article in Journal | | 2013 |
| 'Oh Lord, make haste to help me': prayer and the imagery atop canon table II in the Book of Kells | Endres, William | Article in Book | | 2017 |
| 'One of the glories of Ireland' | Munday, George | Article in Journal | | 2006 |
| 'Our daily bread': food and monastic diet in early medieval Ireland | O'Byrne, Clara Margaret | Thesis | | 1999 |
| 'Our Lord's pity' in Ennis friary | O'Farrell, Fergus | Article in Journal | | 1980 |
| 'Politics, coffee and news' : the Dublin book trade in the eighteenth century | Kennedy, Máire | Article in Journal | | 2005 |
| 'Powerful adversaries' : the Knights Templar, landholding and litigation in the lordship of Ireland | Coleman, Edward | Article in Book | | 2015 |
| 'Replant the uprooted trunk of the tree of faith' : the Society of Jesus and the continental colleges for religious exiles | McCoog, Thomas M. | Article in Book | | 2013 |
| 'She came from a fine Catholic family'. Religious sisterhoods of the Maitland diocese, 1867-1909 | Zimmerman, Beverly | Article in Journal | | 2000 |
| 'Slane in Bregia', County Meath : its friary and hermitage | Westropp, Thomas Johnston | Article in Journal | | 1902 |
| 'Stair Mhlaise ar Dhartraighibh déin' by Sighraidh Ó Cuirnín : a poem on the rights and privileges of the Coarb of Saint Molaise over Dartraighe | Smith, Peter J. | Article in Journal | | 2018 |
| 'Telling the dancer from the dance' : the archaeolgy of early medieval Wexford | Doyle, Ian W. | Article in Book | | 2016 |
| 'The beautiful grounds of Mount Merrion' in the late nineteenth cantury | Forrest, Mary | Article in Journal | | 2022 |
| 'The conspiracy of Mellifont', 1216-31 | O'Dwyer, Barry W. | Thesis | | 1968 |
| 'The experimental non-experimental committee' : governing the workhouse in late-eighteenth-century Dublin | Higgins, Padhraig | Article in Journal | | 2025 |
| 'The First Irish Cities: an eighteenth-century transformation' [by] David Dickson. New Haven, Ct., 2022 | Cunningham, John, 1957- | Article in Journal | | 2021 |
| 'The monastic city' in Wales : myth or reality? | Butler, Lawrence A. S. | Article in Journal | | 1979 |
| 'The root of all vice and bestiality' : exploring the cultural role of the alehouse in the Ulster plantation | Horning, Audrey J. | Article in Book | | 2009 |
| 'Then She Went to a Mountain Solitude'. Searching for Nuns in the Bushes of Medieval Welsh Hagiography | Morgan, G.J. | Article in Journal | | 2022 |
| 'Trading patria for peregrinatio' ; the Irish in medieval Europe | Ó Riain, Diarmuid | Article in Book | | 2025 |
| 'Wide-reaching connections' : the list of abbots from Iona in the Liber Confraternitatum Ecclesiae S. Petri in Salzburg | Ó Riain-Raedel, Dagmar | Article in Book | | 2011 |
| 100 Wexford country houses : an illustrated history | Walsh, Dan | Monograph or Collective Volume | Mill Park Publications | 1996 |
| 1241-1991 : 750th anniversary of the founding of the Dominican priory of Saints Peter and Paul, Athenry | Rynne, Etienne | Monograph or Collective Volume | Athenry Historical Society | 1991 |
| 14th century life in a Dublin monastery | Mac Giolla Phádraig, Brian | Article in Journal | | 1945 |
| 14th century monastic estates in Meath : the Llanthony cells of Duleek and Colp | Brooks, E. St. John | Article in Journal | | 1977 |
| 14th century monastic estates in Meath : the Llanthony cells of Duleek and Colp | Brooks, E. St. J. | Article in Journal | | 1953 |
| 15th century carvings under the tower of Ennis friary | Gilmore, Hilary | Article in Journal | | 2001 |
| 66 Dame Street: biography of a Dublin house | Roantree, Gail C. | Article in Journal | | 2017 |
| A 1570 list of castles in county Clare | Breen, Martin | Article in Journal | | 1995 |
| A 1614-18 Londoner's glasshouse at Salterstown, Co. Derry? | Brannon, N. F. (Nick) | Article in Journal | | 1998 |
| A 17th century idea : two Franciscan provinces in Ireland | Giblin, Cathaldus | Article in Journal | | 1951 |
| A biographical note, Nano Nagle, 1718-1784 | De Bhál, Dolores | Article in Journal | | 2000 |
| A breviary from St Mary's Abbey, Trim | Gwynn, Aubrey | Article in Journal | | 1966 |
| A brief history and description of St. Savior's Priory, commonly called Blackfriars, Waterford | Lumley, I. W. J. | Article in Journal | | 1977 |
| A brief history of Clydagh Estate | Carroll, Michael | Article in Journal | | 1999 |
| A Brooklodge auction handbill | | Article in Journal | | 2015 |
| A calendar of inquisitions formerly in the office of the chief remembrancer of the exchequer prepared from the manuscripts of the Irish Record Commissioners | Griffith, Margaret C. | Monograph or Collective Volume | Irish Manuscripts Commission | 1991 |
| A Carnival of learning: essays to honour George Cunningham and his 50 conferences on medieval Ireland in the Cistercian Abbey of Mount St Joseph, Roscrea, 1987-2012 | | Monograph or Collective Volume | Cistercian | 2012 |
| A case study : Clochar Macc nDaimíni | Warner, R. B. | Article in Journal | | 1981 |
| A catalogue of Farnham material held by Cavan County Museum | | Article in Journal | | 2006 |
| A century of prayer 1893-1993 : Poor Clare Monastery, Perpetual Adoration, Graiguecullen, Carlow | Poor Clare Monastery, Graiguecullen, Carlow | Monograph or Collective Volume | Poor Clares | 1993 |
| A chain of secondary education : from the last Franciscans of Muckross to today's St Brendan's College | O'Donoghue, Donal | Article in Journal | | 2012 |
| A charter of John de Courcy to the abbey of Navan | | Article in Journal | | 1933 |
| A chat with Laurence Murphy | Fitzpatrick, DickMurphy, Laurence | Article in Journal | | 2021 |
| A chessboard and a white female rabbit : merging identities in seventeenth-century Rome | Mac Craith, Mícheál | Article in Journal | | 2014 |
| A chronography of the Carmelite Abbey, 1800-1918 | Moughen, Phelim | Article in Book | | 2003 |
| A chronology of Thurles, 580-1978 | Kennedy, JamesO'Gorman, D. | Monograph or Collective Volume | Tipperary Star | 1979 |
| A comment on Fr. Aubrey Gwynn's 'The medieval province of Armagh' | Ó Ceallaigh, Séamus | Article in Journal | | 1953 |
| A conducted tour of Timoleague Friary on Monday June 20th 1983 | Wholley, Diarmuid | Article in Journal | | 1986 |
| A contemporary account of the martyrdom of Conor O'Devany, OFM, bishop of Down and Connor, and Patrick O'Loughran | Corish, Patrick J. | Article in Journal | | 1984 |
| A convent memory | Connor, Mariette | Article in Journal | | 2000 |
| A country-house childhood | Girouard, Mark | Article in Book | | 1992 |
| A day in the life of Father Luke Wadding | Mooney, Canice | Article in Journal | | 1957 |
| A day on the Transamazonica. Fr. Michael Scott recalls some scary episodes on mission in Brazil | Scott, Michael | Article in Journal | | 2011 |
| A decorated tile from Baltinglass abbey | Parker, William S. | Article in Journal | | 1941 |
| A dendrochronologically-dated oak beam from Portglinone House, county Antrim | Brown, David M.Donnelly, Colm J. | Article in Journal | | 2000 |
| A distribution of early Christian monastic sites and its implications for contemporary secular settlement in County Louth | Murphy, Donald | Article in Journal | | 1992 |
| A dream unfolds : the story of Nano Nagle | Fox, Noela | Monograph or Collective Volume | Columba | 2016 |
| A forgotten abbey of St Mary's, Drogheda | Gwynn, Aubrey | Article in Journal | | 1953 |
| A fortified home | Doyle, Paud | Article in Journal | | 2006 |
| A fresh look at Versiculi Familiae Benchuir | O'Dwyer, P. | Article in Journal | | 1981 |
| A fry-up and an espresso: Bewley's Café and cosmopolitan Dublin | Bonner, Kieran | Article in Journal | | 2007 |
| A Georgian survivor : Fitzwilliam Square garden and its commissioners | Bryan, M. | Article in Journal | | 2001 |
| A ghost-friary in Co. Armagh | Mooney, Canice | Article in Journal | | 1969 |
| A Glendalough bishop in Germany? The Four Masters and the three Gilla na Náems | Ó Riain, Diarmuid | Article in Book | | 2011 |
| A guide to Connemara's early Christian sites | Previté, Anthony | Monograph or Collective Volume | Oldchapel Press | 2008 |
| A guide to Coole Park, Co. Galway : home of Lady Gregory | Smythe, Colin | Monograph or Collective Volume | Smythe | 1972 |
| A guide to Irish country houses | Bence-Jones, Mark | Monograph or Collective Volume | [s.n.] | 1988 |
| A guide to Lough Corrib's early monastic sites | Previté, Anthony | Monograph or Collective Volume | Oldchapel Press | 2010 |
| A hidden Church? The structure of Catholic Dublin in the mid-eighteenth century | Burke, Nuala | Article in Journal | | 1974 |
| A history of Brigidine foundations in Roscrea, Ireland and Kenosha and Titusville, America | Power, Anne | Article in Journal | | 2012 |
| A history of Castle Oaks House | Carroll, Joe | Monograph or Collective Volume | Castle Oaks House Hotel | 1996 |
| A history of Clare abbey and Killone | Power, Joseph | Monograph or Collective Volume | The author | 1987 |
| A history of Gallen Priory, Ferbane : from the time of St. Cynoc to the present day | Barber, Marie ThérèseDelaney, M. | Monograph or Collective Volume | Sisters of St. Joseph of Cluny | 2005 |
| A history of Leopardstown Park | Lydon, Adèle | Monograph or Collective Volume | Foxrock Local History Club | 1983 |
| A history of literacy and libraries in Ireland : the long traced pedigree | Castlelyn, Mary | Monograph or Collective Volume | Gower | 1984 |
| A history of priests and nuns from the parish of Louth, Co. Louth | Faul, Stephen A | Monograph or Collective Volume | The author | 2013 |
| A history of St Helen's | Anonymous | Article in Journal | | 2010 |
| A history of the Christian Brothers in Limerick, part 1 | Ahern, Richard | Article in Journal | | 1987 |
| A history of the Christian Brothers in Limerick, part 2 | Ahern, Richard | Article in Journal | | 1987 |
| A history of the Fastnet lighthouse | Morrissey, James | Monograph or Collective Volume | Crannóg | 2005 |
| A history of the foundation of the Congregation of the Sacred Hearts of Ireland | Clancy, Philip | Monograph or Collective Volume | Sacred Heart Community | 1991 |
| A history of the Irish church, 400-700 AD | Bradley, ThomasWalsh, John R. | Monograph or Collective Volume | Columba | 1993 |
| A history of the medieval diocese of Cloyne | MacCotter, Paul | Monograph or Collective Volume | Columba | 2013 |
| A house at the birth of modernity : Ightermurragh Castle in context | O'Keeffe, Tadhg,Quirke, Sinéad, | Article in Book | | 2009 |
| A journey ... a dream : the Drumshanbo nuns' story, 1864-2000 | Horan, Margaret V. | Monograph or Collective Volume | The author | 2000 |
| A lifetime in the lighthouse service | Butler, Pauline | Article in Journal | | 2009 |
| A light undimmed : the story of the Convent of Our Lady of Bom Sucesso Lisbon : 1639 to 2006 | McCabe, Honor | Monograph or Collective Volume | Dominican Publications | 2007 |
| A list of Dominicans in Ireland, 1657 | NA | Article in Journal | | 1983 |
| A list of Dominicans in Ireland, 1817 | Fenning, Hugh | Article in Journal | | 1966 |
| A list of Dominicans in Ireland, 1817 | Tenning, Hugh | Article in Journal | | 1966 |
| A list of Dominicans in Ireland, 1832 | NA | Article in Journal | | 1988 |
| A list of the monasteries in Connacht, 1577 | NA | Article in Journal | | 1972 |
| A list of the personnel of the Franciscan province of Ireland, 1700 | NA | Article in Journal | | 1965 |
| A list of the personnel of the Franciscan province of Ireland, 1700 | Anonymous | Article in Journal | | 1965 |
| A long way from Jerusalem : the Templars and Hospitallers in Ireland, c. 1172-1348 | Nicholson, Helen J., 1960- | Article in Book | | 2015 |
| A Loreto ray of hope | O'Donoghue, Máire | Article in Journal | | 2011 |
| A lost Victorian demesne | Fewer, Michael | Article in Journal | | 2007 |
| A map of Ballyfin Demesne 200 years ago | Horner, Arnold | Article in Journal | | 2015 |
| A missing album of watercolours | Manning, Conleth | Article in Journal | | 2010 |
| A monastery among the glens | McDermott, ConorSeaver, MattWarren, Graeme | Article in Journal | | 2018 |
| A monastic enclosure site at Clonfad, Co. Westmeath | Stevens, Paul | Article in Journal | | 2006 |
| A monastic landscape : the Cistercians in medieval Leinster | Lynch, Bridget | Thesis | | 2008 |
| A new chapter for Ballyfin | Mulligan, Kevin | Article in Journal | | 2005 |
| A new garden for an old house | Mould, Daphne D. C. Pochin | Article in Journal | | 2005 |
| A new world man in an old world town : the identification of Sir Walter Raleigh’s residence in late sixteenth-century Youghal, Co. Cork, Ireland | Kelly, DavidO'Keeffe, Tadhg | Article in Journal | | 2019 |
| A notable centenary | Breathnach, Micheál | Article in Journal | | 1942 |
| A notable centenary, 1240-1940 : the friars in Wexford | Lee, Sebastian,OFM | Article in Journal | | 1941 |
| A note on Anthony O'Donnell, O.F.M., Bishop of Raphoe, 1750-55 | Conlan, Patrick, 1940- | Article in Journal | | 1997 |
| A note on the Augustinian priory in Athlone | Conlon, Patrick | Article in Journal | | 2003 |
| A note on the dairteach | Manning, Conleth | Article in Book | | 2015 |
| A note on the Uí Chiaróg clerical lineage of Rathbláthmaic | McInerney, Luke
| Article in Journal | | 2012 |
| A parish remembers its past | Hughes, E. W. | Article in Journal | | 1981 |
| A path to perfection : translations from French by Catholic women religious in nineteenth-century Ireland | Milan, Michèle | Article in Book | | 2016 |
| A people's church. The diocese of Achonry, the first thousand years : from the sixth to the seventeenth century | Swords, Liam | Monograph or Collective Volume | Columba | 2013 |
| A pint of plain : tradition, change, and the Irish pub | Barich, Bill | Monograph or Collective Volume | Bloomsbury | 2009 |
| A pint to remember : the pub as community militarism | Partis-Jennings, Hannah | Article in Journal | | 2022 |
| A plunge into the wilderness : the Sisters of St John of God among the aboriginal peoples of north-west Australia | Egan, Eileen | Article in Book | | 2015 |
| A portrait of monastic Wexford | Breen, Aidan | Article in Journal | | 2006 |
| A rare aspect of early Irish monasticism : the martyrdom of Donnán | Ní Chatháin, Próinséas | Article in Book | | 2010 |
| A regal abode | Nelson, E. Charles | Article in Journal | | 2004 |
| A reinterpretation of the castle at Clarecastle | Hodkinson, Brian | Article in Journal | | 2004 |
| A reliquary by Richard Joyce | Bermingham, HelenEgan, Ríona | Article in Journal | | 2019 |
| A remarkable nun - Sister Mary Columba Hasson | O'Flanagan, Nora Pat, Sr. | Article in Journal | | 1998 |
| A rich inheritance : Galway Dominican nuns, 1644-1994 | O'Neill, Rose | Monograph or Collective Volume | Dominican Sisters | 1994 |
| A Richard Castle design for Headfort, Co. Meath | Griffin, David J. | Article in Book | | 1998 |
| A road less travelled : tales of the Irish missionaries | | Monograph or Collective Volume | Open Air, an imprint of Four Courts Press | 2011 |
| A Rockabill legend. [Talk given 1984] | Fitzpatrick, Diarmuid | Article in Journal | | 2010 |
| A Romanesque boss and a loaf of bread at Monaincha, Co. Tipperary | Higgins, Jim | Article in Journal | | 2015 |
| A romantic view of Inch Abbey, monastic site on the banks of the Quoile | Colmer, Albert W. K. | Article in Journal | | 1988 |
| A school visit to Mutton Island from Scoil Iognáid | Higgins, Jim | Article in Journal | | 2012 |
| A seagrey house : the history of Renvyle House | Lidwill, J. A. | Monograph or Collective Volume | [s.n.] | 1988 |
| A second golden age : the Irish Franciscans, 1918-63 | Daly, Mary E. | Article in Book | | 2009 |
| A select prosopography of some Irish Franciscans on the continent | Fennessy, Ignatius | Article in Book | | 2009 |
| A seventeenth century prior of Kilcock | Kelly, Martin J. | Article in Journal | | 1970 |
| A seventeenth-century Irish version of the rule of St. Clare : glossarial Index | | Article in Journal | | 1950 |
| A Sheela-na-gig at Ballinaclogh, Co. Tipperary | Manning, Conleth | Article in Book | | 1988 |
| A shining lamp : the oral instructions of Catherine McAuley | Sullivan, Mary C. | Monograph or Collective Volume | Catholic University of America | 2017 |
| A short ecclesiastical history of Monkstown | Quilter, Vincent | Article in Book | | 1987 |
| A short history of Woodley Estate, Kilmacud|Correction: Woodley House | Tracy, Frank | Article in Journal | | 2016 |
| A short-lived Royal Dublin Foundation | Mansfield, Brocard | Article in Journal | | 1983 |
| A short-title calendar of Irish material in the Consultationes generales, vols. 1, 2, and 3 in the General Archives of the Friars Minor, Rome | Conlan, Patrick, 1940- | Article in Journal | | 1985 |
| A short-title calendar of the reception and profession books of the English Franciscans in Killarney 1860-1902 | Conlan, Patrick, 1940- | Article in Journal | | 2000 |
| A sidelight on the Dublin (Whitefriar Street) preaching house in 1789 | Bradshaw, D. B. (David Bigham) | Article in Journal | | 1914 |
| A Sister and her school, Dublin 1830 | Butler, Katherine | Article in Journal | | 1988 |
| A star reborn : Great Southern Hotel, Killarney, 1854-2004 | Corr, Frank | Monograph or Collective Volume | Great Southern Hotel Group Ltd. | 2003 |
| A strange 'Púirín' in the early monastic site at Roscam, Co. Galway | Rynne, Etienne | Article in Book | | 2012 |
| A Study of community in eighth-century Ireland based on Navigatio Sancti Brendani Abbatis and the Celi Dé rules | Rumsey, Patricia M. | Article in Journal | | 2007 |
| A suggestion regarding the tomb at Strade, Co. Mayo | Manning, Conleth | Article in Book | | 2012 |
| A survety of the Priory and graveyard at Tulsk, Co. Roscommon | Brady, NiallCannon, AnneCorns, AnthonyMcNeary, RoryShanahan, BrianShaw, Robert | Article in Journal | | 2005 |
| A survey of the antiquities in the barony of Small County, county Limerick | O'Kelly, M. J. (Michael Joseph) | Article in Journal | | 1944 |
| A surviving example of ship graffiti at Ross Errily Franciscan friary, Co Galway | Cunniffe, Christy | Article in Book | NA | 2017 |
| A sweathouse at Caherhillian, Co. Kerry | Harte, Aidan | Article in Journal | | 2008 |
| A tale of two cathedrals | Fryday, Barbara | Monograph or Collective Volume | [The author] | 1980 |
| A tale of two monasteries | Anonymous | Article in Journal | | 1987 |
| A tale of two palm houses | Nelson, E. Charles | Article in Journal | | 2005 |
| A tale of two rules : Benedict and Columbanus | Ó Cróinín, Dáibhí | Article in Book | | 2005 |
| A Templar's tomb | Cloney, Sean | Article in Journal | | 1996 |
| A tentative chronology for tower houses in west Cork | Samuel, Mark | Article in Journal | | 1998 |
| A timber watermill revealed in the ecclesiastical core of Ferns | Taylor, Kate | Article in Book | | 2023 |
| A time for sowing : the St. John of God brothers in Ireland : a centenary record 1879-1979 | Purcell, Mary | Monograph or Collective Volume | Brothers of St. John of God | 1979 |
| A tower house and ringfort at Pallas Upper, Borrisoleigh | O'Regan, Donal | Article in Journal | | 1992 |
| A twarted project : the Capuchin mission to England and Scotland in the seventeenth century, 1608-1660 | Martin, F. X. (Francis Xavier), 1922-2000 | Article in Book | | 1964 |
| A twelfth-century indulgence granted by an Irish bishop at Bath priory | Flanagan, Marie-Therese | Article in Book | | 2011 |
| A typological study of the tower houses of County Limerick | Donnelly, Colm J. | Article in Journal | | 1999 |
| A valiant Dublin woman : the story of George's Hill (1766-1940) | Savage, R. B. | Monograph or Collective Volume | Gill | 1940 |
| A vanished Ulster house : Echlinville, Co. Down | Waterman, D. M. | Article in Journal | | 1960 |
| A walk around town | M[ay], E.H.L. | Article in Journal | | 1969 |
| A Waterford Ursuline historical writer | Butler, Matthew | Article in Journal | | 1943 |
| A wooden key to open Heaven's door : lessons in practical Catholicism from St Anthony's College, Louvain | Ryan, Salvador | Article in Book | | 2009 |
| Abbatial contention in Armagh in the eighth and ninth centuries : the 'Comarbada Patraic' as a source | Haggart, Craig | Article in Journal | | 2003 |
| Abbeville : the family home of Charles J. Haughey | Doorly, Mary Rose | Monograph or Collective Volume | Town House | 1996 |
| Abbey Assaroe | Conway, Colmcille | Article in Book | | 1959 |
| Abbey Leix : an Irish home and its demesne | Laffan, William | Monograph or Collective Volume | Churchill House Press | 2017 |
| Abbey of Donegal: Headstones & Heritage | O'Doherty, Séamus | Monograph or Collective Volume | Tirconnell Books | 2019 |
| Abbeydorney Monastery, Co. Kerry : the Canon Power manuscript | Pierse, John H. | Article in Journal | | 1976 |
| Abbeys and churches | McCord, MargaretRigby, G. R. | Monograph or Collective Volume | Crannóg | 1971 |
| Abbot Columba Marmion | Murray, Placid | Article in Book | | 2005 |
| Abbot Columba Marmion (1858-1923) | Marmion, Declan | Article in Book | | 2013 |
| Absence of evidence - evidence of absence? Female communities of the mendicant orders in medieval Ireland | Collins, Tracy | Article in Book | Cork University Press | 2024 |
| Account roll of the Priory of the Holy Trinity, Dublin 1337-1346 | | Monograph or Collective Volume | Four Courts | 1996 |
| Account roll of the priory of the Holy Trinity, Dublin, 1337-1346. With the Middle English moral play 'The pride of life' | | Monograph or Collective Volume | | 1891 |
| Accounting at the Donnybrook Magdalene Laundry | Murphy, Brid ; Quinn, Martin | Article in Book | | 2023 |
| Ad Candidam Casam : an examination of St. Ninian's position as a father of British monasticism | Luff, S. G. A. | Article in Journal | | 1953 |
| Adare Franciscan friary | Conlan, Patrick, 1940- | Article in Journal | | 2012 |
| Additions to the Map of Monastic Ireland : the south-west | Hurley, V. | Article in Journal | | 1981 |
| Addressing the apparent paradox of the Catholic sister principal : 1940–1965 | O'Donoghue, Tom | Article in Journal | | 2013 |
| Adiutor laborantium : a poem by Adomnán? | Márkus, Gilbert | Article in Book | | 2010 |
| Adomnán among the bird-hunters : tradition and creativity in 'Beannachadh Seilg' | Low, Mary | Article in Book | | 2010 |
| Adomnán and Donegal | Lacey, Brian | Article in Book | | 2010 |
| Adomnán at Birr, AD 697 : essays in commemoration of the law of the innocents | O'Loughlin, Thomas | Monograph or Collective Volume | Four Courts | 2001 |
| Adomnán in medieval Gaelic literary tradition | Clancy, Thomas Owen | Article in Book | | 2010 |
| Adomnán of Iona : life of St Columba | | Monograph or Collective Volume | Penguin | 1995 |
| Adomnán of Iona : theologian, lawmaker, peacemaker | | Monograph or Collective Volume | Four Courts | 2010 |
| Adomnan the illustrious | O'Loughlin, Thomas | Article in Journal | | 1995 |
| Adomnan's 'Life of Columba'. | | Monograph or Collective Volume | | 1991 |
| Adomnán's life of St Columba | Ritari, Katja | Article in Book | | 2012 |
| Adomnán's monastery of Iona | MacDonald, Aidan | Article in Book | | 1997 |
| Adomnán's voyaging saint : the cult of Cormac ua Liatháin | Tipp, Dan,Wooding, Jonathan M., | Article in Book | | 2010 |
| Adomnán, Adhamhnán, Eunan
Life and Afterlife of a Donegal Saint | Lacey, Brian | Monograph or Collective Volume | Four Courts | 2021 |
| Aerial ships and underwater monasteries : the evolution of a monastic marvel | Carey, John | Article in Journal | | 1992 |
| After the Boyne : some Irish Dutch connections | Kirwan, James | Article in Journal | | 2000 |
| Afterword | O'Keeffe, Tadhg | Article in Book | | 2005 |
| Against the tide : the story of Adomnán of Iona | Bardsley, Warren | Monograph or Collective Volume | Wild Goose Publications | 2006 |
| Aldborough House, Dublin : a construction history | O'Boyle, A. | Article in Journal | | 2001 |
| Alderman Daniel Burke - Grocer, Tea, Wine and Spirit Merchant | Burke, Thomas | Article in Journal | | 2014 |
| Aldhelm of Malmesbury's social theology : the barbaric heroic ideal christianised | Dempsey, G. T. | Article in Journal | | 2001 |
| Alexander Mitchell (1780-1868) : Belfast's blind engineer | Blaney, Jim | Article in Journal | | 2006 |
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| Alien priories in medieval Ireland : history and archaeology | Stout, Geraldine | Article in Book | | 2024 |
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| Amorbach und die Pirminlegende | Büttner, Heinrich | Article in Journal | | 1953 |
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| An account of the proceedings of the governors of the house of industry in Dublin | Anonymous | Monograph or Collective Volume | | 1801 |
| An antiquary's note book 18 : By the banks of the Shabhrann (2) | MacCarthy, C. J. F. | Article in Journal | | 1997 |
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| Arthur Kingstone's household staff | English, Norman William | Article in Journal | | 1972 |
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| Ballintubber Abbey, Carra, Co. Mayo | Murphy, Damian | Article in Journal | | 2020 |
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| Bird and fish bones from Beaubec, Co. Meath | Hamilton-Dyer, S. | Article in Book | | 2023 |
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| Birr, Convent of Mercy. Convent centenary | Anonymous | Article in Journal | | 1940 |
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| Brides of Christ : Women and monasticism in medieval and early modern Ireland | | Monograph or Collective Volume | Four Courts Press | 2023 |
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| Bright light, white water : the story of Irish lighthouses and their people | Long, Bill | Monograph or Collective Volume | New Island Books | 1993 |
| Bringing it all back home : Mary Butler (1641-1723), Benedictine abbess of Ypres | Kelly, James E. | Article in Book | | 2015 |
| British and Irish Religious Orders in Europe, 1560-1800 : conventuals, mendicants and monastics in motion | | Monograph or Collective Volume | Durham University. IMEMS Press | 2022 |
| Brother D. B. Hoctor, superior Tuam C. B. S., 1905-1914 | Caomhánach, A. P. | Article in Book | | 1997 |
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| Building a frontier? The architecture of the military orders in medieval Ireland | Grogan, PatO'Keeffe, Tadhg | Article in Book | | 2015 |
| Building dialectics: negotiating urban scenography in late Georgian Dublin | Lucey, Conor | Article in Book | | 2012 |
| Building in the grand manner : Sir Richard Morrison's country houses | McParland, Edward | Article in Journal | | 1973 |
| Building lordship in thirteenth-century Ireland: the 'donjon' of Coonagh Castle, Co. Limerick | O'Keeffe, Tadhg | Article in Journal | | 2011 |
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| Bunscoil Dhún Chéirí: Stair Ghearr na Scoile, 1895-2020 | Baxter, Ann | Article in Journal | | 2021 |
| Bunú Mhainistir Chnoc Mellerí agus cúram na Gaelinne | Ó Maidín, Uinseann | Article in Journal | | 2017 |
| Burgatia (land of the burgesses or freemen of Ross) | O'Callaghan, Fachtna | Article in Journal | | 2007 |
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| Burials at the well: excavations at the Black Friary, Trim | Kelly, MarkSeaver, MatthewTravers, Ciara | Article in Book | | 2009 |
| Burials in a country churchyard | Gormley, SarahLogue, RuthMcGranaghan, Clare | Article in Journal | | 2007 |
| Burials in Holy Cross Abbey | Hayes, William Joseph | Monograph or Collective Volume | Holy Cross Abbey Restoration Committee | 1970 |
| Buried among the saints | O'Loughlin, Thomas | Article in Book | | 2016 |
| Burrowes of Stradone House | Cunningham, T. P. | Article in Journal | | 1980 |
| Burton Hall, Leopardstown Road | Ryan, Rita | Monograph or Collective Volume | Foxrock Local History Club | 1984 |
| Butlerstown Castle | Skrine, Helen | Article in Journal | | 2007 |
| Butterhill & beyond (On a chapeau gules) : an illustrated history of the Cooper family of Byfleet : Killenure castle, county Tipperary & Abbeyville House, county, Dublin | Austin-Cooper, Richard | Monograph or Collective Volume | The author | 1991 |
| Buttevant Abbey | O'Callaghan, John | Article in Journal | | 1985 |
| By strange paths : an autobiography of a Benedictine of Kylemore Abbey | Lee, Elizabeth M. Magdalen, Dame | Monograph or Collective Volume | Kylemore Abbey Publications | 2002 |
| By the narrow gate : a bicentenary history : Patrician bicentenary, 1808-2008 | Patrician Brothers. General Secretariat. | Monograph or Collective Volume | Patrician General Secretariat | 2008 |
| Byblox revisited | Hajba, Anna-Maria | Article in Journal | | 1997 |
| Caherlehillen: An early Iveragh church site | Sheehan, John | Article in Book | | 2022 |
| Caipisínigh Éireannacha agus Gaeil eile i Sedan | Ó hAnnracháin, Eoghan | Article in Journal | | 2014 |
| Cairteacha meán-aoiseacha do mhainistir Fhobhair, 12-13 céad | | Article in Journal | | 1961 |
| Callan and Ormond : architecture of the 'Middle Nation'? | O'Donovan, Danielle | Article in Book | | 2012 |
| Canopied wall tomb of Ennis Friary 1460-70 | Gilmore, HilaryÓ Dálaigh, Brian | Article in Journal | | 1996 |
| Capard : an Irish country house and estate | Reilly, Ciaran | Monograph or Collective Volume | Irish Georgian Society | 2019 |
| Capard : an Irish country house and estate | Reilly, Ciarán | Monograph or Collective Volume | Irish Georgian Society | 2019 |
| Capturing the light : window - glasshouses in Georgian Ireland | Roche, Nessa | Article in Journal | | 1998 |
| Caring for Chicago's women and girls : the Sisiters of the Good Shepherd, 1859-1911 | Hoy, Suellen | Article in Journal | | 1997 |
| Caring for the nation : a history of the Mater Misericordiae University Hospital | Nolan, M. Eugene, Sister | Monograph or Collective Volume | Gill & Macmillan | 2013 |
| Carlow College, Pittsburgh, Pennsylvania (U.S.A.) | McKenna, Dermot | Article in Journal | | 1997 |
| Carlow Seven | McDarby, John | Article in Journal | | 2017 |
| Carlow workhouse during the Famine years | Robins, J. A. | Article in Journal | | 1972 |
| Carlow's inns and taverns | Anonymous | Article in Journal | | 2005 |
| Carlow's old inns, churches, gaol, and castle | Douglas, M. C. | Article in Journal | | 1951 |
| Carriglea : from country demesne to College of Art | Laffan, Moira | Monograph or Collective Volume | Foxrock Local History Club | 1987 |
| Carton : from ducal mansion to country house hotel | Howley, James | Article in Journal | | 2007 |
| Carton and Isaac Ware | Griffin, David J. | Article in Journal | | 1994 |
| Carton and the Shell Cottage | Anonymous | Article in Journal | | 1995 |
| Cashel of the kings : a handy illustrated guide to the Rock of Cashel, its ruins and surroundings, | McCraith, L. M | Monograph or Collective Volume | The Chronicle (printer) | 1923 |
| Castle Dillon and the Molyneux family | Kerr, John | Article in Journal | | 1996 |
| Castle Ellen - 'Our own Coole' | Monaghan, Dominic | Article in Journal | | 1995 |
| Castle Hyde : the changing fortunes of an Irish country house | Dooley, Terence A.M. | Monograph or Collective Volume | Four Courts | 2017 |
| Castle of the Faerie Queene : probing the ruins of Edmund Spenser's Irish home | Klingelhöfer, Eric | Article in Journal | | 1999 |
| Castle Salem Benduff | O'Callaghan, Fachtna | Article in Journal | | 2010 |
| Castlebawn | Cody, Pat | Article in Journal | | 1998 |
| Castleboro : a lost legacy | Cullen, Damian | Monograph or Collective Volume | The author | 2016 |
| Castleboro of old | Kinsella, Maurice | Article in Journal | | 1990 |
| Castlecoole, Co. Fermanagh | Mott, George | Article in Journal | | 1989 |
| Castledermot and the Franciscans | Fennessy, Ignatius | Article in Journal | | 1998 |
| Castlefergus, or Ballyhannon Castle - a living stronghold | Breen, MartinUa Cróinín, Risteárd | Article in Journal | | 2014 |
| Castlefield House | Corballis, Caroline | Article in Journal | | 1996 |
| Castlegrove House, 1894 | O'Donoghue, Power | Article in Book | | 1997 |
| Castlekevin House | Timmons, Mauny | Article in Journal | | 2007 |
| Castlemahon/Castlebernard | Connolly, Paddy | Article in Journal | | 1996 |
| Castleraw, near Loughgall, Co. Armagh | Jope, E. M. | Article in Journal | | 1954 |
| Castles and connectivity : exploring the economic networks between tower houses, settlement and trade in late-medieval Ireland | McAlistser, Vicky | Article in Journal | | 2016 |
| Castles and connectivity : exploring the economic networks between tower houses, settlement, and trade in late-medieval Ireland | McAlister, Victoria | Article in Journal | | 2016 |
| Castletown | Office of Public Works | Monograph or Collective Volume | Office of Public Works | 1995 |
| Castletown in State ownership: reviving an Italianate palazzo, 1994-2017 | Depner, Dorothea | Article in Journal | | 2017 |
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| Catalogue of Irish material in vols 370 and 371 of the Scritture riferite originali nelle congregazioni generali in Propaganda archives | | Article in Journal | | 1985 |
| Cathedral and monastic office in Ireland | Curran, Michael | Article in Journal | | 1978 |
| Catherine McAuley 1778-1978 : bi-centenary souvenir book | | Monograph or Collective Volume | Irish Messenger Publications | 1978 |
| Catherine McAuley : the first Sister of Mercy | Savage, R. B. | Monograph or Collective Volume | [s.n.] | 1955 |
| Cavanacor House, Lifford, and President Polk's ancestors | O'Kane, Eddie | Article in Journal | | 1989 |
| Céili Dé in Ireland : monastic writing and identity in the early middle ages | Follett, Westley | Monograph or Collective Volume | Boydell | 2006 |
| Celbridge Abbey | MacNeill, Anne | Article in Journal | | 2008 |
| Celebrating Columba / Colm Cille á cheiliúradh: Irish-Scottish connections 597-1997 | | Monograph or Collective Volume | John Donald | 1999 |
| Célí Dé : spiritual reform in Ireland, 750-900 | O'Dwyer, Peter | Monograph or Collective Volume | | 1981 |
| Cellular meanings, monastic beginnings | Thomas, Charles | Article in Journal | | 1995 |
| Celtic monasticism | Kenny, Evelyn | Article in Journal | | 1990 |
| Centenary of the death of Edmund Ignatius Rice, founder of the Christian Brothers of Ireland | Rice, Edmund Ignatius, 1762-1844 | Monograph or Collective Volume | Cahill | 1944 |
| Centenary of the Passionists in Ireland, 1856-1956 | Anonymous | Monograph or Collective Volume | [s.n.] | 1956 |
| Centenary souvenir, Ennistymon, 1872-1972 | Sisters of Mercy | Monograph or Collective Volume | Sisters of Mercy | 1972 |
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| Ceramic building material from Beaubec, Co. Meath | Campbell, Kieran | Article in Book | | 2023 |
| Changes in Clara’s ‘big house’ ownership following Irish independence : the case of Inchmore and Drayton Villa | Goodbody, Michael | Article in Journal | | 2020 |
| Changing perceptions : spatial analysis and the study of the Irish tower house | Sherlock, Rory | Article in Journal | | 2010 |
| Chapel Lane of the past | Turley, Vincent | Article in Journal | | 2004 |
| Chapel or church? The case of St Mary's, Pope's Quay, Cork | McParland, Edward | Article in Book | | 2012 |
| Charitable constructions | Kelly, DavidO'Keeffe, Tadhg | Article in Journal | | 2018 |
| Charles J. Haughey : Kinsealy | Kennedy, Tadhg | Monograph or Collective Volume | Atlantic Press | 1986 |
| Charles Robert Cockerell's encounter with Ireland: drawings, observations and buildings | Mulvin, Lynda | Article in Journal | | 2009 |
| Charlesfort : the story of a Meath estate and its people, 1668 to 1968 | Coogan, TonyGaughran, Jack | Monograph or Collective Volume | [s.n.] | 1991 |
| Charley Family Houses In Dunmurry | Charley, Robby | Article in Journal | | 1995 |
| Chartularies of St Mary's abbey, Dublin; with the register of its house at Dunbrody, and annals of Ireland. 2 vols. | | Monograph or Collective Volume | | 1884 |
| Chasing St Aidan’s monastery at Ferns | Dowling, GerLacey, BarryLafaye, Anne-JulieMandal, StephenMcIlreavy, DavidRogers, Michael ‘Bodhi’Shine, Denis | Article in Book | | 2023 |
| Chiese e monastery nella pianificazione urbanistica delle citta medievali nelle Isole Britanniche | Slater, T. R. | Article in Book | | 2004 |
| Children of the Poor Clares : the story of an Irish orphanage | Arnold, MavinLashey, Heather | Monograph or Collective Volume | Appletree Press | 1985 |
| Christ Church cathedral as a blueprint for other Augustinian buildings in Ireland | O'Neill, Michael | Article in Book | | 2009 |
| Christianity and the Latin tradition in early medieval Ireland | Kelly, J. F. T. | Article in Journal | | 1985 |
| Christianity in the parish of Beagh | Diviney, Tony | Article in Journal | | 1995 |
| Church ales | Breen, Thaddeus | Article in Book | | 2010 |
| Church and politics in the seventh century : the Irish exile of King Dagobert II | Picard, Jean-Michel | Article in Book | | 1991 |
| Church and society in Wales 1150-1250 : an Irish perspective | Pryce, Huw | Article in Book | Donald | 1988 |
| Church organisation in Ireland, A.D. 650 to 1000 | Etchingham, Colmán | Monograph or Collective Volume | Laigin Publications | 1999 |
| Church reform and Irish monastic culture in the twelfth century | Harbison, Peter | Article in Journal | | 2001 |
| Church sites in the Lismire area | Linehan, Daniel | Article in Journal | | 1997 |
| Church, chapel and meeting house | Byrne, ArtFrazer, Marilyn | Monograph or Collective Volume | Guildhall | 1992 |
| Cistercian Abbey proposed for Kilmallock | Seoighe, Mainchín | Article in Journal | | 2001 |
| Cistercian art and architecture in the British Isles | | Monograph or Collective Volume | | 1986 |
| Cistercian monastic settlements in the Diocese of Ross | Byrne, Jim | Article in Journal | | 2013 |
| Cistercians and Cistercian abbeys in sixteenth- and seventeenth-century Ireland | Hogan, Flannan, Rev. | Thesis | | 1972 |
| Cistercians in Derry and Donegal 1218-2013 | Canning, Bernard J. | Article in Journal | | 2014 |
| Clachan continuity and distribution in medieval Ireland | Graham, B. J. (Brian J.) | Article in Book | | 1979 |
| Clandeboye | Anonymous | Monograph or Collective Volume | Ulster Architectural Heritage Society | 1985 |
| Clár fichille agus coinín baineann bán : Gaibhniú féiniúlachtaí sa Róimh sa seachtú haois déag | Mac Craith, Mícheál | Article in Book | | 2015 |
| Clare Island : the Abbey and its paintings | Manning, ConlethMorton, Karina | Monograph or Collective Volume | Archaeology Ireland | 2009 |
| Clare memories and the lighthouse service | O'Grady, Jackie | Article in Journal | | 2007 |
| Classic Irish houses of the middle size | Craig, Maurice James | Monograph or Collective Volume | Ashfield Press | 2006 |
| Classicism and civility | Walton, Julian | Article in Journal | | 2004 |
| Clerical and learned lineages of medieval Co. Clare : a survey of the fifteenth-century papal registers | McInerney, Luke | Monograph or Collective Volume | Four Courts | 2014 |
| Clogh Oughter Castle, Co. Cavan, and thirteenth-century circular towers in Ireland | Manning, Conleth | Article in Journal | | 2012 |
| Clohamon castle and Lord Baltimore | Lyttleton, James | Article in Book | | 2016 |
| Clonard : the story of an early Irish monastery, 520-1202 | Hickey, Elizabeth | Monograph or Collective Volume | Elizabeth Hickey | 1998 |
| Clonbalt House | McGee, Tom | Article in Journal | | 2013 |
| Clone Church, Co. Wexford: an archaeological survey | Corlett, Christiaan | Article in Book | | 2023 |
| Clone, Ferns: church, community and continuity | Elliott, Ian, 1936-2015Goodall-Byrne, LaurenLacey, BarryMandal, StephenShine, Denis | Article in Book | | 2023 |
| Cloneen House | Laffan, Moira | Monograph or Collective Volume | Foxrock Local History Club | 1989 |
| Clonmacnois - the church and lands of St. Ciarán : change and continuity in an Irish monastic foundation (6th to 16th century) | Kehnel, Annette | Monograph or Collective Volume | Lit | 1997 |
| Clonmacnoise | Manning, Conleth | Monograph or Collective Volume | The Stationery Office | 1994 |
| Clonmacnoise - when experts meet ..... | Ó Ríordain, Dúlra | Article in Journal | | 1998 |
| Clonmacnoise : a historical summary | Ryan, John | Monograph or Collective Volume | The Stationery Office | 1976 |
| Clonmacnoise : art and patronage in the early medieval period | Ó Floinn, Raghnall | Article in Book | | 1995 |
| Clonmacnoise castle | Manning, ConlethO'Conor, Kieran, | Article in Book | | 2003 |
| Clonmacnoise, Co. Offaly | Manning, Conleth | Monograph or Collective Volume | Dúchas, the Heritage Service | 1998 |
| Clonosey graveyard and friary ruins | McGorry, Jude | Article in Journal | | 1987 |
| Clothing and profession of Friars Minor in Cork, 1814-22 | | Article in Journal | | 1966 |
| Cogitosus's Life of St Brigid : content and value | Connolly, SeánPicard, Jean-Michel | Article in Journal | | 1988 |
| Collation of Eoghan Ó hAogáin to the priory of Ballbeg and the abbey of Maur | Ó Maidín, Pádraig | Article in Journal | | 1968 |
| Collation seats in Irish Cistercian houses : Grey Abbey, Conty Down and Graiguenamanagh, County Kilkenny | Hamlin, Ann | Article in Journal | | 1983 |
| Colleges, Seminaries and Male Religious Houses | Chambers, Liam | Article in Book | Oxford University Press | 2023 |
| Colmán of Cloyne : a study | MacCotter, Paul | Monograph or Collective Volume | Four Courts | 2004 |
| Colonel Lewis Hamilton's Swedish widow and the lost manor house of Derrygonnelly, home of the Dunbars and Montgomerys | Ferguson, Kenneth | Article in Journal | | 2023 |
| Colum Cille and the Columban tradition | Lacey, Brian | Monograph or Collective Volume | Four Courts | 1997 |
| Colum's other island : the Irish at Lindisfarne | Dunleavy, G. W. (Gareth W.). | Monograph or Collective Volume | University of Wisconsin Press | 1960 |
| Columba | Finlay, Ian | Monograph or Collective Volume | | 1991 |
| Columba | Finlay, Ian | Monograph or Collective Volume | Gollancz | 1979 |
| Columba at Clonmacnoise | O'Reilly, Jennifer | Article in Book | | 2015 |
| Columba, Adomnan and the achievement of Iona. 2 pts. | Bullough, D. A. | Article in Journal | | 1965 |
| Columba, founder of the monastery of Derry? - 'Mili manet Incertus' | Lacey, Brian | Article in Journal | | 1998 |
| Columba: the faith of an island soldier | Ritchie, Bruce | Monograph or Collective Volume | Mentor | 2019 |
| Columbanian monastic rules; dissent and experiment | Diem, Albrecht | Article in Book | | 2016 |
| Columbanian monasticism: a contested concept | Wood, Ian | Article in Book | | 2016 |
| Columbanus 'ad locum': The establishment of the monastic foundations | O'Hara, Alexander | Article in Journal | | 2015 |
| Columbanus and Gildas | Winterbottom, Michael | Article in Journal | | 1976 |
| Columbanus and Jonas of Bobbio: new textual witness | O'Hara, Alexander
| Article in Journal | | 2012 |
| Columbanus and the Easter controversy: theological, social and political contexts | Corning, Caitlin | Article in Book | | 2016 |
| Comhcheilg na Mainstreach Móire | Conway, Colmcille | Monograph or Collective Volume | | 1968 |
| Coming clean? remembering the Magdalen laundries | Pine, Emilie | Article in Book | | 2011 |
| Coming to an edge in history : writing the history of women religious and the critique of feminism | Kilroy, Phil | Article in Book | | 2016 |
| Communal solitude : the archaeology of the Carthusian houses of Great Britain and Ireland, 1178-1569 | Breeden, Francesca | Thesis | | |
| Communal solitude : the Carthusian lay brethren in Great Britain and Ireland, 1178-1569 | Breeden, Francesca | Monograph or Collective Volume | BAR Publishing | 2022 |
| Community, commemoration and confraternity: the chapter office and chapter books in Irish Augustinian foundations | Ó Clabaigh, Colmán | Article in Book | | 2019 |
| Concerning the origin of early medieval Irish monasticism | Sheehy, Maurice P. | Article in Journal | | 1962 |
| Conflicting loyalties : the Irish Franciscans and the English Crown in the High Middle Ages | Müller, Anne | Article in Journal | | 2007 |
| Conquestus and adquisicio : some early Cork charters relating to St Thomas' Abbey, Dublin | Flanagan, Marie Therese | Article in Book | | 2015 |
| Conservation and restoration of the north arcade wall | McCarthy, Mary-Liz ; Clancy, Kevin ; Walsh, Denis | Article in Book | | 2022 |
| Continental catechisms and their Irish imitators in Spanish Habsburg lands, c. 1550-c. 1650 | Ryan, Salvador | Article in Book | | 2013 |
| Continental stuccowork and English rococo carving at Russborough | McDonnell, Joseph | Article in Journal | | 2011 |
| Continuity and change within the Toronto convent academies of the Sisters of St Joseph and the Loretto Sisters, 1847-1950 | Smyth, Elizabeth M. (Elizabeth Marian) | Article in Book | | 2016 |
| Continuity, legitmacy and strategy : the titular priors of Ireland - Romegas, González, Wyse and Brochero - and their relations with the Spanish monarchy, 1576-1625 | Downey, Declan M. | Article in Book | | 2015 |
| Contrasting fortunes of two Fingal 'Big Houses', Kenure House and Ardgillan Castle in modern times | Whearity, Peter F. | Article in Journal | | 2008 |
| Contributions to the study of the tangible material culture of the Gaoltacht | Muhlhausen, Ludwig | Article in Journal | | 1934 |
| Convent of Mercy, 1861-2011, Longford [an illustrated history] | | Monograph or Collective Volume | St Joseph's Convent of Mercy | 2011 |
| Convent schools | C., K. | Article in Journal | | 1996 |
| Convent schools and national education in nineteenth-century Ireland, negotiating a place within a non-denominational system | Nowlan-Roebuck, CatherineRaftery, Deirdre | Article in Journal | | 2007 |
| Convents and Women Religious | Moutray, Tonya J. | Article in Book | Oxford University Press | 2023 |
| Coole Park | Malins, Edward | Article in Journal | | 1970 |
| Coonamble, 'at the end of the world'? Call, response and early days of the Brigidine mission to Australia | Power, Ann | Article in Journal | | 2010 |
| Coppinger's Court, Ballyvireen, Rosscarbery | O'Callaghan, Fachtna | Article in Journal | | 2007 |
| Corbalton Hall former Cookstown House in the townland of Cookstown, parish of Skyrne, Co. Meath | Von Schmieder, Vicky | Article in Journal | | 1991 |
| Corcomroe abbey : some observations on its architectural history | Stalley, Roger | Article in Journal | | 1977 |
| Cork and Europe : the medieval connection | Ó Riain-Raedel, Dagmar | Article in Journal | | 2005 |
| Cork Franciscan Records, 1749-1831 | O'Connell, W. D. | Monograph or Collective Volume | University P. | 1942 |
| Corke Abbey : aspects of its history | Mahony, Nancy | Article in Journal | | 1986 |
| Corofin House - a history | Mangan, John P. | Article in Journal | | 2008 |
| Corran House | Tobin, John | Article in Journal | | 2013 |
| Corravahan House, Co. Cavan | Elliott, Ian, 1936-2015 | Article in Journal | | 2014 |
| Correspondence from Jean-Baptiste Devenet and Claude Prost, book merchants of Lyon, to Fr Luke Wadding OFM, 1647-1654 | Hazard, Benjamin | Article in Journal | | 2011 |
| Country House collections : their lives and afterlives | | Monograph or Collective Volume | Four Courts Press | 2021 |
| Country house life in Meath 1810-17 | Chaloner, Desmond | Article in Journal | | 1987 |
| Country Houses and the distinctiveness of the Irish Imperial experience | Barczewski, Stephanie | Article in Book | | 2017 |
| Country houses of County Laois | Griffin, David J. | Article in Book | | 1999 |
| Court Abbey, A Franciscan Third Order Regular Friary, Lavasgh, Co. Sligo | Conroy, Elaine | Article in Journal | | 2021 |
| Craggaunowen Castle | Breen, MartinUa Cróinín, Risteárd | Article in Journal | | 2015 |
| Craggaunowen project, Quin, Co. Clare | Burke, Jim | Article in Journal | | 1977 |
| Creagh houses of Doneraile (part 1) | Humphreys, JulianO'Sullivan, MichaelSmith, Michael | Article in Journal | | 2013 |
| Creating a great garden | Davies, K. M. (Kathleen Mary) | Article in Journal | | 2000 |
| Creating a noble past: the design of Glenstal Castle, 1836-61 | McGarry, Marion | Article in Journal | | 2010 |
| Croneybyrne House | Murphy, Laurence | Article in Journal | | 1993 |
| Cúis dlí idir ab agus rí | NA | Article in Journal | | 1961 |
| Cummianus Longus and the iconography of Christ and the apostles in early Irish literature | Ó Cróinín, Dáibhí | Article in Book | | 1989 |
| Dancing Days in Dun Laoghaire - 1940's, 1950's and 1960's | Scudds, Anna | Article in Journal | | 2022 |
| Dancing Days in Tullamore since the 1960s: From the marquee to the nightclub | Byrne, Michael | Article in Book | Offaly Historical and Archaeological Society (Offaly History) | 2024 |
| Daniel O'Daly of Kilsarkan: 1595-1662 | Mac Curtain, Margaret | Article in Journal | | 2010 |
| Dante the Franciscan | Brophy, Liam | Article in Journal | | 1965 |
| Das Irenkloster Honau und seine Regel | Eberl, Immo | Article in Book | | 1982 |
| Das Irische Evangeliar von St.Gallen und seine Familie|The Irish Gospels of St Gall and its family | Dora, Cornel | Article in Book | | 2018 |
| Das Irische Mönchtum | Kengel, Rainer | Article in Book | | 1952 |
| Das Kloster Iona und seine Verbindungen mit dem Kontinent im siebenten und achten Jahrhundert | Moisl, Hermann | Article in Book | | 1985 |
| Das Kloster von St Jakob bis 1515 | Acht, Stephan | Article in Book | | 2005 |
| Das Missionsvolk der Iren | Dillon, Myles | Article in Journal | | 1955 |
| Das säkularisierte Schottenkloster als Heimstätte des Regensberger Priesterseminars seit 1872 | Hausberger, Kark | Article in Book | | 2005 |
| Date, chronology and evolution of the county Wexford tower house | Jordan, A. J. | Article in Journal | | 1990 |
| Dating Irish castles | Sweetman, P. D. | Article in Journal | | 1992 |
| Daughters of St Columban (ancient and modern) | Concannon, Helena | Article in Book | | 1951 |
| David MacCarwell and the proposal to purchase English law, c.1273-c.1280 | Phillips, J.R.S. (John Roland Seymour) | Article in Journal | | 1996 |
| De Bello Becco : a French foundation in the Boyne Valley | Stout, Geraldine | Article in Journal | | 2018 |
| De Colomban aux Gueux : épisodes | Trachsel, Emile | Monograph or Collective Volume | Impr. des Sciences | 1949 |
| De initiis : Irish monastic learning, 600-800 AD. | McNamara, Martin | Article in Journal | | 2013 |
| De Monasterio Desolato : patronage and politics in a frontier Irish convent | Seale, Yvonne | Article in Journal | | 2015 |
| Declaration of Emperor Joseph II on the Irish and English Franciscans and Dominicans in the Low Countries, 1782 | Conlan, Patrick, 1940- | Article in Journal | | 1993 |
| Decline and attempted reform of the Irish Cistercians, 1445-1531 | Conway, Colmcille | Article in Journal | | 1957 |
| Decorating the Lavabo : late Romanesque sculpture from Mellifont Abbey | Stalley, Roger | Article in Journal | | 1996 |
| Decorative plasterwork in Ireland | Guinness, Desmond | Article in Journal | | 1966 |
| Deepwell | Anonymous | Article in Journal | | 2005 |
| Deer and its abbots in the late Middle Ages | Dilworth, Mark | Article in Book | | 2008 |
| Defending the cause : Parnell and the drink interest | Waldron, Fionnuala | Article in Book | | 2013 |
| Defending the sacred : from Crac de Chevalier to Aghavillier - a common thread | Doran, Linda | Article in Journal | | 2007 |
| Defining femininity : women and the country house | Arnold, Dana | Article in Book | | 1998 |
| Demesnes | Reeves-Smyth, Terence | Article in Book | | 2011 |
| Demesnes | Reeves-Smyth, Terence | Article in Book | | 1997 |
| Demolition of the church of St Mary on the Hill : 1651 : agreement between the mayor of Galway and Prior Pierce Butler | Anonymous | Article in Book | | 1991 |
| Denvirs. A brief historical account | Oram, Dick | Article in Journal | | 1999 |
| Der irische Beitrag zur Pflege der Sieben Freien Künste|The Irish contribution to cultivating the severn liberal arts | Lenz, Philipp | Article in Book | | 2018 |
| Der Kult des heiligen Kolumban im Elsass | Barth, Medard | Article in Book | | 1951 |
| Derrymore House , Co. Armagh | Barcroft, M. | Article in Journal | | 1938 |
| Derrynane House, 'Mecca of the lovers of liberty' | McGuane, Eilise | Article in Journal | | 2010 |
| Derrynavlan : the historical context | Byrne, Francis John, 1934- | Article in Journal | | 1981 |
| Design and plan in the country house | Gomme, AndorMaguire, Alison | Monograph or Collective Volume | University P. | 2008 |
| Designing Donnybrook : conceiving Ireland's 'architecture of containment' | Hamill, Chris | Article in Book | | 2023 |
| Developing an agenda for the history of women religious in Ireland: historiography and potentiality | Raftery, Deirdre
| Article in Journal | | 2022 |
| Die Anfänge der Reichenau | Mayer, Theodor | Article in Journal | | 1953 |
| Die Baugeschichte der Regensburger Schottenkirche St. Jakob und ihres Kreuzgangs | Stocker, Mona | Article in Book | | 2005 |
| Die Benediktinerabtei, Fort Augustus | Cradock, CarolineNicholl, Andrew R. | Article in Book | | 2005 |
| Die Benediktinerklöster in Bayern. Bayerische Heimatforschung. Im Auftrag des Generaldirektors der staatl. | Hemmerle, Josef | Monograph or Collective Volume | Bayerische Heimatforschung | 1951 |
| Die Beneiktiner-Abtei Amorbach | Kengel, Rainer | Article in Book | | 1952 |
| Die Beziehungen zwischen Irland und St. Gallen in Rahmen der St. Gallischen Stiftsgeschichte | Duft, Johannes | Article in Book | | 1953 |
| Die Gallusstiftung als Ausgangspunkt der st. gallishcen Kultur | Meile, Josephus | Article in Book | | 1952 |
| Die irischen Benediktiner 'Schottenklöster' in Deutschland und ihr institutioneller Zusammenschluss vom 12. bis 16. Jahrhundert | Hammermayer, Ludwig | Article in Journal | | 1976 |
| Die Irischen handschriften der stiftsbibliothek St. Gallen | Duft, Johannes | Article in Book | | 1953 |
| Die Irischen Miniaturen der stiftsbiblioghek St. Gallen | Meyer, Peter | Article in Book | | 1953 |
| Die Jubiläumsausstellung 'Franconia Sacra' | Reuther, Hans | Article in Book | | 1952 |
| Die kultur der Irischen Heldensage | Weisweiler, Josef | Article in Journal | | 1950 |
| Die Regensburger Schottenlegende, Libellus de fundacione ecclesie Consecrati Petri : Untersuchung und Textausgabe | Breatnach, Pádraig A. | Monograph or Collective Volume | | 1978 |
| Die Rolle der Iren beim Aufbau der merowingischen Klosterkultur | Prinz, Friedrich | Article in Book | | 1982 |
| Die schottischen Benediktiner zu St Jakob in Regensburg (1515-1862) | Hammermayer, Ludwig | Article in Book | | 2005 |
| Die Spuren der Irishcen mission in der Entwicklung der deutschen Sprache | Weisgerber, Leo | Article in Journal | | 1952 |
| Die Stiftsbiblioghek in St Paul | Trende, Adolf | Article in Journal | | 1952 |
| Die Verehrung des heiligen Columban in der Schweiz | Jecker, Gall | Article in Journal | | 1952 |
| Digging deep turns up a feat of medieval engineering | Read, Andrew | Article in Journal | | 2005 |
| Diocese of Killaloe. Vol. 3 : 1851-1904 | Murphy, Ignatius | Monograph or Collective Volume | Four Courts | 1995 |
| Disappearing towers | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 1990 |
| Discalced Carmelites in Ireland | O'Mahoney, S. C. | Article in Journal | | 1975 |
| Discovering migration in the seventeenth century : Propaganda Fide, the Holy Office, and foreigners | Sanfilippo, Matteo | Article in Book | NA | 2020 |
| Discussion and conclusions | Stout, Geraldine | Article in Book | | 2022 |
| Distant Islands : the topography of holiness in the Nauigatio Sancti Brendani | O'Loughlin, Thomas | Article in Book | | 1999 |
| Distribution, function and architecture | Mac Aodha, Breandán | Article in Book | | 1991 |
| Ditches at Jigginstown house | Manning, Conleth | Article in Journal | | 1987 |
| Divided loyalties in religious orders : structures and patterns in Cistercian Wales and Ireland | Mueller, Anne | Article in Book | | 2015 |
| Do penance or perish? A study of the Magdalen asylums in Ireland | Finnegan, Frances | Monograph or Collective Volume | Congrave | 2001 |
| Documents on the Irish Trinitarians, 1621-71 | Giblin, Cathaldus | Article in Journal | | 1985 |
| Documents relating to the suppression of the Templars in Ireland | | Article in Journal | | 1967 |
| Documents relating to Wexford friary and parish, 1733-98 | Ó Súilleabháin, Pádraig | Article in Journal | | 1965 |
| Doggerel from dusty documents | Egan, Bartholomew, OFM | Article in Journal | | 1952 |
| Dollymount House: an 18th century hunting lodge in South Co. Dublin | Ennis, Ron | Article in Journal | | 2016 |
| Dom Eugene Boylan: Trappist monk, scientist and writer | Morrissey, Thomas J. | Monograph or Collective Volume | Messenger Publications | 2019 |
| Dom Vincent of Mount Melleray | Walsh, Kilian J. | Monograph or Collective Volume | Gill | 1962 |
| Dominican houses and personnel in the 'Irish Catholic Directory' 1836-1874 | | Monograph or Collective Volume | Saint Mary's Priory | 2004 |
| Dominican nuns of Meath, 1671-1713 | Fenning, Hugh | Article in Journal | | 1964 |
| Dominican pilgrimage | Mould, Daphne D. C. Pochin | Article in Journal | | 1956 |
| Dominican priories in Roscommon | Valkenburg, Augustine | Article in Journal | | 1986 |
| Dominican women : a time to speak | Boner, Kathleen | Monograph or Collective Volume | Cluster Publications | 2000 |
| Dominicans in Clonmines | De Vál, Seamus S. | Article in Journal | | 1972 |
| Dominicans in Cork city : a history | Doherty, Gillian | Monograph or Collective Volume | Carrigtwohill | 2024 |
| Dominicans in Ireland, 1841-1845 | Fenning, Hugh | Article in Journal | | 1991 |
| Dominicans in Ireland, 1850-1863 | Fenning, Hugh | Article in Journal | | 2005 |
| Dominicans of Athenry : a chronology, 1241-1991 | Anonymous | Article in Book | | 1991 |
| Dominicans of Derry | Fenning, Hugh | Article in Journal | | 1978 |
| Dominicans of Trim, 1683-1710 | Fenning, Hugh | Article in Journal | | 1961 |
| Don Jaime Nochera | Mooney, Canice | Article in Journal | | 1950 |
| Don Tarmchrutta - An 11th-century homily on the Transfiguration | Mac Donncha, F. | Article in Journal | | 1983 |
| Donamon Castle. Some aspects of its chequered history | Kenny, Maureen | Article in Journal | | 1994 |
| Donatus Mooney's De Provincia Hiberniae (c. 1617) : Ireland, the Franciscan Island | McCafferty, John | Article in Book | | 2013 |
| Donegal abbey : the buildings | Leask, H. G. (Harold G.) | Article in Book | | 1952 |
| Donegal castle | McNeill, T. E.Wilkin, M. A. | Article in Journal | | 1999 |
| Downdaniel Tower House, Skevanish, Innishannon. Its occupation, use and place in our history | Duggan, Vincent | Article in Journal | | 2025 |
| Downdaniel Tower House, Skevanish, Innishannon. Its occupation, use and place in our history | Desmond, John | Article in Journal | | 2025 |
| Downey's Strike 1939-1953 | Brennan, Robbie | Article in Journal | | 2019 |
| Downey's strike 1939-1953 | Brennan, Robert | Article in Journal | | 2000 |
| Dr. Jeremiah Hall and his charities | Wilson, Edith | Article in Journal | | 1956 |
| Drink in the Waterford area to 1840 | Cowman, Des | Article in Journal | | 1983 |
| Drinking the Brown Trout dry | Wake, Clive | Article in Journal | | 1996 |
| Dromana, County Waterford. Described by Thomas Carlyle as 'a huge grey pile'. Dromana today resembles its modest 17th-century form. ...the history of this house and the prominence of its formidable female line | O'Byrne, Robert | Article in Journal | | 2015 |
| Drumbanagher House and Garden | Reid, Myles | Article in Journal | | 2009 |
| Dublin 1160-1200. Part One: Political change and continuity | French, Noel E. | Article in Journal | | 2015 |
| Dublin haunts and homes of Arthur Griffith - and the admirers who bought him a house | Kenny, Colum | Article in Journal | | 2022 |
| Dublin pub life and lore : an oral history | Kearns, Kevin C. | Monograph or Collective Volume | Gill & Macmillan | 1996 |
| Dublin tavern and advertisement tokens | Went, A. E. J. | Article in Journal | | 1967 |
| Dublin's coffee houses of the eighteenth century | Kennedy, Máire | Article in Journal | | 2010 |
| Duiske abbey, Graignamanagh : abbey triumphant | Hughes, E. W. | Article in Journal | | 1977 |
| Dún Mhuire, Killiney, 1945-95 : léann agus seanchas | | Monograph or Collective Volume | Lilliput | 1995 |
| Dunbrody through the ages | Walsh, Thomas P. | Article in Journal | | 1976 |
| Dungiven priory | Davies, Oliver | Article in Journal | | 1939 |
| Dungiven Priory and the Ó Catháin family | Hamlin, Ann | Article in Book | | 2002 |
| Dunleckney post-Bagenals. 1802-2015 | Kavanagh, Myles | Article in Journal | | 2016 |
| Dunmore house | Clohosey, T. J. | Article in Journal | | 1954 |
| Durrow : monasterium nobile | Harbison, Peter | Article in Journal | | 2005 |
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| Durrow review : a jubilee review to celebrate the Presentation Sisters' 50 years at Castledurrow in Laois | Anonymous | Monograph or Collective Volume | Presentation Sisters | 1981 |
| Early Christian antiquities at Clonmore, county Carlow | Harbison, Peter | Article in Journal | | 1991 |
| Early Christian foundations of Imolilly | MacCarthy, C. J. F. | Article in Journal | | 1945 |
| Early Christian Ireland | De Paor, LiamDe Paor, Máire | Monograph or Collective Volume | Thames & Hudson | 1958 |
| Early Christian Ireland : introduction to the sources | Hughes, Kathleen Winifred | Monograph or Collective Volume | Hodder and Stoughton | 1972 |
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| Early ecclesiastical settlement names of county Galway | Mac Giolla Easpaig, Dónall | Article in Book | | 1996 |
| Early ecclesiastical site at Farburren, parish of Oughaval, Co. Mayo | Joyce, Brónach | Article in Journal | | 1999 |
| Early Irish foundations of St. Patrick, St. Brigid, and St. Columchille | Ronan, Myles V. (Myles Vincent) | Article in Journal | | 1937 |
| Early Irish lyrics | | Monograph or Collective Volume | Clarendon Press | 1956 |
| Early Irish monasteries | Manning, Conleth | Monograph or Collective Volume | Country House | 1995 |
| Early Irish monasteries, boat-shaped oratories, and beehive huts | Henry, F. | Article in Journal | | 1949 |
| Early Irish monastic arts and the architecture of the Benedictines in Ireland | Harbison, Peter | Article in Book | | 2005 |
| Early Irish monasticism | Curran, Michael, MSC | Article in Book | | 1981 |
| Early Irish monasticism : an understanding of its cultural roots | Thom, Catherine | Monograph or Collective Volume | T & T Clark | 2007 |
| Early Irish-German associations | Ryan, John | Article in Journal | | 1969 |
| Early Lighthouses | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2014 |
| Early medieval secular and ecclesiastical settlement in Munster | Monk, Michael A. | Article in Book | | 1998 |
| Early Methodism in Limerick | Bradshaw, D. B. (David Bigham) | Article in Journal | | 1908 |
| Eaten bread | McGillicuddy, Con | Monograph or Collective Volume | Choice Publishing | 2007 |
| Ecclesiastical foundations in the Ashford district | Byrne, Eileen | Article in Journal | | 1991 |
| Ecclesiastical history | Jordan, Kieran | Article in Book | | 2000 |
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| Economic change in early medieval Ireland : the case for growth | Davies, Wendy | Article in Book | | 2010 |
| Edmund Rice : the man and his times | Rushe, Desmond | Monograph or Collective Volume | Gill & Macmillan | 1981 |
| Edmund Rice and the Presentation Brothers | Feheney, J. M. | Article in Book | | 1996 |
| Educating the poor : the Presentation Sisters and education in Limerick, 1837-1870 | Coonerty, Paula | Article in Journal | | 1991 |
| Education in ancient and medieval Ireland | McGrath, Fergal | Monograph or Collective Volume | Studies, Special Publication | 1979 |
| Edward Martyn and guests at Tulira | Nolan, J. C. M. | Article in Journal | | 1994 |
| Eglish monastery - Ahascragh parish - Co. Galway | Connellan, M. J. | Article in Journal | | 1943 |
| Eighth Report of the Royal Commission on Historical Manuscripts. 3 pts. [C. 3040; C. 3040-i; C. 3040-ii] | Royal Commission on Historical Manuscripts | Monograph or Collective Volume | | 1882 |
| Ein Baurechnung aus dem 18. Jahrhundert zum Seminar für die Schottenmission in St. Jakob in Regensburg | Gerl, Josef | Article in Book | | 2005 |
| Eine Iroschottische missionsstation in Fulda | Lübeck, Konrad | Article in Journal | | 1950 |
| Elizabeth Bowen, Bowen's Court and imagining the Irish gentry | d'Alton, Ian | Article in Journal | | 2023 |
| Emo Court : James Gandon's classical showpiece in Laois | Office of Public Works | Monograph or Collective Volume | Office of Public Works | 2016 |
| Emo Court : portrait of a survival | Hill, Judith | Article in Journal | | 2004 |
| Emotional Communities and Religious Identity in Early Medieval Ireland | Millin, Nathan C. | Article in Journal | | 2019 |
| Encyclopedia Americana, 15 | Anonymous | Monograph or Collective Volume | Americana Corporation | 1937 |
| England and her neighbours, 1066-1453 : essays in honour of Pierre Chaplais | | Monograph or Collective Volume | Hambledon | 1989 |
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| English Monks and Irish Reform in the Eleventh and Twelfth centuries | Bethell, Denis L. T. | Article in Book | | 1971 |
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| Ennis Franciscan friary | Kearns, Mary | Article in Journal | | 1999 |
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| Episcopal authority versus canonical autonomy of religious orders | Donovan, Finbarr | Article in Journal | | 2001 |
| Erenaghs in pre-plantation Ulster : an early seventeenth-century account | Jefferies, Henry A. | Article in Journal | | 1999 |
| European art and the Irish High Crosses | Stalley, Roger | Article in Journal | | 1990 |
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| European religious orders in 12th century Ireland | Daly, P. H. | Article in Journal | | 1974 |
| Evidence for contacts between the churches of the Irish and English from the Synod of Whitby to the Viking age | Hughes, Kathleen Winifred | Article in Book | | 1971 |
| Evidence for the use of timber in medieval Irish tower houses : a regional study in Lecale and Tipperary | McKenna, Marie Esther | Article in Journal | | 1984 |
| Excavation and conjecture of a late bronze age farmstead at Tober, County Offaly | Walsh, Fintan | Article in Journal | | 2013 |
| Excavation in the Franciscan friary church, Armagh | Lynn, C. J. | Article in Journal | | 1975 |
| Excavation in the time of Coronavirus | Stout, GeraldineStout, Matthew | Article in Journal | | 2020 |
| Excavation of a medieval house in the grounds of Howth House, County Dublin | Hayden, Alan R. | Article in Book | | 2006 |
| Excavation of the gatehouse and cloistral walks | Lynch, Ann | Article in Book | | 2022 |
| Excavation of the remains of an early thirteenth-century house at the Thomas Moore tavern, Cornmarket, Wexford | McLoughlin, CatherineStafford, Emmet | Article in Book | | 2016 |
| Excavations at Aghaloo Church, Rousky, County Tyrone | Carver, NaomiMurray, Emily | Article in Journal | | 2007 |
| Excavations at Beaubec, Bey More, Co. Meath (2019-20): a priliminary report | Stout, GeraldineStout, Matthew | Article in Journal | | 2021 |
| Excavations at Cahergal, Co. Kerry: a venue for Royal Ceremony in Early Medieval Corca Duibne | Manning, Conleth | Article in Journal | | 2016 |
| Excavations at Cahir Abbey | Pollock, David | Article in Journal | | 1996 |
| Excavations at Church Road and the early monastic foundation at Lusk, Co. Dublin | O'Connell, Aidan | Article in Book | | 2009 |
| Excavations at Clonmacnoise | King, Heather | Article in Journal | | 1992 |
| Excavations at Clontuskert priory, Co. Galway | Fanning, Thomas | Article in Journal | | 1976 |
| Excavations at Kells priory, County Kilkenny | Fanning, Thomas | Article in Journal | | 1973 |
| Excavations at Malachy's Wall, Bangor Abbey, County Down | McHugh, Ronan | Article in Journal | | 2004 |
| Excavations at Mellifont abbey, Co. Louth | De Paor, Liam | Article in Journal | | 1969 |
| Excavations at Red Abbey, Cork, 1992 and 2000 | Sheehan, Cathy | Article in Journal | | 2004 |
| Excavations at Rosshill abbey, Co. Galway | Clyne, Miriam | Article in Journal | | 1992 |
| Excavations at St Mary's abbey, Dublin : the archaeology of Ireland's premier Cistercian house | O'Donovan, Edmond | Article in Book | NA | 2025 |
| Excavations at St Saviour’s Dominican priory, Limerick, part II | Twohig, Elizabeth Shee | Article in Journal | | 1996 |
| Excavations at St. Saviour's Dominican Priory, Limerick. Part I | Twohig, Elizabeth Shee | Article in Journal | | 1995 |
| Excavations at the Dominican Priory, St Mary's of the Isle, Crosse's Green, Cork | Cleary, Rose M.Hurley, Maurice F.Sheehan, Cathy | Monograph or Collective Volume | Cork Corporation | 1995 |
| Excavations at the Dominican Priory, St Mary's of the Isle, Crosse's Green, Cork | | Monograph or Collective Volume | Cork Corporation | 1995 |
| Excavations in Carrickfergus, Co. Antrim, 1972-79, A Summary Report on the Excavations Directed by the late T.G. Delaney | Dickson, A.Simpson, M. L. | Article in Journal | | 1981 |
| Excavations in the vicinity of St. Jarlath's Church, Clonfeacle, County Tyrone | Bell, JanetMacDonald, PhilipMcHugh, Ronan | Article in Journal | | 2004 |
| Excavations within the north aisle | Quinn, Annette | Article in Book | NA | 2022 |
| Excavations within the south range and abbey church | Rooney, Fiona | Article in Book | | 2022 |
| Exchange and trade in early medieval Ireland | Doherty, Charles | Article in Journal | | 1981 |
| Exile Movement: Male Institutions, 1568-1640 | O'Connor, Thomas | Article in Book | | 2023 |
| Exiles in the wilderness : the pioneer Irish nuns of St John of God, Beagle Bay and Broome, Western Australia, 1907-1940s | Jacobs, Pat | Article in Journal | | 2001 |
| Exploring Thomond Manor Boundaries, III | O'Mahony, Christopher | Article in Journal | | 2005 |
| Extents of Irish monastic possessions, 1540-1541, from manuscripts in the Public Record Office, London | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1943 |
| Fabian Ryan, O.P., postulated as bishop by clergy and laity of Cashel and of Emly 1652 | | Article in Journal | | 1988 |
| Faith and patronage : the political career of Flaithrí Ó Maolchonaire, c.1560-1629 | Hazard, Benjamin | Monograph or Collective Volume | Irish Academic Press | 2009 |
| Family's four nuns and a priest | Murphy, Hilary | Article in Journal | | 2008 |
| Farney, Carrickmacross and the Patrician Brothers | Nolan, Cuthbert | Monograph or Collective Volume | Patrician Brothers | 1996 |
| Farrangarret complex, Ardmore | Mulcahy, Michael | Article in Journal | | 1989 |
| Fasti of Saint John's Priory, Ardee | Mac Íomhair, Diarmuid | Article in Journal | | 1973 |
| Fasti of St. John's priory, Ardee | Mac Íomhair, Diarmuid | Article in Journal | | 1973 |
| Fastnet Rock : an Charraig Aonair | Lankford, Éamon | Monograph or Collective Volume | Cape Clear Museum | 2004 |
| Father Anthony Cogan | Brady, John, d.1963 | Article in Journal | | 1952 |
| Father Donagh Mooney, O. F. M. : the Franciscan convent of Donegal | O'Donnell, Terence | Article in Book | | 1959 |
| Father Francis Magruairk, O.F.M. | Mooney, Canice | Article in Journal | | 1957 |
| Father Mathew's statue : the making of a monument in Cork | Inglis, Kenneth Stanley | Article in Book | | 1986 |
| Faughart House | Johnston, Don | Article in Journal | | 2021 |
| Faunal remains from Beaubec, Co. Meath | Beglane, Fiona | Article in Book | | 2023 |
| Favourers, intercessors and patrons : why the Irish saints mattered so much to the Irish Franciscans | McCafferty, John | Article in Book | | 2015 |
| Feeding communities : monasteries and urban development in early medieval Ireland | Soderberg, John | Article in Book | | 2001 |
| Female trouble : ambivalences and anxiety at the Nuns' church | Overbey, Karen Eileen | Article in Book | | 2008 |
| Fenagh in 1516 : the social and religious context for the Book of Fenagh | Kelly, LiamScott, Brendan | Article in Book | | 2016 |
| Fernhill House and Gardens | Van Turnhout, Michael | Article in Journal | | 2021 |
| Field Marshal Viscount Gough (1779-1869) | Igoe, Vivien | Article in Journal | | 2018 |
| Fifty seven years behind bars | Gaffney, Frank | Monograph or Collective Volume | The author | 1995 |
| Fifty years at work | Hardebeck, Carl Gilbert | Article in Journal | | 1943 |
| Finding the city of God in the lives of St Kevin : Glendalough and the history of the Irish celestial civitas | Maddox, Melanie C. | Article in Book | | 2011 |
| Fine metalworking and early Irish monasteries : the archaeological evidence | Ryan, Michael | Article in Book | | 1988 |
| Finghin Mac Carthaigh, king of Desmond, and the mystery of the second nunnery at Clonmacnoise | Manning, Conleth | Article in Book | | 2004 |
| Fionán, founder-patron of Skellig Michael? | Ó Riain, Pádraig | Article in Book | | 2022 |
| First report of the royal commission on liquor licensing laws [Chairman : Viscount Peel], plus : Second Report; Third report; Fourth report; Fifth report; Final report; Evidence, appendixes, etc. General vols. (4 vols.); Special evidence etc. Clubs; Statistics; Scotland; Ireland; Précis of evidence and data; and Index | Anonymous | Monograph or Collective Volume | | 1899 |
| Fit for an Archbishop | Wilson, Primrose | Article in Journal | | 2008 |
| Florentia monasteriorum | O'Brien, Caimin | Article in Journal | | 2009 |
| Food security and insecurity in medieval Irish towns | Galloway, James A. ; Murphy, Margaret | Article in Journal | | 2023 |
| For God's sake : the hidden lives of Irish nuns | Metcalfe, Camillus | Monograph or Collective Volume | Liffey Press | 2014 |
| For the safety of all : images and inspections of Irish lighthouses | | Monograph or Collective Volume | National Library of Ireland in association with the Commissioners of Irish Lights | 2003 |
| For the triumph of the patriot arms : the Christian Brothers, Our Boys and militant nationalism in Irish popular culture, 1914-1922 | Flanagan, Michael | Monograph or Collective Volume | Nova Southeastern University | 2001 |
| Fore and its ancient buildings | Sharkey, Olive | Monograph or Collective Volume | Magpie Publications | 2004 |
| Fore, Co. Westmeath : national monuments in the charge of the Commissioners of Public Works : St Fechin's church, the town gateways, and the Benedictine priory | Leask, H. G. (Harold G.) | Monograph or Collective Volume | Stationery Office | 1938 |
| Forest and fields : a study of "monastic towns" in seventh and eighth century Ireland | Swift, Catherine | Article in Journal | | 1998 |
| Forged in the fire of persecution : Edmund Rice (1762–1844) and the Counter-reformationary character of the Irish Christian Brothers | Keogh, Dáire | Article in Book | | 2016 |
| Formed by word and example : the training of novices in fourteenth-century Dublin | Ó Clabaigh, Colmán | Article in Book | | 2018 |
| Fortified houses of the sixteenth century in south Wexford | O'Callaghan, John | Article in Journal | | 1980 |
| Forts and fields : a study of 'monastic towns' in seventh and eighth century Ireland | Swift, Catherine | Article in Journal | | 1998 |
| Forward march : a short history of the Church of Ireland in Ballyholme | Mercer, John J. G. | Monograph or Collective Volume | [The author] | c. 1960 |
| Fota's interior landscape | Laffan, William | Article in Journal | | 2008 |
| Foundation of St. Mary's Abbey, Dublin | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Article in Journal | | 1926 |
| Foundation of the convent of the Sacred Heart, Schull | Gabrielle, Sr. | Article in Journal | | 2002 |
| Foundation stone of Eskylane meeting-house (1760?) laid in 1842 | Dunlop, Eull | Article in Journal | | 1992 |
| Foundation story of the Presentation Sisters, Attenry | Anonymous | Article in Journal | | 1999 |
| Four hundred years of Franciscan silver | Kenny, Michael | Article in Journal | | 2007 |
| Four Offaly saints: the lives of Ciarán of Clonmacnoise, Ciarán of Seir, Colmán of Lynally and Fionán of Kinnitty | Ó Riain, Pádraig | Monograph or Collective Volume | Four Courts | 2018 |
| Four Tipperary saints : the lives of Colum of Terryglass, Crónán of Roscrea, Mochaomhóg of Leigh and Ruadhán of Lorrha | Ó Riain, Pádraig | Monograph or Collective Volume | Four Courts | 2014 |
| Fourteenth-century life in a Dublin monastery | Mac Giolla Phádraig, Brian | Article in Book | | 1990 |
| Fr Benignus Millett, OFM, 1922-2006 | Anonymous | Article in Journal | | 2006 |
| Fr James Augustine Anderson, 1838-1903 | O'Donovan, Iggy | Article in Book | | 2023 |
| Fr Paul Browne, O.D.C., 1598-1671 | Mansfield, Brocard | Article in Journal | | 1984 |
| Francis Warde, foundress of the American Sisters of Mercy | Burns, Alexander | Article in Journal | | 1983 |
| Franciscan Abbey of Multyfarnham | O'Donnell, Terence | Monograph or Collective Volume | The abbey | 1951 |
| Franciscan architecture in pre-reformation Ireland | Mooney, Canice | Article in Journal | | 1957 |
| Franciscan chalices, 1600-50 | Krasnodebska-D'Aughton, Malgorzata | Article in Book | | 2009 |
| Franciscan connections with the Diocese of Clonmacnois | Conlan, Patrick, 1940- | Article in Journal | | 2006 |
| Franciscan Donegal | O'Donnell, Terence | Article in Journal | | 1957 |
| Franciscan Donegal : a souvenir of the dedication of the Franciscan church, Ros Nuala, to the Immaculate Heart of Mary, on Sunday, 29th June, 1952 | NA | Monograph or Collective Volume | Franciscan Friary, Ros Nuala | 1952 |
| Franciscan echoes in a prominent early 17th-century Irish travel narrative : a 'Flight of the Earls' miscellany | Mac Craith, Mícheál | Article in Journal | | 2009 |
| Franciscan faith : sacred art in Ireland 1600 - 1750 | | Monograph or Collective Volume | Wordwell | 2011 |
| Franciscan foundation at Drogheda : points of historical interest | O'Neill, Augustine | Article in Journal | | 1944 |
| Franciscan friaries in pre-reformation Kerry | Walsh, Katherine | Article in Journal | | 1976 |
| Franciscan friary at Clane | McCabe, Brian | Article in Journal | | 2003 |
| Franciscan guardians in Co. Kildare 1629-1872 | Fennessy, Ignatius | Article in Journal | | 1994 |
| Franciscan houses of County Clare, 1616 | Mooney, Donagh | Article in Book | | 1998 |
| Franciscan Ireland : the story of seven hundred and fifty years of the friars minor in Ireland with notes on all the major sites associated with the friars and a brief description of the other members of the Franciscan family in Ireland | Conlan, Patrick, 1940- | Monograph or Collective Volume | | 1978 |
| Franciscan Limerick | Egan, Bartholomew, OFM | Article in Journal | | 1946 |
| Franciscan reorganization in Munster during the early seventeenth century | O'Connell, W. D. | Article in Journal | | 1939 |
| Franciscan Rossnowlagh | O'Byrne, Simon | Monograph or Collective Volume | Franciscan Community | 1978 |
| Franciscan servants, Tertiaries and Lay Brothers in nineteenth-century Ireland | O'Kane, Stephen | Article in Journal | | 2019 |
| Franciscan Sisters of the Immaculate Conception | Anon. | Article in Book | | 1952 |
| Franciscan superiors in Donegal | Conlan, Patrick | Article in Journal | | 2011 |
| Franciscans in County Leitrim, 1508-c.1800 | Kelly, Liam | Article in Book | | 2019 |
| Franciscans leave Drogheda after 755 years | Garry, James | Article in Journal | | 2000 |
| Franciscans of Inishowen and Derry | Faulkner, Anselm | Article in Journal | | 1982 |
| Francisco de Borja and the Irish mission of the Society of Jesus | Lennon, Colm | Article in Book | | 2011 |
| François Porter, franciscain irlandais à Rome (1632-1702) | Ceyssens, Lucien | Article in Book | | 1964 |
| Frascati and the Lord Edward Fitzgerald connection | Laffan, Moira | Monograph or Collective Volume | Foxrock Local History Club | 1999 |
| Free women on a savage frontier. St John of God Sisters on the Kimberley pearling coast of Western Australia | Jacobs, Pat | Article in Journal | | 2004 |
| Frescati | Watchorn, Richard | Article in Journal | | 2003 |
| Frescati - Blackrock's historical ghost | Pearson, Peter | Article in Journal | | 1999 |
| Friar Maurice Hanlan, his books and the Franciscan studium in medieval Youghal | Ó Clabaigh, Colmán N. | Article in Book | | 2012 |
| Friar Nugent : a study of Francis Lavalin Nugent (1569-1635), agent of the counter-reformation | Martin, F. X. (Francis Xavier), 1922-2000 | Monograph or Collective Volume | Methuen | 1962 |
| Friarstown 'house of refuge' | Moran, William | Article in Journal | | 1961 |
| From 'city of God' to a blueprint for the future : Glendalough in the nineteenth century | Ní Cheallaigh, Máirín | Article in Book | | 2011 |
| From Anglo-Norman demesne to modern luxory hotel : the story of Little Island, Co. Waterford | Dooley, Tom | Article in Journal | | 1996 |
| From Anglo-Norman manor to plantation estate : an archaeological survey of monasteries county Offaly | Armstrong-Anthony, Sinéad | Article in Book | | 2005 |
| From caput to caput: the rise and fall of medieval Ferns, c.600–c.1600 | Potterton, Michael | Article in Book | | 2023 |
| From Channel Row to Cabra : Dominican nuns and their times, 1717-1820 | Kealy, Máire M. | Monograph or Collective Volume | Columba Press | 2010 |
| From clay pipes to smoking ban. One hundred years of Drogheda pubs | Winters, Tom | Article in Journal | | 2005 |
| From Clonsast to Ballyburley, Joe O'Reilly and 4th class, Convent school, Edenderry | Anonymous | Monograph or Collective Volume | Joe O'Reilly | 1994 |
| From Cluny, Saone-et-Loire, Bourgogne to Ferbane, County Offaly: The story of how the community of the Sisters of St Joseph of Cluny came to set up on the banks of the Brosna | Turley, Pádraig | Article in Journal | | 2011 |
| From early to late: uncovering medieval Ferns....recent excavations... | McLoughlin, Catherine | Article in Journal | | 2020 |
| From hunting field to cloister | Gwynn, M. M. Xavier | Monograph or Collective Volume | Clonmore & Reynolds | 1946 |
| From Kerry to Katong : transnational influences in convent and novitiate life for the Sisters of the Infant Jesus, c. 1908-1950 | Raftery, Deirdre | Article in Book | | 2016 |
| From Lynally to Durrow ... by boat | Moran, Bernie | Article in Journal | | 2011 |
| From monastic to secular : an anatomy of two early modern estates in south-east Ulster and north Louth | Abraham, A. S. K. | Article in Journal | | 2000 |
| From Ockwells Manor to Clonfert | Darracott, Anne | Article in Journal | | 2003 |
| From swords to ploughshares : evidence for Templar agriculture in medieval Ireland | Murphy, Margaret | Article in Book | | 2015 |
| From thatch to slate : innovation in roof covering materials for traditional farmhouses in Ulster | Robinson, Philip S. | Article in Journal | | 1985 |
| From the desert fathers to Columban monasticism : early medieval notions of work, sustenance, and subsistence in Ireland and Merovingian Gaul | Adams, Claire | Article in Journal | | 2018 |
| From the ground up: engineering Irish early neolithic houses | O'Flaherty, RonanSmyth, Jessica | Article in Journal | | 2015 |
| Frowning ruins : the tower houses of medieval Ireland | Donnelly, Colm J. | Article in Journal | | 1996 |
| Frühmittelalterliche Klöster in Irland : studien zu baugeschichtlichen problemen am Beispiel der Ruinen von Glendalough | Mettjes, Gerd | Monograph or Collective Volume | Haag & Herchen | 1977 |
| Functions and classification of tower houses in Ireland | Eadie, Gillian K. | Thesis | | |
| Further additions to the Franciscan collection | De Brún, Pádraig | Article in Journal | | 1984 |
| Further Evidence for A Columban Iceland : Preliminary Results of Recent Work | Ahronson, Kristján | Article in Journal | | 2000 |
| Gaelic lords of the sea : the coastal tower houses of south Connemara | Naassens, Paul | Article in Book | | 2007 |
| Gaelic monasticism and the Irish Cistercians c.1228 | O'Dwyer, B. W. | Article in Journal | | 1967 |
| Gaelic society and economy in the high middle ages | Nicholls, K. W. (Kenneth W.) | Article in Book | Clarendon Press | 1987 |
| Gaelic, Catholic and European : Irish priests and Irish colleges | Smith, Peter | Article in Book | [UK]:Institute for Theological Partnerships Publishing | 2015 |
| Gaelscríbhinn i gcéin: Scathán shacramuinte na haithridhe Seiceach | Buttimer, Neil | Article in Journal | | 2019 |
| Galway castles and owners in 1574 | Nolan, J. P. | Article in Journal | | 1900 |
| Galway Dominican nuns : a chronology, 1644-1988 | Anonymous | Article in Book | | 1991 |
| Galway Dominicans : a chronology, 1241-1991 | Anonymous | Article in Book | | 1991 |
| Galway landlords and country houses | Walsh, Anne | Article in Journal | | 1989 |
| Gäste und Lehrere aus Irland im Kloster St.Gallen|Guests and teachers from Ireland at the Abbey of St Gall | Schmuki, Karl | Article in Book | | 2018 |
| Gender and nationalism : Acadians, Quebecois, and Irish in New Brunswick nineteenth-century colleges and convent schools, 1854-1888 | Andrew, Sheila | Article in Journal | | 2002 |
| Gendered violence and cultural forgetting : the case of the Irish Magdalenes | Clleton, JonathanYeager, Jennifer | Article in Journal | | 2016 |
| Gentlemen’s daughters in Dublin cloisters : the social world of nuns in early eighteenth-century Dublin | Cunningham, Bernadette | Monograph or Collective Volume | Dublin Corporation Public Libraries | 2018 |
| Geophysical imaging in the Leamonaghan togher | Gibson, Paul J. | Article in Journal | | 2012 |
| Geophysical investigations at Ferns as part of the Ancient Connections Project | Teale, Kimberley | Article in Book | | 2023 |
| Geschichte des Benediktinerordens : 3 | Schmitz, P. | Monograph or Collective Volume | Benziger | 1955 |
| Giovan Pietro Bellori (1613-1696) Sindaco Apostolico del Collegio S. Isidoro, Roma | Bellardini, DonatellaCostacurta, Claudia | Article in Journal | | 2014 |
| Glasnevin House - a sense of place | Keely, Vivienne | Monograph or Collective Volume | History Press Ireland | 2014 |
| Glasnevin village in the 18th century : the Parish Alms House and the Parish School | O'Doherty, Tony | Article in Journal | | 2006 |
| Glass from Beaubec, Co. Meath | Moran, Jo | Article in Book | | 2023 |
| Glendalough | Corlett, Christiaan | Monograph or Collective Volume | Coles Lane | 2017 |
| Glendalough : city of God | | Monograph or Collective Volume | Four Courts | 2011 |
| Glendalough : liturgy and music | Casey, Sara G. | Article in Book | | 2011 |
| Glendalough : the Royal Society of Antiquaries of Ireland's contribution to its preservation, examination and illustration | Ireland, Aideen | Article in Book | | 2011 |
| Glendalough House | Duffy, Imelda | Article in Journal | | 1989 |
| Glendalough House, Annamoe, Co. Wicklow | Davies, Mary | Article in Journal | | 2016 |
| Glenelly Our Home | Murphy, Rose Mary | Article in Journal | | 2012 |
| Glenmaroon | Henry, MaryNewsome, Paul | Article in Book | | 1998 |
| Glenstal : school life during the fifties | Kenny, Harvey | Monograph or Collective Volume | York Photographic | 2010 |
| Glenstal Abbey : a historical guide | Tierney, Mark | Monograph or Collective Volume | Glenstal Abbey Publications | 1990 |
| Glenstall Abbey, 1930-2004 | Tierney, Mark | Article in Book | | 2005 |
| Glimpses of catholic Ireland in the eighteenth century : restoration of the daughters of St Brigid by the most rev. Dr Delaney | Gibbons, Margaret | Monograph or Collective Volume | NA | 1932 |
| Go teach all nations : a history of the Irish Province of the Congregation of the Holy Spirit | | Monograph or Collective Volume | Paraclete | 2000 |
| God wills it! : centenary story of the Sisters of St Louis | Pauline, Mary, Sr. | Monograph or Collective Volume | Browne and Nolan | 1959 |
| God's entrepreneurs : how Irish missionaries tried to change the world | Humphreys, Joe | Monograph or Collective Volume | New Island | 2010 |
| Going global for God : A portrait of Ballyheigue's missionary movement | Ó hAllmhuráin, Micheál | Monograph or Collective Volume | Ballyheigue History and Heritage Group | 2016 |
| Going to Holy Cross | De Varebeke, Hubert J. | Article in Journal | | 1955 |
| Going up the baths | O'Farrell, Conn | Article in Journal | | 2012 |
| Goodbye to Delahunt's | | Article in Journal | | 2018 |
| Gortmore House | Maloney, Dan | Article in Journal | | 1994 |
| Gortnaglough House | Bary, Valerie | Article in Journal | | 1995 |
| Gothic revival | Horan, James | Article in Journal | | 2017 |
| Graignamanagh Abbey : history and present crisis | Walsh, Kilian J. | Article in Journal | | 1970 |
| Grange abbey, Baldoyle | Mac Giolla Phádraig, Brian | Article in Journal | | 1965 |
| Granny Castle - a history | McCarthy, Patrick | Article in Journal | | 2020 |
| Great changes, increased demands: education, teacher training and the Irish Presentation Sisters | O'Reilly, Louise | Article in Book | | 2016 |
| Great Houses in Ashford | Murphy, Laurence | Article in Journal | | 2021 |
| Great houses of Ireland | Montgomery-Massingberd, HughSykes, Christopher Simon | Monograph or Collective Volume | Laurence King | 1999 |
| Great Irish households. Inventories from the long eighteenth century | NA | Monograph or Collective Volume | John Adamson | 2022 |
| Great Irish houses and castles | Guinness, DesmondO'Brien, Jacqueline | Monograph or Collective Volume | Weidenfeld and Nicolson | 1992 |
| Grellan D. Rourke - A Lifetime on Skellig | Sheehan, John | Article in Book | | 2022 |
| Grey Abbey, county Down | Anonymous | Monograph or Collective Volume | HMSO | 1964 |
| Grey Abbey, County Down | Anonymous | Monograph or Collective Volume | | 1964 |
| Guardians of the East Road at the West end of the world | Fennessy, Ignatius | Article in Journal | | 1993 |
| Hall Craig : words on an Irish house | Weir, Hugh W. S. | Monograph or Collective Volume | Ballinakella | 1979 |
| Hallowed by saints, coveted by kings : Christianisation and land tenure in Rathdown c. 400-900 | Boazman, Gill | Article in Book | | 2016 |
| Handbuch der deutschen Geschichte : Band i, Frühzeit und Mittelalter | Gebhardt, Bruno | Monograph or Collective Volume | Union Deutsche Verlagsgesellschaft | 1954 |
| Hartwell Castle and bawn : a monastic grange | Conroy, Gearóid | Article in Book | | 2007 |
| Hatley manor | Molloy, Pat | Article in Journal | | 1998 |
| Haunting the graveyard : the secrets of a County Antrim friary | Forrest, Stephen | Article in Book | | 2010 |
| Hazelwood and Lakelands - growing up in Kilmacud in the 1940s | Ryan, Gerry | Article in Journal | | 2013 |
| Headfort and the significance of the demesne landscape in Meath | Mulligan, Kevin | Article in Journal | | 2011 |
| Headfort House | Bolton, M. D. C. | Monograph or Collective Volume | Fieldgate Press | 1999 |
| Health, hearth and heart : the story of Dunloe and meeting house at Anticlare | McCaughan, A. A. | Monograph or Collective Volume | Dunceithern Publishing | 1988 |
| Heath House | Hyland, Jackie | Article in Journal | | 2016 |
| Heil Mary : Magdalen asylums and moral regulation in Ireland | Titley, Brian | Article in Journal | | 2006 |
| Henry Gillespie - from Mallow to Iowa | Moynihan, Anne | Article in Journal | | 2018 |
| Henry II as a founder of monasteries | Hallam, Elizabeth M. | Article in Journal | | 1977 |
| Herbert Hill, Dundrum | Smith, Margaret | Article in Journal | | 2018 |
| Heritage in stone | Hunt, John | Article in Journal | | 1978 |
| Hibernia Dominicana | Burke, Thomas, O.P., bishop of Ossory, c.1709-1776 | Monograph or Collective Volume | | 1762 |
| Hibernia Dominicana : Supplementum | Burke, Thomas, O.P., bishop of Ossory, c.1709-1776 | Monograph or Collective Volume | | 1772 |
| Hibernia Dominicana; sive, historia provinciae Hiberniae Ordinis Praedicatorum | Burke, Thomas, O.P., bishop of Ossory, c.1709-1776
| Monograph or Collective Volume | Gregg | 1970 |
| Hiding in plain sight | Barrett, GerardDonnelly, Colm | Article in Journal | | 2019 |
| High Island : an Irish monastery in the Atlantic | Marshall, Jenny WhiteRourke, Grellan D. | Monograph or Collective Volume | Town House & Country House | 2000 |
| Hillsborough : an illustrated history and companion | Walker, Simon, 1970- | Monograph or Collective Volume | Cottage Publications | 1994 |
| Hillsborough House near Droichead Nua | Colgan, John | Article in Journal | | 2003 |
| Historic Galway convents | Concannon, Helena | Article in Journal | | 1950 |
| Historic Laois mansions | Fleming, James | Article in Journal | | 1992 |
| Historic Moynelly - home of Colonel Richard Grace | Cox, Liam, 1908-2003 | Article in Journal | | 1975 |
| Historic past preserved in a 21st century industrial setting | Garrihy, ColmanO'Brien, John | Article in Journal | | 2024 |
| Historical and descriptive notes with illustrations of the ecclesiastical remains at Glendalough, Co. Wicklow | Commissioners of Public Works, IrelandLeask, H. G. (Harold G.) | Monograph or Collective Volume | The Stationery Office | 1937 |
| Historical aspect of Kilmore House | Fitzpatrick, Helen | Article in Journal | | 1986 |
| Historical background | Devane, Catriona | Article in Book | | 2022 |
| Historical evidence in the classroom : a Dungiven example | Smith, Frank | Article in Journal | | 1984 |
| Historical genealogical architectural notes on some houses of Clare | Weir, Hugh | Monograph or Collective Volume | Ballinakella | 1986 |
| Historical genealogical architectural notes on some houses of Cork. Vol. 1 : north Cork | Hajba, Anna-Maria | Monograph or Collective Volume | Ballinakella | 2002 |
| Historical genealogical architectural notes on some houses of Wexford | Rowe, David | Monograph or Collective Volume | Ballinakella | 2004 |
| Historical Notes on the abbey and parish of Bangor | Carey, J. A. | Monograph or Collective Volume | John Aiken & Son | 1919 |
| Historical notice of Inistioge and the Staff of Jesus | Morrin, James L. | Article in Journal | | 1879 |
| History of Annaghdown [ = title page] | Goaley, Michael | Monograph or Collective Volume | [The author]|Printed by Berry's, Westport | 1998 |
| History of Ballyhaise Estate | Swords, Michael | Article in Journal | | 2019 |
| History of Killeen castle, county Meath, Ireland | Carty, Mary-Rose | Monograph or Collective Volume | Carty/Lynch | 1991 |
| History of Kylemore Castle and Abbey | Villiers-Tuthill, Kathleen | Monograph or Collective Volume | Kylemore Abbey Publications | 2002 |
| History of Mayo | Quinn, J. F., 1875-1953 | Monograph or Collective Volume | Brandon | 2000 |
| History of Mayo vol 1 | Quinn, J. F., 1875-1953 | Monograph or Collective Volume | Brendan Quinn | 1993 |
| History of the Anglo-Irish province of the Missionary Oblates of Mary Immaculate : part 1 : 1841-1921 | Denny, Vincent | Monograph or Collective Volume | Oblate Fathers | 1991 |
| History of the Fastnet Rock lighthouses | Scott, C. W. | Monograph or Collective Volume | Schull Books | 1993 |
| History of the Quakers of Limerick 1655-1900 | Wood, Hiram | Monograph or Collective Volume | J. H. W. | 2020 |
| History of the South Rock lighthouse | Gallagher, Daniel | Article in Journal | | 1978 |
| History, survey and analysis of the building | Manning, Conleth | Article in Book | | 2005 |
| Holy Cross : Tipperary's famed religious site | Hayes, William J. | Article in Book | | 1993 |
| Holy Cross Abbey | Hayes, William J. | Article in Journal | | 1972 |
| Holy Cross abbey | Hayes, W. J. | Monograph or Collective Volume | | 1973 |
| Holy Cross and the language of Irish late Gothic | O'Donovan, Danielle | Article in Book | | 2011 |
| Hore Abbey, Cashel : the archaeological record | Collins, Tracy | Article in Journal | | 1998 |
| Hospital of St John without the Newgate, Dublin | McNeill, Charles | Article in Book | | 1990 |
| Hospitals in Ireland | | Article in Book | | 2002 |
| Hotels in Ireland | Corr, Frank | Monograph or Collective Volume | Jema | 1987 |
| Households of God : The Regular canons and
canonesses of St Augustine and of Prémontré in medieval Ireland | | Monograph or Collective Volume | Four Courts Press | 2019 |
| Houses and places listed in Burke's Landed Gentry of Ireland 3rd edition 1912 | | Article in Journal | | 2009 |
| Houses of Kerry | Bary, ValerieWalsh, Stephanie | Monograph or Collective Volume | Ballinakella | 1994 |
| Houses of Kerry; with drawings by Stephanie Walsh | Valery, Barry | Monograph or Collective Volume | Ballinakella Press | 1994 |
| How popular were fortified houses in Irish castle building history? a look at their numbers in the archaeological record and distribution patterns | Weadick, Sharon | Article in Book | | 2009 |
| How third places foster and shape community cohesion, economic development and social capital : the case of pubs in rural Ireland | Cabras, IgnazioMount, Matthew P. | Article in Journal | | 2017 |
| Hugh Charles Horan of Galway and Mother Mary MacKillop | Fennessy, Ignatius | Article in Journal | | 1999 |
| Hugh de Lacy's legacy | French, Noel | Article in Book | | 2015 |
| Hugh McCaghwell, O.F.M., archbishop of Armagh : aspects of his life | Giblin, Cathaldus | Article in Journal | | 1985 |
| Hunter's Hotel, New Rathbridge | Jenkinson, Padraig | Article in Journal | | 1991 |
| I.R.A.'s courteous arsonists | Anonymous | Article in Journal | | 1987 |
| Ice houses | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2023 |
| Il culto di San Colombano in San Colombano al Lambro | Curti-Pasini, G. B. | Article in Book | | 1951 |
| Illaunloughan : an early Iveragh monastery and its shrine | Marshall, Jenny WhiteWalsh, Claire | Article in Book | | 2009 |
| Illaunloughan : life and death on a small early monastic site | Marshall, Jenny WhiteWalsh, Claire | Article in Journal | | 1994 |
| Illuminating the past | Brogan, Con | Article in Journal | | 1998 |
| Illustrated incumbered estates : Ireland, 1850-1905 : lithographic and other illustrative material in the incumbered estates rentals | Lyons, Mary Cecelia | Monograph or Collective Volume | Ballinakella | 1993 |
| Illustrations of the passion of Christ in the 'Seanchas Búrcach' manuscript | Cunningham, Bernadette | Article in Book | | 2006 |
| In defence of barmaids : the Gore-Booth sisters take on Winston Churchill | Tiernan, Sonja | Article in Journal | | 2012 |
| In Norman times - Bridgetown Priory (maps) | MacCarthy, C. J. F. | Article in Journal | | 1995 |
| In our keeping : the archives of the Congregation of the Irish Dominican Sisters, Cabra | Horgan, Dominique | Article in Journal | | 1994 |
| In praise of the Corcomroe masons | Gilmore, Hilary | Article in Journal | | 2000 |
| In ruins : the once great houses of Ireland | Marsden, SimonMcLaren, Duncan | Monograph or Collective Volume | Bulfinch | 1997 |
| In search of truth : journeys of nineteenth-century Irish Dominican women | Duggan, Maura | Monograph or Collective Volume | Linden Publishing Services | 2010 |
| In the headlines : the story of the Belfast Europa Hotel | Scoular, Clive | Monograph or Collective Volume | Appletree Press | 2003 |
| In the lighthouse service, an O'Donnell family tradition since 1867 | O'Donnell, Patrick | Article in Journal | | 2008 |
| In the shadow of the castle and the abbey : aspects of the history of Donegal town since 1600 | Potter, Matthew | Article in Book | | 2015 |
| In Wangen und Arbon : neue Beobachtungen zum missionwerk Columbans des Jüngeren | Blanke, Friedrich | Article in Journal | | 1952 |
| Inch abbey | McRobert, John | Article in Journal | | 1991 |
| Incised effigial slab at Athassel Priory | Brennan, Peggy | Article in Journal | | 1990 |
| Incised slab at Athassell Priory, Co. Tipperary | O'Farrell, Fergus | Article in Journal | | 1985 |
| Inishmurray : ancient monastic island | Heraughty, Patrick | Monograph or Collective Volume | O'Brien Press | 1982 |
| Inistioge and the Crozier of St Patrick | Neary, Patrick | Article in Journal | | 1879 |
| Innisfallen, home of sanctity and learning | Carney, Maire | Article in Journal | | 1940 |
| Inns and taverns of old Kilkenny | Sparks, May | Monograph or Collective Volume | Kilkenny People | 1954 |
| Insect analysis from Beaubec, Co. Meath | Davis, StephenKourela, EvaNagyova, Michala | Article in Book | | 2023 |
| Inspiring Irish crusaders: St Bernard’s writings and Cistercian impact | Picard, Jean-Michel | Article in Book | | 2022 |
| Institutional solution to a social problem: industrial schools in Ireland and the Sisters of Mercy, 1869 to 1950 | Lunney, Sheila | Thesis | | 1996 |
| Interpretation of round towers - public appeal or professional opinion? | Corlett, Christiaan | Article in Journal | | 1998 |
| Introduction | Wooding, Jonathan M. | Article in Book | | 2010 |
| Introduction | Bhreathnach, Edel | Article in Book | | 2019 |
| Introduction | Krasnodebska-D'Aughton, Malgorzata | Article in Book | Cork University Press | 2024 |
| Introduction | Keller, Wolfram R.Schluter, Dagmar | Chapter in Book | Nodus Publikationen | 2017 |
| Introduction | Begadon, Cormac ; Kelly, James E. | Article in Book | | 2022 |
| Introduction | Stout, Geraldine | Article in Book | | 2022 |
| Introduction : Father Luke Wadding - a multifaced Irishman in a global world | Binasco, Matteo | Article in Book | | 2020 |
| Inventaire des règles monastiques Irlandaises | Gougaud, Louis | Article in Journal | | 1908 |
| Inventory of articles belonging to the friary of Donegal, 1698 | Egan, Bartholomew, OFM | Article in Book | | 1952 |
| Iona : the archaeology of the early monastery | McCormick, Finbar | Article in Book | | 1997 |
| Iona : the earliest poetry of a Celtic monastery | Clancy, Thomas OwenMárkus, Gilbert | Monograph or Collective Volume | Edinburgh University Press | 1994 |
| Iona and Lindisfarne | Winmill, J. M. | Article in Journal | | 1953 |
| Iona and Reichenau in the ninth century | Richter, Michael, 1943-2011 | Article in Book | | 2010 |
| Iona and the Irish colony of Dál Riata | Griffith, Lisamarie | Article in Journal | | 2003 |
| Iona's style of government : the toponomastic evidence | MacDonald, Aidan | Article in Journal | | 1985 |
| Iona, and some satellites | Hannan, Thomas | Monograph or Collective Volume | Chambers | 1937 |
| Iona, Kells and Derry : the history and hagiography of the monastic Familia of Columba | Herbert, Máire | Monograph or Collective Volume | Clarendon Press | 1988 |
| Iona, Scotland and the Céli Dé | Clancy, Thomas Owen | Article in Book | | 1996 |
| Ireland : harbinger of the middle ages | Bieler, Ludwig | Monograph or Collective Volume | Oxford University Press | 1963 |
| Ireland and Austria in the middle ages : the role of the Irish monks in Austria | Ó Riain-Raedel, Dagmar | Article in Book | | 2002 |
| Ireland and Germany : a survey of literary and cultural relations before 1700 | O'Neill, Patrick | Article in Journal | | 1982 |
| Ireland and northern France, AD 600-850 | | Monograph or Collective Volume | Four Courts | 1991 |
| Ireland and Rome in the eleventh century | Gwynn, Aubrey | Article in Journal | | 1941 |
| Ireland and the Catholic revival | Gwynn, D. R. (Denis Rolleston), 1893-1972 | Article in Journal | | 1950 |
| Ireland and the continent in the eleventh century | Gwynn, Aubrey | Article in Journal | | 1953 |
| Ireland and the crusades | Costello, Con | Article in Journal | | 1970 |
| Ireland and Würzburg in the middle ages | Gwynn, Aubrey | Article in Journal | | 1952 |
| Ireland of the saints | Mould, Daphne D. C. Pochin | Monograph or Collective Volume | Batsford | 1953 |
| Ireland's 'Norman' Castles | Duffy SeánSimpson, Linzi | Article in Journal | | 2019 |
| Ireland's contribution to medieval learning | O'Kane, Frances | Article in Journal | | 1956 |
| Ireland's earthen houses | McConville, HughMcDonald, Frank | Article in Journal | | 1997 |
| Ireland's industrial heritage | McMahon, Mary | Article in Journal | | 1998 |
| Ireland's Magdalen laundries and the nation's architecture of containment | Smith, James M., 1966- | Monograph or Collective Volume | University of Notre Dame Press | 2007 |
| Ireland's Round Towers: Origins and architecture
explored | Lalor, Brian | Monograph or Collective Volume | The Collins Press | 2016 |
| Ireland's unique abbey : the abbey that refused to die | Egan, Thomas A. | Article in Journal | | 1963 |
| Iren auf dem Continent. Das Leben des Marianus Scottus von Regensburg und die Anfange der irischen Schottenklöster | Weber, Stefan | Monograph or Collective Volume | Mattes Verlag | 2010 |
| Iren in der lothringischen Klosterreform | Semmler, Josef | Article in Book | | 1982 |
| Irische Einflüsse auf die frühen Kalendarien von St. Gallen | Hennig, John | Article in Journal | | 1954 |
| Irische Einflüsse in der St.Galler Initialenmalerei|Irish influences on initials decorated in St Gall | Schnoor, Franzeska | Article in Book | | 2018 |
| Irische Mönche in Süddeutschland im 15. Jahrhundert | Schmugge, Ludwig | Article in Book | | 1998 |
| Irische und St.Galler Heilige|Saints of Ireland and St Gall | Dora, CornelLenz, PhilippSchnoor, Franziska | Article in Book | | 2018 |
| Irisches Mönchtum und cluniazensizche Klosterreform | Bulst, Neithard | Article in Book | NA | 1982 |
| Irish Benedictine monasteries on the continent | Ó Riain-Raedel, Dagmar | Article in Book | | 2005 |
| Irish biblical exegesis | Stansbury, Mark | Article in Book | | 2016 |
| Irish Carmelite Fathers : seventh centenary souvenir, 1271-1971 | Anonymous | Monograph or Collective Volume | Carmelite Publications | 1971 |
| Irish churches and monasteries : an historical and architectural guide | O'Reilly, Sean D. | Monograph or Collective Volume | Collins Press | 1997 |
| Irish churches and monastic buildings. 3 vols. | Leask, H. G. (Harold G.) | Monograph or Collective Volume | Dundalgan Press | 1955 |
| Irish Cistercian monasteries : a pedigree and distribution map | Leask, H. G. (Harold G.) | Article in Journal | | 1948 |
| Irish country houses | Reeves-Smyth, Terence | Monograph or Collective Volume | Appletree | 1993 |
| Irish daughter houses of Glastonbury | Brooks, E. St. J. | Article in Journal | | 1954 |
| Irish Dominican medieval architecture | Conlon, Patrick | Article in Book | | 2002 |
| Irish Dominican medieval architecture | Conlan, Patrick, 1940- | Article in Book | | 2002 |
| Irish Dominicans at Lisbon before 1700 : a biographical register | | Article in Journal | | 2000 |
| Irish Dominicans at Louvain before 1700 : a biographical register | | Article in Journal | | 2001 |
| Irish Dominicans at Rome, 1570-1699 : a biographical register | Fenning, Hugh | Article in Journal | | 2003 |
| Irish drinking worlds : a socio-cultural reinterpretation of ambivalence | Cassidy, Tanya | Article in Journal | | 1996 |
| Irish ecclesiastical architecture | Champneys, A. C. | Monograph or Collective Volume | | 1910 |
| Irish ecclesiastical architecture, with some notice of similar or related work in England, Scotland and elsewhere | Champneys, ArthurDe Paor, Liam | Monograph or Collective Volume | Irish University Press | 1970 |
| Irish Europe, 1600-1650 : writing and learning | | Monograph or Collective Volume | Four Courts | 2013 |
| Irish Franciscan friary architecture : late medieval and early modern | O'Neill, Michael | Article in Book | | 2009 |
| Irish Franciscan libraries of the past | Mooney, Canice | Article in Journal | | 1942 |
| Irish Franciscan provincials | Mooney, Canice | Article in Journal | | 1963 |
| Irish Franciscan relations with France, 1224-1850 | Mooney, Canice | Monograph or Collective Volume | Four Masters | 1951 |
| Irish Franciscan Seraphic Colleges - particularly Multyfarnham and Gormanstown | Conlan, Pat, OFM | Article in Journal | | 2015 |
| Irish Franciscans and France | Mooney, Canice | Monograph or Collective Volume | Clonmore & Reynolds | 1964 |
| Irish Franciscans and the Santiago Province of Spain | Hazard, Benjamin | Article in Book | NA | 2020 |
| Irish homes and Irish hearts (1867) | Taylor, Fanny (Frances) | Monograph or Collective Volume | University College Dublin Press | 2013 |
| Irish houses and castles, 1400–1740 | Loeber, Rolf, 1942-2017 | Monograph or Collective Volume | Four Courts Press | 2019 |
| Irish influence in England after the synod of Whitby | Kelly, Joseph | Article in Journal | | 1975 |
| Irish Jesuit education and imperial ideals | McMahon, Timothy G. | Article in Book | | 2012 |
| Irish lighthouses | Krauskopf, Sharma | Monograph or Collective Volume | Appletree | 2001 |
| Irish maritime lights | Millington, Gordon | Article in Book | | 2006 |
| Irish material in the registers of the Dominican masters general, 1390-1649 | NA | Article in Journal | | 1969 |
| Irish monastic activities in eastern Europe | Hennig, John | Article in Journal | | 1945 |
| Irish monastic and episocopal deeds, A.D. 1200-1600 : transcribed from the originals preserved at Kilkenny Castle. With an appendix of documents of the sixteenth and seventeenth centuries relating to monastic property after the Dissolution. (Ormond Deeds, being the Mediaeval Deeds preserved at Kilkenny Castle) | | Monograph or Collective Volume | | 1936 |
| Irish monastic art, 5th to 8th centuries | Graham-Campbell, James A. | Article in Journal | | 1983 |
| Irish monastic charters, 1142-1230 | Flanagan, Marie-Thérèse | Thesis | | 1973 |
| Irish monastic fisheries | Went, A. E. J. | Article in Journal | | 1955 |
| Irish monasticism : origins and early development | Ryan, John | Monograph or Collective Volume | Irish University Press | 1972 |
| Irish monasticism : origins and early development | Ryan, John | Monograph or Collective Volume | Four Courts | 1992 |
| Irish monasticism and the concept of inheritance : an examination of its legal aspects | Mori, Setsuko | Monograph or Collective Volume | Hosei University, Institute of Comparative Economic Studies | 1992 |
| Irish monasticism and the concept of inheritance : an examination of its legal aspects | Mori, Setsuko | Article in Book | | 1993 |
| Irish monks in Germany in the late Middle Ages | Ó Fiaich, Tomás | Article in Book | | 1989 |
| Irish monks in the Golden Age | | Monograph or Collective Volume | | 1963 |
| Irish nuns and artichokes : the experiences of Irish women religious in a French Order | O'Keefe-Vigneron, Gráinne | Article in Book | | 2014 |
| Irish possessions of St. Thomas of Acre | Brooks, E. St. J. | Article in Journal | | 1956 |
| Irish round towers | Stalley, Roger | Monograph or Collective Volume | Country House | 2000 |
| Irish round towers, with illustrations from ancient sources and the author | McDonnell, Hector | Monograph or Collective Volume | Wooden Books | 2005 |
| Irish Royal charters and the Cistercian order | Flanagan, Marie Therese | Article in Book | | 2005 |
| Irish saints in Italy | Scanlan, J.Tommasini, Anselmo | Monograph or Collective Volume | Sands | 1937 |
| Irish Tiaracht lighthouse Blasket Islands, Co. Kerry (1870-1988) | Graham, Dan | Article in Journal | | 1996 |
| Irish tower houses and their regional distribution | Ó Danachair, Caoimhín, 1913-2002 | Article in Journal | | 1977 |
| Irish town houses : a Co. Tipperary case study | Cairns, C. T. | Monograph or Collective Volume | Group for the Study of Irish Historic Settlement | 1987 |
| Irish women in religious orders, 1530-1700 : suppression, migration and integration | McShane, Bronagh Ann | Monograph or Collective Volume | Boydell Press | 2022 |
| Irish women religious and nineteenth century Australian social history | MacGinley, Rosa | Article in Journal | | 2005 |
| Irish-Norse relations : time for a reappraisal | Lucas, A. T. | Article in Journal | | 1966 |
| Irland im deutschen und abendländischen Sakralraum : zugleich ein Ausblick auf St Brandan und die zweite Kolumbusreise | Schreiber, Georg von | Monograph or Collective Volume | Westdeutscher Verlag | 1956 |
| Irland und St.Gallen|Ireland and St Gall | Ó Cróinín, Dáibhí | Article in Book | | 2018 |
| Irland und Würzburg im Mittelalter | Gwynn, Aubrey | Article in Journal | | 1952 |
| Isabella's Tower and the Ward of Ardglass | Wilson, Anthony M. | Article in Journal | | 1996 |
| Islands of storm : eileáin annraidh | Roy, James Charles | Monograph or Collective Volume | Wolfhound Press | 1991 |
| Isle of the saints : monastic settlement and Christian community in early Ireland | Bitel, Lisa M., 1958- | Monograph or Collective Volume | Cornell University Press | 1990 |
| Isle of the saints : monastic settlement and Christian community in early Ireland | Bitel, Lisa M., 1958- | Monograph or Collective Volume | Cork University Press | 1993 |
| Isolated in the wilderness : An archaeological exploration of nunneries in the medieval landscape of Ireland | Collins, Tracy | Article in Book | Four Courts Press | 2018 |
| Isolation or involvement? | Fenn, R. W. D. | Article in Book | NA | 1974 |
| It takes two to tango : a review of beehive querns | Mulrooney, Gary | Article in Book | | 2006 |
| It's a long way from county Clare : St Mochulla of Tulla in Germany | Ó Riain-Raedel, Dagmar | Article in Journal | | 2013 |
| Ita of Killeedy: the cult of a Saint | Canty, Denis | Article in Journal | | 2018 |
| Jackie Nickerson's 'Faith' | Nickerson, Jackie | Article in Journal | | 2007 |
| Je suis d’aucune nacion’ : the recruitment and identity of Irish women religious in the international mission field, c.1840-1940 | Raftery, Deirdre | Article in Journal | | 2013 |
| Jenkinstown oratory | Brennan, John | Article in Journal | | 1993 |
| Jennifer Johnston's How Many Miles to Babylon? Questioning the past among echoes of literary history | Fabre, Silvia Diez | Article in Book | | 2006 |
| Jeremiah White | Williams, Tom | Article in Journal | | 2001 |
| Jerpoint | Hegarty, Maureen | Article in Journal | | 1971 |
| Jerpoint Abbey : an historical perspective | Lynch, Breda | Article in Journal | | 2004 |
| Jerpoint Abbey, Co. Kilkenny | Leask, H. G. (Harold G.) | Monograph or Collective Volume | The Stationery Office | 1939 |
| Jesuitische Finanzen im Irland der Restaurationsepoche | Foerster, Martin | Article in Journal | | 2016 |
| Jesuits in Hong Kong, South China, and beyond, 1926-2006 | Morrissey, William J. | Monograph or Collective Volume | Xavier Publishing Association | 2008 |
| Jewel of Anglesey... Plas Newydd, an historic Welsh garden with Irish connections | Davies, Mary | Article in Journal | | 2008 |
| Jewel of the Glens | Smyth, Terence | Article in Journal | | 2006 |
| John Colgan as editor | Bieler, Ludwig | Article in Journal | | 1948 |
| John Colgan as historian | Cunningham, Bernadette | Article in Book | | 2013 |
| John de Courcy, the first Ulster plantation and Irish church men | Flanagan, Marie Therese | Article in Book | | 1999 |
| John Henry Parker and his contribution to Irish tower house studies | Donnelly, Colm J. | Article in Journal | | 1995 |
| John Hurley : pastoralist and politician | Rutledge, Martha | Article in Journal | | 1988 |
| John McColgan (1592-1992) | Byrne, Connall | Article in Journal | | 1992 |
| John Nash and the building of Rockingham, Co. Roscommon | Wheeler, Gordon | Article in Book | | 2003 |
| John R. Wigham, inventor of the most powerful light at Galley Head | Wigham, Billy | Article in Journal | | 2004 |
| John Sullivan SJ., 1861 - 1933 : where two traditions meet | Morrissey, Thomas J. | Monograph or Collective Volume | Columba | 2009 |
| John's Lane | Butler, Thomas | Monograph or Collective Volume | St John's Priory | 1983 |
| Jonas of Bobbio: Life of Columbanus, Life of John of Réomé and Life of Vedast | | Monograph or Collective Volume | Liverpool University Press | 2017 |
| Journey of an abbey, 1292-1972 : history of the Augustinians in Dungarvan | Butler, T. C. | Monograph or Collective Volume | Good Counsel Press | 1973 |
| Judith Wogan-Browne (1756-1848). The life, the family and the legacy of a remarkable woman | McQuinn, Christopher P. | Article in Journal | | 2017 |
| Katalog | | Article in Book | | 2005 |
| Kate O'Brien, convents and class | Clear, Caitriona | Article in Book | | 2009 |
| Keeping it in the family: Familial connections of abbesses and prioresses of convents in medieval Ireland | Lyons, Mary Ann | Article in Book | | 2023 |
| Kells and its priory | Clyne, Miriam | Article in Book | | 2017 |
| Kells priory, c.1500: a fortified monastic house | Tietzsch-Tyler, Daniel | Article in Book | | 2017 |
| Kells Priory, Co. Kilkenny : archaeological excavations by T. Fanning and M. Clyne | Clyne, Miriam | Monograph or Collective Volume | Stationery Office | 2007 |
| Kenure - the mansion that no one would buy | McCall, Caroline | Article in Journal | | 2009 |
| Kerry's built heritage is a tourism resource | Stafford, MaryRoseTobin, Fiona | Article in Journal | | 2007 |
| Kerrymount House and some digressions | Cremin, Vicky | Monograph or Collective Volume | Foxrock Local History Club | 1982 |
| Kilbline tower-house | Malone, Denis | Article in Journal | | 1992 |
| Kilcoe Castle: excavation of a late medieval stronghold in County Cork | Cotter, Eamonn | Article in Journal | | 2012 |
| Kilcolgan | Knox, H. T. (Hubert Thomas) | Article in Journal | | 1915 |
| Kilconnell Abbey | Bigger, Francis Joseph, 1863-1926 | Article in Journal | | 1903 |
| Kilcooley Abbey | Barrett, Maura | Monograph or Collective Volume | Sliabh Ardagh Rural Development | 2010 |
| Kilcooly abbey | Conway, Colmcille | Article in Journal | | 1985 |
| Kilcooly Abbey. Part 1 | Columbkille, Fr. | Article in Journal | | 1984 |
| Kilcrea Friary : 500th anniversary of foundation, 1465-1965 | | Monograph or Collective Volume | Kilcrea Franciscan Friary | 1966 |
| Kilcullen new abbey and the FitzEustaces | Fenton, James | Article in Journal | | 1941 |
| Kildare : saints, soldiers and horses | Costello, Con | Monograph or Collective Volume | Leinster Leader | 1991 |
| Kildare and Tuam | Gosling, Paul | Article in Book | | 2013 |
| Kildare Lodge, Lord Edward Fitzgerald's house | Boylan, Lena, d. 2000 | Article in Journal | | 1979 |
| Kilkeedy parish tower houses | Healy, James | Article in Journal | | 1987 |
| Kilkenny : past and present | Bradley, John, 1954-2014 | Article in Journal | | 2008 |
| Kilkenny and Limerick | Moore, Jennifer | Article in Book | | 2013 |
| Kilkenny and the Black Abbey | Gaffney, H. M. | Monograph or Collective Volume | Kilkenny People | 1951 |
| Kilkenny inns and taverns | Prim, J. G. A. | Article in Journal | | 1950 |
| KIlkenny's charitable institutions | Nolan, Pat | Article in Journal | | 2022 |
| Killcooley : land and people in Tipperary | Neely, W. G. (William G.) | Monograph or Collective Volume | The author | 1983 |
| Killeevan Abbey, Co. Monaghan | Davies, Oliver | Article in Journal | | 1940 |
| Killeshin : an Irish monastery surveyed | Bhreathnach, Edel | Article in Journal | | 1994 |
| Killone convent | Gilmore, Hilary | Article in Journal | | 1982 |
| Killydonnell friary | McGee, Seamus | Article in Journal | | 1991 |
| Kilmallock borough and Dominican priory : planning, patronage and urban life in medieval Ireland | Lafaye, Anne-Julie | Article in Journal | | 2018 |
| Kilmallock Dominican Priory, St. Saviours 1291-1833 | Taheny, Luke J. | Article in Journal | | 2001 |
| Kilranelagh and the Uí Máil | Ní Chon Uladh, Póilín | Article in Journal | | 2000 |
| Kilronan Castle and Mote Park : the decline of two Roscommon big houses | Fitzpatrick, Orla | Article in Book | | 2018 |
| Kimmage Manor : 100 years of service to mission | Ryan, Patrick J. | Monograph or Collective Volume | Columba Press | 2011 |
| Kinaleghin : a forgotten Irish Charterhouse of the thirteenth century | Gray, Andrew | Article in Journal | | 1959 |
| King House | Callan, Denise | Article in Journal | | 1996 |
| KIng House, Boyle, Co. Roscommon | Feeney, Nollaig | Article in Journal | | 2013 |
| King John and the Cistercians in Wales | Jenkins, James Haydn | Thesis | | |
| Kirche und Kloster St Jakob : Archaeologie und Architektur | Acht, Stephan | Article in Book | | 2005 |
| Kirchengeschichte Bayers, 1 : Von den Anfängen bis zu den Ungarneinfällen | Bauerreiss, Romuald | Monograph or Collective Volume | Eos-Verlag | 1950 |
| Kish connections | Lambert, Sheena | Article in Journal | | 2024 |
| Kish Lighthouse - Dublin Bay. Built in the Coal Harbour, Dun Laoghaire, 1965 | Scudds, Anna
| Article in Journal | | 2019 |
| Knappogue Castle - stronghold of the MacNamara Fionn - chieftains of the ancient district of West Clan Cuiléin in Co. Clare | Breen, MartinUa Cróinín, Risteárd | Article in Journal | | 2016 |
| Knights errant | Ryan, John | Article in Book | | 1998 |
| Knockmoy Abbey, otherwise called the Monastery of the "Hill of Victory". Notes on its history, and some ancient charters relating to it (hitherto unpublished) | Blake, Martin J. | Article in Journal | | 1900 |
| Knowledge management in monastic communities of the medieval Irish Celtic church | McGrath, Paul | Article in Journal | | 2007 |
| L'abbaye de Nivelles des origines au xiv siécle | Howbanx, J. J. | Monograph or Collective Volume | Palais des Académies | 1952 |
| L'action de saint Colomban en Alsace | Metz, R. | Article in Book | | 1951 |
| L'architecture Cistercienne en France | Aubert, Marcel | Monograph or Collective Volume | [s.n.] | 1947 |
| L'influence Colombanienne à l'abbaye de Maroeuil-en-Artois | Catrin, Paul | Article in Book | | 1951 |
| L'influence de saint Colomban et de ses disciples dans les monastèrer de la Brie | Barrault, A. | Article in Book | | 1951 |
| L'Irlande et la théorie médiévale des 'trois ordres' | Dubuison, D. | Article in Journal | | 1975 |
| La communità irlandese a Roma, 1377-1870. Il case-study storiografico | Binasco, Matteo | Article in Journal | | 2013 |
| La paroisse St-Colomban-de-Lantosque (diocèse de Nice) | Ozenda, Abbé Lucien | Article in Book | | 1951 |
| Lady Anne Conolly (1713-97): context and collection | Figgis, Nicola | Article in Journal | | 2017 |
| Lady Gregory : a local habitation and a name | Fahy, Mary de Lourdes | Article in Book | | 2000 |
| Lady Louisa Conolly : mistress of Castletown, 1759-1821 | Moore, Christopher | Article in Book | | 1987 |
| Lakeland icehouse, Ballinure, Mahon Peninsula, Cork | Purcell, Avril | Article in Journal | | 2004 |
| Lamb Doyles, Sandyford | Smith, Margaret | Article in Journal | | 2022 |
| Land agents and estate management in King's County during the Great Famine, 1838-53 | Reilly, Ciarán J. | Thesis | | 2010 |
| Land transactions and the making of Carton demesne | Horner, Arnold | Article in Journal | | 1974 |
| Landscape, situation and distribution: an assessment of the Butler Towerhouses of Co. Tipperary | Grant, Kevin | Article in Journal | | 2007 |
| Landscapes of the Middle Ages : Churches, Castles and Monasteries | Gilchrist, Roberta | Article in Book | | 1999 |
| Language and culture on the margins : the community, the individual and the Irish Augustinians in 1640 | Ó Ciosáin, Éamon ; Ó Macháin, Pádraig | Article in Book | Cork University Press | 2024 |
| Lassinagh House | Harty, Aaron | Article in Journal | | 2023 |
| Late in the field : Catholic sisters in twentieth-century Ireland and the new religious history | Mac Curtain, Margaret | Article in Journal | | 1995 |
| Late in the field : Catholic sisters in twentieth-century Ireland and the new religious history | Mac Curtain, Margaret | Article in Book | | 1995 |
| Late medieval friaries in Sligo : history and architecture | McDermott, Yvonne | Article in Book | | 2024 |
| Late medieval nunneries of the Irish Pale | Mac Curtain, Margaret | Article in Book | | 2019 |
| Late medieval nunneries of the Irish Pale | Mac Curtain, Margaret | Article in Book | | 2004 |
| Late medieval wall paintings in Court Abbey, Co. Sligo | Morton, Karena | Article in Book | | 2024 |
| Latin inscriptions from Ramsfort House, Gorey, Co. Wexford | Smith, Andrew | Article in Journal | | 1988 |
| Laurel Hill : a French foundation | Ahern, Richard | Article in Journal | | 1989 |
| Laying the foundation stone of the new church | F., R. | Article in Book | NA | 1952 |
| Le monastère de Moutier-saint-Jean et ses attaches colombaniennes | Marilier, J. | Article in Book | | 1951 |
| Le mot locus employé dans le sens de monastère | Dimier, M. A. | Article in Journal | | 1970 |
| Leaders of the Reformation | | Monograph or Collective Volume | | 1984 |
| Leamanch : an O'Brien castle and manor house | Gosling, PaulO'Connell, Jeffrey | Article in Book | | 1991 |
| Leamaneh Castle, Co. Clare. This contribution to Folklore Focus describes a notorious Clare woman and her castle | Dowd, Marion | Article in Journal | | 2023 |
| Learning and literature in early medieval Clonmacnoise | Bhreathnach, Edel | Article in Book | | 2003 |
| Lease of the Friary of Crevalea (Dromahaire) in County Leitrim to Owen Wynne, 1 April 1658 | Millett, Benignus | Article in Journal | | 1999 |
| Lehaunstown Park, Co. Dublin : a forgotten tower house | Swan, Leo, 1930-2001 | Article in Book | | 1998 |
| Leinster House and Isaac Ware drawings from the collection of the Hon. Desmond Guinness and the late Mariga Guinness | Griffin, David J. | Article in Book | | 1992 |
| Leinster House, 1744-2000 : an architectural history | Griffin, David J.Mayes, ElizabethPegum, Caroline | Monograph or Collective Volume | Irish Architectural Archive | 2000 |
| Leitrim of the lakes | Murray, Nora J. | Article in Journal | | 1935 |
| Lemnalary : a house on the Antrim coast and those who lived in it (part 2) | Irvine, James | Article in Journal | | 1985 |
| Lemnalary : a house on the Antrim coast and those who lived in it. Part 1 | Irvine, James | Article in Journal | | 1984 |
| Les aspects canoniques de la règle de saint Colomban | Gaudemet, Jean | Article in Book | | 1951 |
| Les débuts de l'art cistercien en Irlande d'après les vestiges des abbayes de Mellifont (Louth) et de Baltinglass (WIcklow) | Beuer-Szlechter, H. V. | Article in Journal | | 1970 |
| Les fondations colombaniennes dans le diocèse de Bourges | Mellot, Jean | Article in Book | | 1951 |
| Les monastères d'Irlande, pépinières de saints | Cerbelaud-Salagnac, Georges | Article in Book | | 1956 |
| Les monastères hiberno-francs en Gaule du nord - VIIe et VIIIe siècle | Riché, Pierre | Article in Book | | 1991 |
| Les Pères Maristes and New Zealand : the Irish connection | Laracy, Hugh | Article in Book | | 1996 |
| Les premiers ermitages et monasteres en Irlande, 400-700 | Herity, Michael | Article in Journal | | 1993 |
| Lesser known house burnings in Rosscarbery in 1921 | Hyland, Cal | Article in Journal | | 2011 |
| Let the lantern shine : Presentation, Clonmel, 1813-2013 | | Monograph or Collective Volume | Presentation Sisters | 2014 |
| Letter from Hannah Dawson to her niece Heather, Corcrain House, new years day 1933 | Dawson, Hannah, fl. 1933 | Article in Journal | | 1995 |
| Letters from Ireland, 1228-1229 | | Monograph or Collective Volume | | 1982 |
| Liber Killiniensis : Irish Franciscan chapter bills 1876-1999 and other lists, including a catalogue of friars on lists already published | Fennessy, Ignatius | Monograph or Collective Volume | Dun Mhuire | 2001 |
| Life and death in a county Antrim tower house | Hurl, DeclanMurphy, Eileen M. | Article in Journal | | 1996 |
| Life at Overton House | Hickey, N. M. | Article in Journal | | 1985 |
| Life at the monastery 1200 years ago | Parkes, Hilda | Article in Book | | 1987 |
| Life in a bar and grocery in the 1940s | O'Neill, Rita | Article in Book | | 2007 |
| Life in an Irish country house | Bence-Jones, Mark | Monograph or Collective Volume | Constable | 1996 |
| Life in Donegal, 1850-1900 | McCarron, Edward T. | Monograph or Collective Volume | Mercier Press | 1981 |
| Life in Wicklow a century ago. 1922 | Finlay, John | Article in Journal | | 2022 |
| Life of Colman of Lynn | | Monograph or Collective Volume | Lilliput | 1999 |
| Lifford convent, Ennis | D., David | Article in Journal | | 1938 |
| Lifting the veil on entrepreneurial Irish women : running convents in nineteenth century England and Wales | Walsh, Barbara | Article in Journal | | 2003 |
| Light from the west | Marnell, William H. | Monograph or Collective Volume | Seabury Press | 1978 |
| Lighthouse life | O'Donovan, Rachel | Article in Journal | | 2007 |
| Lighthouses - a different perspective | Scanlan, Bill | Article in Journal | | 1994 |
| Lighthouses: wonders of the 19th and 20th centuries | Gilmore, Hilary
| Article in Journal | | 2012 |
| Lighting up on the South - West Coast | Butler, Gerald | Article in Journal | | 2003 |
| Limerick turkish baths | Donovan, Tom | Article in Journal | | 1999 |
| Linen weaving in Convent of Mercy, Skibbereen : a pamphlet from 1893 | Anonymous | Article in Journal | | 2013 |
| Lislaughtin abbey | Ó Caoimh, Conchubhar | Article in Journal | | 1956 |
| Lismore and Cashel : reflections on the beginnings of Romanesque architecture in Munster | O'Keeffe, Tadhg | Article in Journal | | 1994 |
| Lismore Castle ice houses. ...two examples of an indispensable status-symbol for the large estate owner | Whelan, David A. | Article in Journal | | 2012 |
| Lisnavagh House, Rathvilly, Co. Carlow | Bunbury, Turtle | Article in Journal | | 2020 |
| List of holders of publicans licences in West Donegal October/November 1892 | Lafferty, Roisin | Article in Journal | | 2010 |
| Listing of monastic possessions in Waterford, c.1540 | Nolan, Tom | Article in Journal | | 1984 |
| Literacy and identity in early medieval Ireland | Johnston, Elva | Monograph or Collective Volume | Boydell | 2013 |
| Literary representations of the Irish country house : civilisation and savagery under the Union | Kelsall, Malcolm | Monograph or Collective Volume | Palgrave Macmillan | 2003 |
| Literature and learning in early medieval Meath | Downey, Clodagh | Article in Book | | 2015 |
| Lithics from Bey More, Co. Meath | Brady, Conor | Article in Book | | 2023 |
| Little-known drawings of Glendalough, c.1777-1850 | Harbison, Peter | Article in Book | | 2011 |
| Live from the Conniving House: Poetry and music in Eighteenth-Century Dublin | Griffin, Michael | Monograph or Collective Volume | Dublin City Council Public Libraries | 2018 |
| Living in the ocean | O'Loughlin, Thomas | Article in Book | | 1997 |
| Living in the past | Maxwell, Nick | Article in Journal | | 2003 |
| Living it up in Lanestown... a little-known tower-house in north county Dublin | Mongey, Mick | Article in Journal | | 2019 |
| Living large at Chatsworth | Murray, Peter | Article in Journal | | 2014 |
| Living with a saint: monastic identity, c ommunity, and the ideal of asceticism in the life of an Irish saint | Auslander, Diane Peters | Article in Book | | 2009 |
| Locating female saints and their foundations in the early medieval Irish martyrologies | Johnston, Elva | Article in Book | | 2023 |
| Locating Portumna in contemporary theory and practice in European architecture | McCarthy, Michael | Article in Book | | 2012 |
| Location and landscape | Giblin, Aidan | Article in Book | | 2023 |
| Lohort Castle: Medieval architecture, medievalist imagination | O'Keeffe, Tadhg | Article in Journal | | 2013 |
| Longford priories and their manuscripts : All Saints and Abbeyderg | Ó Riain, Pádraig | Article in Book | | 2010 |
| Longueville 1815 | Tarrant, Con | Article in Journal | | 1989 |
| Looking for medieval female religious in Britain and Ireland : sources, methodologies and pittfalls | Curran, Kimm | Article in Book | | 2018 |
| Lord Leitrim's demesne in South Leitrim, 1840-1860 | Heslin, Bríd | Article in Journal | | 2002 |
| Lord Sligo's plunder of Ancient Greece | Bunbury, Turtle | Article in Journal | | 2014 |
| Loreto Convent Foxrock : memories from the 1940s and 1950s : | Batt, Stephanie | Monograph or Collective Volume | Foxrock Local History Club | 2006 |
| Loreto education in Australia : the pioneering influence of Mother Gonzaga Barry | Kelly, Jane | Article in Book | | 2016 |
| Lorrha Dominican priory | Taheny, L. | Article in Journal | | 1949 |
| Lough Carra, Co. Mayo. Part 1 (The prehistoric settlement); Part 2 (The medieval and post-medieval settlement) | White, Fiona | Article in Journal | | 2011 |
| Loughlinstown House | Ryan, Rita | Monograph or Collective Volume | Foxrock Local History Club | 1983 |
| Louvain hagiography and Roman art | Mac Craith, Mícheál | Article in Book | | 2015 |
| Lovers of a new place : the founding of Tarrawarra Abbey, Victoria | Casey, Michael | Article in Book | | 2015 |
| Low-level roofs in Irish great towers | Manning, Conleth | Article in Journal | | 2000 |
| Low-level roofs in Irish great towers | Manning, Conleth | Article in Journal | | 2002 |
| Lucan House, Co. Dublin | O'Reilly, SeánRowan, Alistair | Monograph or Collective Volume | Eason | 1988 |
| Luggala | Bowe, Patrick | Article in Journal | | 2005 |
| Luggala during the Famine years | O'Brien, Pat | Article in Journal | | 2003 |
| Luke Wadding - Franciscan student and scholar | Galligan, Lucian | Article in Journal | | 1957 |
| Luke Wadding and Irish diplomatic activity in seventeenth-century Rome | Binasco, Matteo | Article in Journal | | 2016 |
| Luke Wadding, the Irish Franciscans, and global Catholicism | NA | Monograph or Collective Volume | Routledge | 2020 |
| Luxury and austerity, patronage and charity : landlords and a Galway convent in the nineteenth century | Gilmartin, John Maiben | Article in Book | | 1999 |
| Macalla as Cluain-mhac-Noís, A.D. 1050 | Ní Mhaol-Chróin, Caitlín | Article in Journal | | 1954 |
| Mael Brigte mac Tornáin, pluralist coarb (†927) | Dumville, David N. | Article in Journal | | 2004 |
| Mag nEó na Sacsan : an English colony in Ireland in the seventh and eighth centuries | Orschel, Vera | Article in Journal | | 2001 |
| Magdalen Asylums in Ireland, 1880-1930 : welfare, reform, incarceration? | Luddy, Maria | Article in Book | | 2008 |
| Magdalen asylums, 1765-1992 | | Article in Book | | 2002 |
| Maghernacloy Castle and the Hadsors | Manning, Conleth | Article in Book | | 2007 |
| Maigh Eo na Sacsan : Anglo-Saxons in early Christian Mayo | Orschel, Vera | Article in Journal | | 2001 |
| Mainistir le Canonaigh Agaistineacha | Ó Murthuile, Seosamh | Article in Journal | | 1961 |
| Mainistir na Búille. Tús agus turnamh | Mag Riabhaigh, Seán | Article in Journal | | 1994 |
| Mainistir na Tríonóide ró-naofa, Baile Átha Cliath sa 14ú céad | Mac Giolla Phádraig, Brian | Article in Journal | | 1960 |
| Mainistire na Mora : the preceptory of Mora (materials for a history). Part 1-2 | MacCarthy, C. J. F. | Article in Journal | | 1992 |
| Making connections | Vowles, Peggy | Article in Journal | | 2008 |
| Manor House and Mills, Bandon | O'Driscoll, Deirdre | Article in Journal | | 2023 |
| Map of monastic Ireland. | | Monograph or Collective Volume | | 1964 |
| Margaret (1813-1882) | Sheridan, Pat | Article in Journal | | 2018 |
| Marginal figures? Quasi-religious women in medieval Ireland | Ó Clabaigh, Colmán | Article in Book | | 2023 |
| Mariga and her friends | Peck, Carola | Monograph or Collective Volume | Hannon Press | 1997 |
| Marist brothers, 1817-2010 | Canning, B. J. (Bernard J.) | Article in Journal | | 2010 |
| Market houses of Leinster | Curtis, Joe | Monograph or Collective Volume | First Return Press | |
| Markree Castle and the Cooper family | Moore, Sam | Article in Journal | | 2015 |
| Marlay Park transformed | Jupp, Belinda | Article in Journal | | 2002 |
| Martin Burke of the Shelborne Hotel | Neenan, Michael | Article in Journal | | 1994 |
| Marty O'Malley - the spirit of the Irish country house | Hughes, HaroldMunnelly, Tom | Article in Journal | | 1984 |
| Mary Anne O'Brien: How a Limerick City woman established the Convent of Mercy, Newport, Co. Tipperary | Phayer, John | Article in Journal | | 2024 |
| Mary Carbery's West Cork journal, 1898-1901 : or 'from the back of beyond' | Evans-Freke, Mary, Lady Carbery, 1867-1949Sandford, Jeremy | Monograph or Collective Volume | Lilliput | 1998 |
| Mary Delany - a talented Georgian lady | O'Connor, Anne | Article in Journal | | 2015 |
| Mary just missed her 100th birthday | Anonymous | Article in Journal | | 2008 |
| Mason monks at the Augustinian abbey, Fethard, Co. Tipperary | Maher, Denise | Article in Journal | | 1990 |
| Masons marks at Ennis friary sacristy | Kearns, Mary | Article in Journal | | 2001 |
| Master of illusion | Flegg, Eleanor | Article in Journal | | 2005 |
| Mater Admirabilis Day Secondary School in the 1960s | Logue, Rose Mary | Article in Journal | | 2018 |
| Materials for history of Abbey of Assaroe | MacDonagh, J. C. T. | Article in Journal | | 1956 |
| Materials for the history of the Franciscan province of Ireland A.D. 1230-1450 | | Monograph or Collective Volume | Gregg Press | 1967 |
| Materials for the history of the Franciscan province of Ireland, A.D. 1230-1450 | | Monograph or Collective Volume | | 1920 |
| Maurice O'Fihely and the coming of the printed word | Lennon, Colm | Article in Book | | 2013 |
| McConville's Bar, Portadown | McAnallen, Paddy | Article in Journal | | 2012 |
| Mediaeval dwellings at Caherguillamore, Co. Limerick | Hunt, JohnÓ Ríordáin, S. P. | Article in Journal | | 1942 |
| Medieval Augustinian foundations in Britain and Ireland | Kelly, David | Article in Journal | | 2007 |
| Medieval Britain in 1956 | Hurst, J. G.Wilson, David Mackenzie, Sir | Article in Journal | | 1957 |
| Medieval Britain in 1957 | Hurst, J. G.Wilson, David Mackenzie, Sir | Article in Journal | | 1958 |
| Medieval Britain in 1958, pt. 2 : Post-Conquest | Hurst, J. G.Wilson, David Mackenzie, Sir | Article in Journal | | 1960 |
| Medieval Britain in 1959, Pt. 2 : Post-Conquest | | Article in Journal | | 1961 |
| Medieval Britain in 1960, pt. 2 : Post-Conquest | | Article in Journal | | 1962 |
| Medieval Britain in 1961, Pt. 2 : Post-Conquest | Hurst, D. G. | Article in Journal | | 1964 |
| Medieval Britain in 1964 | Hirst, D. G.Wilson, David Mackenzie, Sir | Article in Journal | | 1966 |
| Medieval Britain in 1965, pt. 2 : Post-Conquest | Hurst, D. GillianWilson, David Mackenzie, Sir | Article in Journal | | 1967 |
| Medieval Britain in 1966, pt. 2 : Post-conquest | | Article in Journal | | 1968 |
| Medieval Britain in 1970 | Moorhouse, StephenWilson, David Mackenzie, Sir | Article in Journal | | 1972 |
| Medieval churches | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2017 |
| Medieval Cloncurry | Holton, Karina | Article in Journal | | 1997 |
| Medieval Dominicans and the Irish language | Kearns, Conleth | Article in Journal | | 1960 |
| Medieval Dublin XX | Duffy, Seán | Monograph or Collective Volume | Four Courts Press | 2025 |
| Medieval ecclesiastical buildings in Ireland, 1789-1915 : building on the past | NicGhabhann, Niamh | Monograph or Collective Volume | Four Courts | 2015 |
| Medieval Ennis: Gate houses, laneways and water courses | Ó Dálaigh, Brian | Article in Journal | | 2017 |
| Medieval flooring tile from Greatconnell Abbey, Co. Kildare | Leask, H. G. (Harold G.) | Article in Journal | | 1942 |
| Medieval Fore, County Westmeath | Masterson, Rory | Monograph or Collective Volume | Four Courts | 2014 |
| Medieval hospital system in Breifne | Logan, Patrick | Article in Journal | | 1970 |
| Medieval hospital system in Breifne | Logan, Patrick | Article in Journal | | 1970 |
| Medieval Ireland in Cistercian records | Hennig, John | Article in Journal | | 1950 |
| Medieval Irish Dominican studies | O'Sullivan, Benedict, 1887-1970 | Monograph or Collective Volume | Four Courts | 2009 |
| Medieval Irish Dominican studies | O'Sullivan, Benedict, 1887-1970 | Article in Journal | | 1953 |
| Medieval manuscripts found at Bonamargy friary and other hidden manuscripts | Sharpe, Richard | Article in Journal | | 2015 |
| Medieval Mayo : churches and abbeys | Harbison, Peter, 1939-2023 | Monograph or Collective Volume | Mayo County Council | 2023 |
| Medieval mendicancy : the Franciscan experience in Ireland and Scotland in the nineteenth century | Gallagher, Niav | Article in Book | | 2004 |
| Medieval monasteries in Cork and Waterford | Hurley, Maurice F. | Article in Journal | | 2015 |
| Medieval monastic occupation and post-medieval military activity at Clare Abbey, Co. Clare | Hull, Graham,Jouvert, Sébastien | Article in Book | | 2008 |
| Medieval Navan | Cantwell, Ethna | Article in Journal | | 2011 |
| Medieval religious houses : Ireland. With an appendix to early sites. Foreword by David Knowles | Gwynn, AubreyHadcock, R. | Monograph or Collective Volume | Longmans | 1970 |
| Meiler de Bermingham's tombstone | Rynne, Etienne | Article in Journal | | 1987 |
| Mellifont : from monastery to mansion | Moss, Rachel | Article in Journal | | 2007 |
| Mellifont abbey | Leask, H. G. (Harold G.) | Article in Journal | | 1947 |
| Mellifont Abbey | Stalley, Roger | Article in Journal | | 1980 |
| Mellifont abbey : architecture and history | Stalley, Roger | Article in Book | | 2023 |
| Mellifont abbey : some observations on its architectural history | Stalley, Roger | Article in Journal | | 1975 |
| Mellifont abbey : souvenir and pictorial record, 1157-1957 | Anonymous | Monograph or Collective Volume | Mellifont P. | 1958 |
| Mellifont Abbey in the County of Louth : its rise and downfall | B., K. F.
| Monograph or Collective Volume | Hodges Figgis | 1890 |
| Mellifont Abbey, Co. Louth: a study of its post-dissolution architecture 1540-1727 | Loeber, RolfO'Brien, KevinStout, Geraldine | Article in Journal | | 2016 |
| Memories of Bellevue | Doyle, Peter | Article in Journal | | 2000 |
| Memories of Cliff Castle Hotel, Coliemore Road, Dalkey | Scully, Ann, (née Martin) | Article in Journal | | 2022 |
| Memories of recent Irish Dominicans, 1930-1940 | Dowdall, Raymond M. | Monograph or Collective Volume | Dominican Publications | 1967 |
| Memory, belief and identity : remembering the dead on Iniscealtra, Co. Clare | O'Leary, Clíodhna | Article in Book | | 2015 |
| Mendicant cloisters in Munster | O'Donoghue, Aisling | Article in Book | | 2011 |
| Mendicants on the margins : geographical, social and historiographical margins in the study of medieval and early modern mendicant orders | | Monograph or Collective Volume | Cork University Press | 2024 |
| Mensa in Deserto: reconciling Jonas's Life of Columbanus with recent archaeological discoveries at Annegray and Luxeuil | Bully, SébastienPicard, Jean-Michel | Article in Book | | 2016 |
| Mercy in Cork, 1837-87 | Bolster, M. A. | Monograph or Collective Volume | [s.n.] | 1987 |
| Mercy memory | Doona, Mary Ellen | Article in Journal | | 1997 |
| Mercy unto thousands | Degnan, M. Bertrand | Monograph or Collective Volume | Browne and Nolan | 1958 |
| Metal artefacts from Beaubec, Co. Meath | Scully, Órla | Article in Book | | 2023 |
| Mícheál an Fhásaigh, ‘an saothghlan d’fhuil fhréastaigh’ | Nic Éinrí, Úna | Article in Book | | 2013 |
| Mick Quilligan's | Hannan, Kevin | Article in Journal | | 1987 |
| Mick Quilligan's pub | Crowe, Finbar | Article in Journal | | 1987 |
| Migrating to the mountain state : an Irishman comes to the Greenbrier | Gallagher, Frank | Article in Journal | | 1993 |
| Milburn House and Estate|Over to you [additional material] | Cunningham, Jennifer | Article in Journal | | 2016 |
| Milford Hall, 1950-2000 : golden jubilee | Friel, Sheila | Monograph or Collective Volume | The author | 2000 |
| Milverton Estate. A landscape history | Wenteges, Richard | Article in Journal | | 2006 |
| Miscelanea Structura Curiosa | Chearnley, Samuel | Monograph or Collective Volume | Churchhill House Press | 2005 |
| Miscellanea 1 : an account book of Shee's alms house, Kilkenny | Ó Fearghail, Fearghus | Article in Journal | | 2008 |
| Miscellanea : an unhappy experience in Cruise's Hotel | Irwin, Liam | Article in Journal | | 2000 |
| Miscellanea : Geraldine Coat of Arms rediscovered at Adare Franciscan Friary | O'Rahilly, Celie | Article in Journal | | 2003 |
| Miscellanea : The Knights Templar House in Limerick city | Hodkinson, Brian | Article in Journal | | 2003 |
| Miscellanea, an illustration of Confey Castle, Co. Kildare | Manning, Conleth | Article in Journal | | 2001 |
| Miscellanea, some features uncovered at Seapoint Martello Tower, Co. Dublin | Corlett, Christiaan | Article in Journal | | 2001 |
| Miscellanea. William Lawson's 'A New Orchard and Garden' (1618) and an early eighteenth-century depiction of Sir John Everard's mansion in Fethard, Co. Tipperary | O'Keeffe, Tadhg | Article in Journal | | 2011 |
| Miscellaneous documents, 1588-1715 | NA | Article in Journal | | 1950 |
| Miss Smith comes to Tipperary | Girouard, Mark | Article in Book | | 1992 |
| Mission in an era of change : The Columbans, 1963-2014 | Ó Murchú, Pádraig | Monograph or Collective Volume | Red Hen Publishing | 2014 |
| Missionary Activity and Religious Houses | Binasco, Matteo ; Thomas, Hannah | Article in Book | Oxford University Press | 2023 |
| Missionary sisters of St Columban | Fairbairn, Margaret | Article in Journal | | 1947 |
| Missions and missionaries | Conlan, Patrick, 1940- | Article in Book | | 2009 |
| Modernising an Irish country house | Girouard, Mark | Article in Book | | 1992 |
| Molahiff House | Bary, Valerie | Article in Journal | | 1998 |
| Molaise : abbot of Leighlin and hermit of Holy Isle : the life and legacy of Saint Laisren in Ireland and Scotland | Kenny, Colum | Monograph or Collective Volume | Morrigan Books | 1998 |
| Monachisme et civilisation mérovingienne dans le nord de la France | Lestocquoy, Jean | Article in Book | | 1951 |
| Monalty House, Carrickmacross, Co. Monaghan | Hughes,Alan | Article in Journal | | 2022 |
| Monasterboice : secrets from the air | Murphy, Donald | Article in Journal | | 1993 |
| Monasterboice and its monuments | Roe, Helen M. | Monograph or Collective Volume | County Louth Archaeological and Historical Society | 1981 |
| Monasterboice and its monuments | Roe, Helen M. | Monograph or Collective Volume | County Louth Archaeological and Historical Society | 1993 |
| Monasterevan House | Ryan, Eileen | Article in Journal | | 1965 |
| Monasteries and society in the British Isles in the later middle ages | | Monograph or Collective Volume | Boydell | 2008 |
| Monasteries on the great royal highway from Tara | Fenton, James | Article in Journal | | 1939 |
| Monastery and priory | Hasson, Seamus | Article in Journal | | 1983 |
| Monastic dissolution in Co. Wexford: social, economic and religious consequences, 1540-1641 | Kavanagh, Deirdre Martina | Thesis | | 1990 |
| Monastic ecclesial reforms and its impact on the early development of the Irish churches | Ocampo-Gooding, Sonya | Article in Journal | | 2009 |
| Monastic Europe : medieval communities, landscapes and settlement | | Monograph or Collective Volume | Brepols | 2019 |
| Monastic exiles in Ireland | Fennelly, William | Article in Book | | 2005 |
| Monastic Ireland AD 1100-1700: new directions | Bhreathnach, Edel | Article in Journal | | 2015 |
| Monastic Life in Early Medieval Ireland | Scully, Diarmuid | Chapter in Book | | 2022 |
| Monastic life in the medieval British Isles : essays in honour of Janet Burton | | Monograph or Collective Volume | University of Wales Press | 2018 |
| Monastic property in 17th-century Ireland | Brady, John, d.1963 | Article in Journal | | 1951 |
| Monastic schools in Ireland and Northumbria before A.D.750 | McNamara, Martin | Article in Journal | | 1990 |
| Monastic sites in ancient Ossory : an archaeological view | Brennan, James | Article in Journal | | 1995 |
| Monastic voyaging and the 'Navigatio' | Wooding, Jonathan M. | Article in Book | | 2000 |
| Monastica et onomastica | Byrne, Francis John, 1934- | Article in Journal | | 1983 |
| Monasticism in Ireland, AD 900-1250 | Bhreathnach, Edel | Monograph or Collective Volume | Four Courts Press | 2024 |
| Monasticon Hibernicum, or, A history of the abbies priories and other religious houses in Ireland | Archdall, Mervyn | Monograph or Collective Volume | | 1786 |
| Monasticon Praemonstratense. 3 vols. | Backmund, Norbert | Monograph or Collective Volume | | 1949 |
| Mönchtum und Busse|Monastic rules and penance | Schnoor, Franziska | Article in Book | | 2018 |
| Monks and civilization from the barbarian invasions to the reign of Charlemagne | Décarreaux, JeanHaldane, Charlotte | Monograph or Collective Volume | Allen & Unwin | 1964 |
| Monks, Kings, and the Transformation of Sanctity : Jonas of Bobbio and the End of the Holy Man | Diem, Albrecht | Article in Journal | | 2007 |
| Monksgrange : the home of Mr and Mrs Richards-Orpen | O'Callaghan, John | Article in Journal | | 1968 |
| Monster and monastery : St Kevin's Lives and the expansion of Glendalough | Lacey, Brian | Article in Book | | 2011 |
| Montreal's Grey Nuns, the Great Hunger migration and the miracle of Rose's marble | King, Jason | Article in Book | | 2021 |
| Montrose House and the Jameson family in Dublin and Wexford | Warren, Stanley | Article in Journal | | 2007 |
| Moore Hall papers : a chapter | Hone, Joseph Maunsell, 1882-1959 | Article in Journal | | 1939 |
| Moorstown castle : a neglected tower house near Clonmel | Wallace, Leo | Article in Journal | | 1989 |
| More place-names of mid-Limerick | Cantwell, D. | Article in Journal | | 1955 |
| More printed items from the Wadding Papers (FLK MSS D 1-2, and others) | Fennessy, Ignatius | Article in Journal | | 1999 |
| Moreen: From the Pale to Markievicz to the Central Bank | Van Turnhout, Michael | Article in Journal | | 2017 |
| Moriarty's wonderful saloon | Beebe, Lucius | Article in Journal | | 1965 |
| Morrisown Lattin, County Kildare, 1630–1800 the estate and its tenants | Lyons, Emma | Monograph or Collective Volume | Four Courts Press | 2020 |
| Morristown Lattin | Sheehy, Margaret | Article in Journal | | 1967 |
| Most ingeniously created | Davies, Mary | Article in Journal | | 2005 |
| Mother Butler of Marymount | Burton, Katherine | Monograph or Collective Volume | Longmans | 1944 |
| Mother Kevin | Ó Cléirigh, Noel | Article in Journal | | 1985 |
| Mother Mary Aikenhead | Doolan, Aegidius | Article in Journal | | 1958 |
| Mother Mary Aikenhead | MacDonagh, Hilary | Article in Journal | | 1958 |
| Mother Mary Arsenius of Foxford | Gildea, Denis J., 1882-
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| Motte castles in Ireland : permanent fortresses, residences and manorial centres | O'Conor, Kieran Denis | Article in Journal | | 2000 |
| Mount Anville Primary School and the Sacred Heart Order | Kelly, Muirghen O'Reilly | Article in Journal | | 2024 |
| Mount Ievers Court, Sixmilebridge, Co. Clare | Costello, Gerard G. | Article in Journal | | 2016 |
| Mount Ievers Court, Sixmilebridge, Co. Clare | Costello, Gerard G. | Article in Journal | | 2016 |
| Mount Ievers, or Ballyarilla Castle | Breen, MartinUa Cróinín, Risteárd | Article in Journal | | 2017 |
| Mount Juliet | Kirwan, John | Article in Journal | | 1998 |
| Mount Juliet, Kilmurry and the Carricks | Butler, Hubert | Article in Journal | | 1987 |
| Mount Mellary seminary | Ó Maidín, Uinseann | Article in Journal | | 1999 |
| Mount Melleray | Dempsey, Anthony | Article in Journal | | 1940 |
| Mount Merrion House | Flanagan, Bonnie | Article in Journal | | 2010 |
| Mount Saint Joseph before the monks' day : Ballyskenagh to Mount Heaton. O'Carroll - Heaton - Armstrong, 1592-1818 | Walsh, Laurence | Article in Book | | 2007 |
| Mount Stewart, Co. Down | Hyde, Harford MontgomeryJackson-Stops, Gervase | Monograph or Collective Volume | National Trust | 1978 |
| Mountcashel tower house and its colourful inhabitants throughout history | O'Brien, John | Article in Journal | | 1978 |
| Mountlong Castle, Mountlong, Co. Cork | Byrne, Stephen | Article in Journal | | 2018 |
| Mountshannon house and the Fitzgibbons | Gurnett, Carole | Article in Journal | | 1984 |
| Mourne Abbey : a sense of history | Kavanagh, John J. | Article in Journal | | 1989 |
| Mourne Grange 1700-1978 : a house and its people | Irvine, H. S. | Monograph or Collective Volume | Mourne Grange Village Association | 1980 |
| Moville abbey | Davies, Oliver | Article in Journal | | 1945 |
| Moving towards the formal house: room usage in early modern Ireland | Fenlon, Jane | Article in Journal | | 2011 |
| Moyne and Rosserk : ways of being Fransician in the late medieval period | McDermott, Yvonne | Article in Journal | | 2017 |
| Mrs Bellew's family in Channel Row | Genevieve, Mary, Sr | Article in Journal | | 1968 |
| Muckross : the view from downstairs : some oral traditions and social history | Ní Fhloinn, Bairbre | Article in Book | | 2001 |
| Muckross House Killarney | O'Hare, Patricia | Monograph or Collective Volume | Dúchas, the Heritage Service | 1998 |
| Muire gan Smál – Presentation Primary school ; a celebration of 50 years of education at Muire gan Smál Presentation school, Castleisland, 1966-2016 | | Monograph or Collective Volume | | 2016 |
| Mulligan's : grand old pub of Poolbeg Street | Dunne, Declan | Monograph or Collective Volume | Mercier Press | 2015 |
| Münster und Radfeld : Irisch-keltische missionsposten? | Mayer, Martin | Article in Journal | | 1953 |
| Murder in a Dublin monastery, 1379 | Martin, F. X. (Francis Xavier), 1922-2000 | Article in Book | Galway University Press | 1988 |
| Murrisk abbey, Co. Mayo | Leask, H. G. (Harold G.) | Article in Journal | | 1943 |
| Murrisk Friary : a late medieval house of the Augustinian Friars | McDermott, Yvonne | Article in Journal | | 2008 |
| Music and the Church | | Monograph or Collective Volume | Irish Academic Press | 1993 |
| Music in ancient Munster and monastic Cork | Fleischmann, Aloys, 1910-1992Gleeson, Rita | Article in Journal | | 1965 |
| Musings on Lisnavagh from The Irish Farmers' Gazette, 1857 and Lord Rathdonnell | Bunbury, Turtle | Article in Journal | | 2019 |
| My ancestral home - Marlay Park | Taylor, Serina | Article in Journal | | 1993 |
| My life at lighthouses | O'Sullivan, Rita | Article in Journal | | 2004 |
| My years on the lightships | Synnott, Mark | Article in Journal | | 2000 |
| Na Bráithre Críostaí i gCorca Dhuibhne : a scéal | | Monograph or Collective Volume | An Sagart | 2000 |
| Na Colmbánaigh, 1963-2005 | Ó Murchú, Pádraig | Monograph or Collective Volume | Foilseacháin Ábhair Spioradálta | 2005 |
| Na mainistreacha agus an léann | Ó Cróinín, Dáibhí | Article in Book | | 1982 |
| Na manaigh liatha in Éirinn, 1142-c.1600 | Mac Niocaill, Gearóid | Monograph or Collective Volume | Cló Morainn | 1959 |
| Nancy Synott, Ashford House 1935-73 | Duignan, Niall | Article in Journal | | 1993 |
| Nano Nagle (1718-1784): Educator | Clear, Caitriona | Article in Journal | | 2009 |
| Nano Nagle (and other women) in Hobart Cathedral | Larkin, Felix M. | Article in Journal | | 2018 |
| Nano Nagle - an unconventional woman | Castle, JessieO'Brien, Gillian | Article in Journal | | 2018 |
| Nano Nagle : undaunted daughter of desires | Walsh, T. J. (Thomas Joseph) | Article in Journal | | 1976 |
| Nano Nagle : woman of the gospel | O'Farrell, Mary Pius | Monograph or Collective Volume | Cork Publishing for the Sisters of the Presentation of the Blessed Virgin Mary | 1996 |
| Nano Nagle and Catholic Cork : 1718-1784 | O'Farrell, Mary Pius | Article in Book | | 2005 |
| Nano Nagle and the Presentation Sisters | Walsh, T. J. | Monograph or Collective Volume | Gill | 1959 |
| Navan: the Earl of Essex, Baroness de Ros and the Crown lands of the early nineteenth century | O'Neill, Timothy P.
| Article in Journal | | 2022 |
| Navigatio Sancti Brendani : some possible connections with liturgical, apocryphal and Irish tradition | McNamara, Martin | Article in Book | | 2006 |
| Necessary collaborations : religious women and lay communities in medieval Ireland c.1200-1540 | Hall, Dianne | Article in Book | | 2004 |
| Negotiating religious change and conflict : female religious communities in early modern Ireland, c.1530-c.1641 | McShane, Bronagh Ann | Article in Journal | | 2017 |
| Nenagh. The story of Nenagh convent, Sisters of Mercy | Anonymous | Article in Journal | | 1953 |
| Neptune on the Temple Hill | Butler, Katherine | Article in Journal | | 1985 |
| Neue Beobachtungen zum missionswerk Columbans des Jüngeren : 3, Columban in Bregenz | Blanke, Friedrich | Article in Journal | | 1954 |
| Neue Erkenntnisse zur Entstehung und Überlieferung des Magnum Legendarium Austriacum [ New light on the origins and transmission of the Magnum Legendarium Austriacum] | Ó Riain, Diarmuid | Article in Journal | | 2020 |
| Neueste archäologische Untersuchungen im Schottenkloster | Codreanu-Windauer, Silvia | Article in Book | | 2005 |
| New Abbey of Kilcullen | Fitzgerald, Walter, Lord | Article in Journal | | 1902 |
| New horizons: the Sisters of St. Louis in a changing world | O'Donoghue, Jo | Monograph or Collective Volume | Londubh | 2012 |
| New investigations at Liathmore-Mochoemog (Leigh) | Holmes, William J.McKevitt, Peter | Article in Journal | | 1970 |
| New light in Castletown | Thorpe, Ruth | Article in Journal | | 2010 |
| New light on Ballyfin and the mysterious Dominick Madden, Part 1 | McCarthy, PatriciaMulligan, Kevin | Article in Journal | | 2005 |
| New light on Castletown, Co. Kildare | Knight of Glin, 1937- | Article in Journal | | 1965 |
| New light on St Mary's 'Abbey', Louth | Harbison, Peter | Article in Journal | | 1973 |
| New light on the history of St Mary's Priory, Rosscarbery | Ó Riain, Diarmuid | Article in Journal | | 2008 |
| New survey of Clare Island, Vol. 4 : the abbey | | Monograph or Collective Volume | Royal Irish Academy | 2005 |
| New survey of Clare Island, vol. 5 : archaeology | | Monograph or Collective Volume | Royal Irish Academy | 2007 |
| Newberry Hall, Carbury, Co. Kildare - a country house and its people | Robinson, James | Article in Journal | | 2008 |
| Newberry Hall, Carbury, Co. Kildare. An Irish country house and the people | Robinson, James | Article in Journal | | 2008 |
| Newcastle House and estate, Enniskeen parish in Morgallion barony | Crinion, Mairéad | Article in Journal | | 2012 |
| Newly recorded figurative carvings on Tower Houses in county Limerick | Sherlock, Rory | Article in Journal | | 2004 |
| Newman House and University Church | Curran, Constantine Peter | Monograph or Collective Volume | University College | 1953 |
| Newman House. History and Associations | Igoe, Vivien | Article in Journal | | 2022 |
| Newman, Faber and the oratorian separation : a reappraisal | Quinn, John F. | Article in Journal | | 1990 |
| Newmarket court (1725-1994) | Duhallow Heritage Project | Monograph or Collective Volume | Duhallow Heritage Project | 1994 |
| Newpark House and the Mahon family | Barron, Declan | Article in Journal | | 2019 |
| News from Rome, 1691 : books and friars | Fennessy, Ignatius | Article in Journal | | 1999 |
| Nicholas Archbold OFMCap : the small man with the big nose | McCafferty, John | Article in Book | | 2013 |
| No longer strangers in a strange land | Haines, Keith | Article in Journal | | 2006 |
| Norman splendour : Duiske Abbey, Graignamanagh | Carvill, G. | Monograph or Collective Volume | Blackstaff Press | 1979 |
| Norman splendour : Duiske abbey, Graignamanagh | Carville, Geraldine | Monograph or Collective Volume | | 1979 |
| Norman times. Bridgetown Priory of the Canons of St Victor (Beate marie virginis de Villa Pontis, ordinis sancti Augustini clonensis diocesis) | McCarthy, C. J. F. | Article in Journal | | 1994 |
| Northumbria and Ireland | Cramp, Rosemary | Article in Book | | 1986 |
| Northumbria and Ireland | Cramp, Rosemary | Article in Book | | 1992 |
| Not only a 'Hibernese' in the Urbs ; Luke Wadding and his entourage in seventeenth-century Rome | Binasco, Matteo | Article in Book | | 2020 |
| Notable houses in Eighteenth and Nineteenth Century Milltown | Salmon, Patrick | Article in Journal | | 2022 |
| Notable milestones for Sister Veronica | | Article in Journal | | 2011 |
| Notes and Documents. Launch of 'A People's Church' by Liam Swords, St Nathy's College, Ballaghaderreen, 28 February 2014 | Ó Muraile, Nollaig | Article in Journal | | 2014 |
| Notes and Queries.The garden at Palmerstown House, Johnstown, Naas, home of Dermot earl of Mayo | Bourke-Borrowes, Kildare | Article in Journal | | 2013 |
| Notes d'hagiographie celtique, 48 : Les noms d'Adomnán et de Brendan | Grosjean, Paul | Article in Journal | | 1960 |
| Notes for further research: through an Irish lens. Viewing the history of Canadian women religious | Smyth, Elizabeth | Article in Journal | | 2006 |
| Notes on a forgotten county Waterford religious house | Power, Thomas | Article in Journal | | 1978 |
| Notes on Latin learning and literature in medieval Ireland | Esposito, M. | Article in Journal | | 1937 |
| Notes on Mosstown House, Kenagh Its sieges, the Newcomens, Kingstons and a tombstone in Bath, England | English, Norman William | Article in Journal | | 1969 |
| Notes on some big houses in the parish of Rathmore | Ó Duinnín, Pádraig | Article in Journal | | 1989 |
| Notes on some inns in the Upper Ards | Nihill, J. J. | Article in Journal | | 1981 |
| Notes on the architectural features of a number of east Clare tower houses | Sherlock, Rory | Article in Journal | | 1997 |
| Notes on the land-grant of John, Lord of Ireland, to the Cistercians of Mainister an Enaigh (de Magio), county Limerick | Fitzgerald, M. J. | Article in Journal | | 1953 |
| Notes on the persons named in the obituary book of the Franciscan monastery at Galway (continued) | Blake, Martin J. | Article in Journal | | 1911 |
| Notes on the topography of early monastic Clonmel | Hickey, Elizabeth | Article in Journal | | 1995 |
| Notes sur les origines de la paroise de St-Colombin (Loire-Inférieure) | Manceron, P. | Article in Book | | 1951 |
| Notices sur les établissements religieux anglais, écossais et irlandais fondés à Paris avant la Révolution | Daumet, Georges | Article in Journal | | 1912 |
| Nunneries in Ireland in the middle ages: an archaeological overview | Collins, Tracy | Article in Journal | | 2013 |
| Nuns in the Catholic church in Ireland in the nineteenth century | Fahey, Tony | Article in Book | | 1987 |
| Nuns on the periphery? Irish Dominican nuns and assimilation in Lisbon | Knox, Andrea | Article in Book | | 2015 |
| O'Connell, Genova e il Collegio Irlandese | Hanley, Jean | Article in Book | | 1990 |
| O'Dempseys in Offaly, some references in an Elizabethan document | Goode, P.J. | Article in Journal | | 2006 |
| O'Reilly's regulations on booze, boarding houses, and billiards | Holmes, Jack D. L. | Article in Journal | | 1965 |
| Oak Park : people, place and politics | Delaney, Catherine J. | Monograph or Collective Volume | Catherine J Delaney | 2018 |
| Obelisk Park | Goodbody, Rob | Article in Journal | | 1999 |
| Obituary. Fr Benignus Millett, OFM, 1922-2006 | Anonymous | Article in Journal | | 2006 |
| Observations on the Conception of Architecture and its Realization in the Medieval Period: The Kailasanatha at Ellora | Draper, Peter | Article in Book | | 2021 |
| Occupants of Ormond houses in Clonmel 1641, and twenty years later | Anonymous | Article in Journal | | 1978 |
| Of Saxons, a Viking and Normans : Colmán, Gerald and the monastery of Mayo | Ní Mhaonaigh, Máire | Article in Book | | 2009 |
| Oh, brother! From RAF to Franciscan brother | McLaughlin, Terry | Article in Journal | | 2006 |
| Old Blarney (special issue on the Sisters of Charity in Blarney 1892-1990) | Mulcahy, J. | Article in Journal | | 1991 |
| Old country houses : two comments | Lysaght, P. B.Rynne, Etienne | Article in Journal | | 1994 |
| Old dwellings of distinction:Cambo Castle; Woodbrook, Holywell; Cloongownagh; Danesfort; Cuiltyoneen; Springfield | Keenehan, John | Article in Book | | 2006 |
| Old inn-signs : the Ragwell near Clonmel | Lyons, Patrick, 1861-1954 | Article in Journal | | 1946 |
| Old Ireland and her monasticism | O'Sullivan, Jeremiah F. | Article in Book | | 1965 |
| Old Ireland over here | Harrison, Jennifer | Article in Book | | 1999 |
| Old Ireland, her scribes and scholars | McNally, Robert | Article in Book | | 1965 |
| Old Leighlin monastery and cathedral, 5th to 15th century | Feeley, Joseph M.Sheehan, J. | Article in Journal | | 2003 |
| Old St Saviour's priory (Dominican). O'Keefe family chalice : early 17th century. The religious orders in the city of Limerick. Roll of honour. Diocesan clergy of the city 1641-51. List of religious in Limerick, 1641-51. Mayors and sheriffs of Limerick from the Confederation of Kilkenny to the restoration of Charles II. Analecta Limericensia (i) : conditions in Limerick diocese, report to Holy See, 1649 | | Article in Book | | 1951 |
| On a fertile rock : the Cistercian abbey of Corcomroe | MacMahon, Michael | Monograph or Collective Volume | Kincora Press | 2000 |
| On the temporalities of the Augustinian abbey of St Mary the Virgin, Cong, Co. Mayo | Ó Duígeannáin, Mícheál | Article in Journal | | 1938 |
| Once a brother : an Irish Christian Brother's story | Power, Patrick C. | Monograph or Collective Volume | Appletree | 2008 |
| Once a soldier : Brother Aloysius J. Howlin, papal zouave and patrician brother | Walker, Linus H. | Monograph or Collective Volume | Patrician Brothers | 1977 |
| One hundred years of orchestral playing in the Mercy | Sisters of Mercy | Article in Journal | | 2012 |
| Orchids to orange lilies: Moira Castle, Co. Down 1689-1799 | McFarland, DavidReid, Horace | Article in Journal | | 2010 |
| Oriental eremitical motifs in the Navigatio Sancti Brendani | Fagnoni, Anna Maria | Article in Book | | 2006 |
| Original charter granted by John, lord of Ireland, to the abbey of Mellifont | NA | Article in Journal | | 1846 |
| Ormeau House | Maguire, W. A. (William Alexander) | Article in Journal | | 1979 |
| Orrs of Keely and Millburne | Gilmore, George | Article in Journal | | 2015 |
| Óstaí, Tábhairní agus Síbíní | Mac Craith, Nioclás | Article in Journal | | 2009 |
| Our ancient ruined churches | Power, P. | Article in Journal | | 1951 |
| Our Hebridean cousins and their Irish apostles | Brown, Stephen | Article in Journal | | 1943 |
| Our Irish ancestry : American Augustinians, the heirs of Rome and Ireland | Roland, Thomas F. | Article in Book | | 1956 |
| Our Lady's Hospice, Harolds Cross | Butler, Katherine | Article in Journal | | 1981 |
| Owners and occupiers of Ballymore Castle | Larkin, Patrick | Article in Journal | | 2022 |
| Owners and tenants of Seville Lodge | O'Dwyer, Michael | Article in Journal | | 2022 |
| Pádraigín an Doiminiceach as Caiseal Mumhan | Valkenburg, Augustine | Article in Book | | 1986 |
| Painting Ireland : topographical views from Glin Castle | | Monograph or Collective Volume | Churchill House Press | 2006 |
| Painting Mayo's landscape : the big house, the pleasure grounds and the mills | Kreilkamp, Vera | Article in Book | | 2003 |
| Paintings at Adare 'abbey', County Limerick | Westropp, Thomas Johnston | Article in Journal | | 1915 |
| Palace Anne, Co. Cork | Conner, H. L. | Article in Journal | | 1957 |
| Papers at Petworth House | Mac Lochlainn, Alf, 1926- | Article in Journal | | 1966 |
| Papers of Richard Joachim Hayes, O. F. M., 1810-24, in Franciscan library, Killiney : Part 1, 1810-15; Part 2, Oct-Dec 1815 | Giblin, Cathaldus | Article in Journal | | 1982 |
| Papers of Richard Joachim Hayes, OFM, 1810-1824, in the Franciscan Library, Killiney : part 8, August-December 1817 | Giblin, Cathaldus | Article in Journal | | 1988 |
| Papers relating to Meelick friary, 1644-1731 | Giblin, Cathaldus | Article in Journal | | 1974 |
| Paradise lost | Gilmore, Hilary | Article in Journal | | 1979 |
| Parnell and his neighbours | Foster, R. F. (Robert Fitzroy) (Roy), 1949- | Article in Book | | 1994 |
| Passage or Barrier ? Communication between bawn and tower house in Late Medieval Ireland – the evidence from County Limerick | Donnelly, Colm J. | Article in Journal | | 2002 |
| Past and present : the Presentation Convent and Tullow Street | Byrne, Annie C. | Article in Journal | | 1999 |
| Patrician Academy, 125 years | Forde, Robert | Article in Journal | | 2004 |
| Patrick Carragher and Patrick Martin, innholder and brewer, Dundalk, EA 1800's | Anonymous | Article in Journal | | 1984 |
| Patritiusverehunrung im Burgenland und in den angrenzenden Gobieten von Niederösterreich und Steiermark | Schmidt, Leopold | Article in Journal | | 1962 |
| Patron and architect : an example of relations in the late 18th century | | Article in Journal | | 1961 |
| Patronage of the Knights Hospitaller in Britain and Ireland, 1291-1400 | MacLellan, Rory | Thesis | | |
| Patronage, prestige and politics : the Observant Franciscans at Adare | Ó Clabaigh, Colmán N. | Article in Book | | 2008 |
| Peace pays a price : a study of Margaret Anna Cusack the nun of Kenmare | Vidulich, Dorothy A. | Monograph or Collective Volume | Sisters of St Joseph of Peace | 1990 |
| Peace pays a price : a study of Margaret Anna Cusack, foundress of the Sisters of St Joseph of Peace | Vidulich, Dorothy A. | Monograph or Collective Volume | Centre for Peace and Justice | 1975 |
| Perennial splendour | Bowe, Patrick | Article in Journal | | 2004 |
| Petra Fertilis : the uncertain history of the Cistercian church at Corcomroe | Stalley, Roger | Article in Book | | 2004 |
| Petrographical report on the stone axehead from Bey More, Co. Meath | Mandal, Stephan | Article in Book | | 2023 |
| Petworth House archives : catalogue, Vol. 2 | McCann, Alison | Monograph or Collective Volume | West Sussex County Council | 1980 |
| Pictures, engravings, sacred vessels : St Mary on the Hill priory : listed in House Chronicle July 1st 1924 | Anonymous | Article in Book | | 1991 |
| Picturesque moments at Powerscourt : issues in estate management for a burgeoning touring population | O'Reilly, Seán | Article in Book | | 1998 |
| Picturesque retreats | Davies, Mary | Article in Journal | | 2001 |
| Piety and politics : funerary sculpture in Cashel, c. 1500-1640 | Moss, Rachel | Article in Book | | 2011 |
| Pilgrimage to Heaven : eschatology and monastic spirituality in early medieval Ireland | Ritari, Katja | Monograph or Collective Volume | Brepols | 2018 |
| Place and mentalité : the 'big house' and its locality in county Tyrone | Proudfoot, Lindsay J. | Article in Book | | 2000 |
| Plant macrofossils from Beaubec, Co. Meath | Johnston, Penny | Article in Book | | 2023 |
| Plantation and the manor of Pellipar | Hasson, Seamus | Article in Journal | | 1998 |
| Plantation and the manor of Pellipar, part 2 | Hasson, Seamus | Article in Journal | | 1999 |
| Plantation and the manor of Pellipar, part 3 | Hasson, Seamus | Article in Journal | | 2000 |
| Poems from BL MS Harley 913 : 'The Kildare Manuscript' | | Monograph or Collective Volume | Oxford University Press for the Early English Text Society | 2015 |
| Pons Novus, villa Willielmi Marescalli : New Ross, a town of William Marshal | Ó Drisceoil, Cóilín | Article in Book | | 2017 |
| Poor Clares, Galway, 1642-1992 | O'Brien, Celsus | Monograph or Collective Volume | Poor Clares | 1992 |
| Port Hall | Mahaffy, Belinda | Article in Journal | | 2015 |
| Portobello Hotel | Delaney, Ruth | Article in Journal | | 1974 |
| Portraits of Irish houses | Crookshank, Anne | Article in Journal | | 1963 |
| Portumna in context: the setting of the early seventeenth-century house | Henderson, Paula | Article in Book | | 2012 |
| Portumna priory | MacMahon, Michael | Monograph or Collective Volume | The author | 1978 |
| Portumna: a great, many-windowed and gabled house | Fenlon, Jane | Article in Book | | 2012 |
| Portumna: ultramarine ancestors and cousins | Gomme, Andor | Article in Book | | 2012 |
| Possessions of the Knights Hospitallers in Taghmon | Martin, Michael | Article in Journal | | 2003 |
| Post-medieval Britain in 1969 | Hurst, D. G. | Article in Journal | | 1971 |
| Posterity and posteriors at Mount Stewart | Haines, Keith | Article in Journal | | 2002 |
| Pottery from Beaubec, Co. Meath | Meenan, Rosanne | Article in Book | | 2023 |
| Pour une réévaluation du rôle et du statut de l'évêque dans l'Irlande du haut moyen âge | Picard, Jean-Michel | Article in Journal | | 2002 |
| Powerscourt and Enniskerry : the architectural development of an estate | Sheehy, J. | Article in Book | | 1992 |
| Prayer, penance and the Passion of Christ : the iconographic programme of the Franciscan friary at Ennis, Ireland | Krasnodebska-D’Aughton, Malgorzata | Article in Journal | | 2016 |
| Prayer, politics and poetry : Cambridge, Corpus Christi College MS 405 and the Templars and Hospitallers at Kilbarry, Co. Waterford | Ó Clabaigh, Colmán N. | Article in Book | | 2015 |
| Pre-reformation church and monastic sites in the barony of Bunratty Lower, c.500 A.D. - 1500 A. D. | Ryan, Gerrard | Article in Journal | | 1985 |
| Preaching in late-medieval Ireland : the Franciscan contribution | Ó Clabaigh, Colmán N. | Article in Book | | 2001 |
| Preface | Doran, Linda | Article in Book | | 2011 |
| Preliminary report on archaeological work in the River Quaile at Inch abbey, 1991-2 | Foley, Claire | Article in Journal | | 1994 |
| Presentation Convent Rahan, Tullamore : a celebration of 175 years of service | | Monograph or Collective Volume | Esker Press for Offaly Historical and Archaeological Society | 1995 |
| Presentation convent, Thurles, 1817-1917 | Liguiro, M. | Article in Book | | 1989 |
| Presentation convents in county Tipperary 1806-1900 | Luddy, Maria | Article in Journal | | 1992 |
| Presentation Sisters Durrow : a record of 84 years | Byrne, Oliver | Monograph or Collective Volume | Presentation Sisters | 1998 |
| Priests' residences in later medieval Ireland | Bermingham, Helen | Article in Book | | 2006 |
| Primate Robinson and Rokeby Hall Estate | Young, Jean | Article in Journal | | 2016 |
| Principle houses in the parish of Barryroe | O'Dwyer, Margaret | Monograph or Collective Volume | Independently published - Margaret O'Dwyer | 2022 |
| Printing in the vernacular : the Louvain project | Mac Craith, Mícheál | Article in Journal | | 2007 |
| Priors of St. John's Kilkenny | Bradley, John, 1954-2014 | Article in Journal | | 2005 |
| Priory of St Leonard, Dundalk | Curran, Arthur | Article in Journal | | 1971 |
| Proceedings in the matter of the custom called tolboll, 1308 and 1385 : St Thomas' abbey v. some early Dublin brewers, &c. | Berry, H. F. | Article in Journal | | 1910 |
| Prolegomena to a reappraisal of early Christianity in Man relative to the Irish Sea Province | Shaw, R. Cunliffe | Article in Journal | | 1967 |
| Property of a gentleman : the library at Annaghmakerrig | Donlon, Pat | Article in Journal | | 1987 |
| Property ownership at Grennan and Jerpoint Abbey, 1711-1826 | Hoyne, Liam | Article in Journal | | 2003 |
| Prosopographica Glindelechensis : the monastic church of Glendalough and its community sixth to thirteenth centuries | Mac Shamhráin, Ailbhe | Article in Journal | | 1989 |
| Provincial rivalries in eighteenth-century Ireland : an Irish Augustinian document | | Article in Journal | | 1972 |
| Published work of John Hunt | Harbison, Peter | Article in Journal | | 1978 |
| Pulp facts and core fictions : translating a cathedral from Aghaboe to Kilkenny | Bradley, John, 1954-2014 | Article in Book | | 2015 |
| Putting women in order: A comparison of the medieval women religious of Ballymore-Loughsewdy and Prémontré | Seale, Yvonne | Article in Book | | 2023 |
| Quaker assets of the Carlow Meeting, Ireland: Part 1: Meeting Houses, meeting places and tenements located at Newgarden and in the town of Carlow|Part 2: Meeting places at Athy, Castledermot and Ballytore|Part 3: Burial grounds | Coutts, Peter | Article in Journal | | 2019 |
| Quo vadis? Mapping the Irish 'monastic town' | Clarke, Howard B. | Article in Book | | 2013 |
| Rahan monastic site : a conservation plan | Howley Hayes Architects | Monograph or Collective Volume | Offaly County Council | 2008 |
| Rahan parish, County Offaly : the O'Brien-Sherlock estate and the founding of the Presentation Convent | Byrne, Michael | Article in Journal | | 2018 |
| Raiding and warring in monastic Ireland | Fitzpatrick, Liz | Article in Journal | | 1993 |
| Raising Dublin, raising Ireland : a friar's campaigns : Father John Spratt, O.Carm. (1796-1871) | D'Arcy, Fergus A. | Monograph or Collective Volume | Irish Province of Carmelites | 2018 |
| Rathbeale hall | Barrett, Evelyn | Article in Journal | | 1994 |
| Rathbeale Hall, Swords, Co. Dublin | Peck, Carola | Article in Journal | | 1973 |
| Rathfarnham Castle, Rathfarnham, Co. Dublin. | Lyons, Muirne | Article in Journal | | 2019 |
| Rathgoggan's lovely land and the old lore of Saunders' Park | Meagher, Jim | Article in Journal | | 1988 |
| Rathmore - its place in the history of Irish monasticism | Justice, Cornelius | Article in Journal | | 1980 |
| Raths and ruins : a survey of raths, souterrains, crannogs and ecclesiastical sites extinct and extant in the south Derry area | | Monograph or Collective Volume | Moyola Books | 1990 |
| Reading between the lines of Mother Aikenhead's letters | Purcell, Mary | Article in Journal | | 1958 |
| Reapers of the harvest : the Redemptorists in Great Britain and Ireland, 1843-1898 | Sharpe, John | Monograph or Collective Volume | [s.n.] | 1989 |
| Rebels with a cause : obedience, resistance and convent life, 1800–1940 | Raftery, Deirdre | Article in Journal | | 2013 |
| Rebuilding the 'city of angels' : Muirchertach Ua Briain and Glendalough, c.1096-1111 | Ó Carragáin, Tomás | Article in Book | | 2010 |
| Recent collapse of Urlanmore tower house | Ua Cróinin, Risteárd | Article in Journal | | 1999 |
| Recent discoveries at Down cathedral and Quoile Castle. An interim report | Brannon, N. F. (Nick) | Article in Journal | | 1987 |
| Receptions and professions at the Ennis Novitiate of the Friars Minor, 1877-85 (FLK, MS C 622, int.3) | Fennessy, Ignatius | Article in Journal | | 1999 |
| Reckitt's Blue & Red Raddle | O'Donovan, Danielle | Article in Journal | | 2019 |
| Recluses, relics and corpses : interpreting St Kevin's House | Ó Carragáin, Tomás | Article in Book | | 2011 |
| Recollections I : Kenure house, 1938-1941 | Pratt, George | Article in Book | | 1998 |
| Recollections of an Irish Poor Clare in the seventeenth century : Mother Mary Bonaventure, third abbess of Galway, 1647-1650 | Browne, Mary BonaventureO'Brien, Celsus | Monograph or Collective Volume | Poor Clares | 1993 |
| Recollections of Rapla | Elebert, Michael | Article in Journal | | 1985 |
| Reconstructing the Earl of Desmond's castle, Newcastle West, Co. Limerick | Tietzsch-Tyler, Daniel | Article in Journal | | 2011 |
| Reconstructing the landscape of the mendicants in east Munster : the Franciscans | Lafaye, Anne-Julie | Article in Book | | 2013 |
| Reconstructing the manor of Ballyman: The Poor Knights of Christ and the Temple of Solomon in the southern marches of Dublin | McIlreavy, David | Article in Book | | 2022 |
| Reconstructing the past at Mutton Island | Higgins, Jim | Article in Journal | | 2007 |
| Record, rebuild and resist : the Liber Lovaniensis and the Irish Franciscan province | Smith, Keith | Article in Journal | | 2018 |
| Recovering the charism, 1963-90 | MacMahon, Joseph | Article in Book | | 2009 |
| Red Abbey, Cork city | O'Flaherty, Brendan | Article in Journal | | 1978 |
| Rediscovering Columba's monastery at Durrow, Co. Offaly | O'Brien, Elizabeth | Article in Book | | 2012 |
| Reflections of a divided country? the role of tower houses in late-medieval Ireland | Gilian, Eadie | Article in Journal | | 2014 |
| Reflections on the restoration of Rothe House [Part 1]|The Rothe House restoration (Part 2) | Feeley, Louis | Article in Journal | | 2016 |
| Reform als institutionelle Krise. Überlegungen zur Irischen Kirchenreform des 12 Jahrhunderts am Beispiel des klosters Clonmacnois | Kehnel, Annette | Article in Journal | | 1999 |
| Reforming and seeking an identity, 1829-1918 | Conlan, Patrick, 1940- | Article in Book | | 2009 |
| Reforming Galway : civic society, religious change and St Nicholas's collegiate church, 1550-1750 | GIllespie, Raymond | Monograph or Collective Volume | | 2024 |
| Regestum monasterii fratum praedicatorum de Athenry | | Article in Journal | | 1912 |
| Reginbert von der Reichenau. Aus Bibliothek und Skriptorium des Inselklosters | Preisendanz, Karl | Article in Journal | | 1953 |
| Register der Handschriften|Index of manuscripts | | Article in Book | | 2018 |
| Register of the abbey of St Thomas, Dublin | | Monograph or Collective Volume | Cambridge University Press | 1889 |
| Registrum cartarum monasterii B.V. Mariae de Tristernagh in commitatu Occidentalis Midiae fundati et dotati a Galfredo de Constintine. Register of the priory of the Blessed Virgin Mary at Tristernagh, transcribed and edited from the manuscript in the Cathedral Library, Armagh | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1941 |
| Registrum chartarum hospitalis Sancti Johannis Baptistae extra novam portam civitatis Dublin : register of the hospital of S. John the Baptist without the New Gate, Dublin | | Monograph or Collective Volume | | 1936 |
| Registrum de Kilmainham : register of chapter acts of the hospital of Saint John of Jerusalem in Ireland, 1326-1339, under the grand prior, Sir Roger Outlawe, with additions for the times of his successors, Sir John Mareschall, Sir John Larcher and Sir John Fitzrichard, grand priors of Ireland | | Monograph or Collective Volume | Stationery Office | 1932 |
| Registrum epistolarum Stephani de Lexington abbatis de Stanlegia et de Savigniaco | | Article in Journal | | 1952 |
| Registrum prioratus omnium sanctorum juxta Dublin | | Monograph or Collective Volume | | 1845 |
| Relations between the Abbey of St Thomas the Martyr and the municipality of Dublin c. 1176-1527 | Davis, Virginia, 1958- | Article in Journal | | 1987 |
| Relics and recluses revisited : some thoughts on Cormac's Chapel, Cashel | Ó Carragáin, Tomás | Article in Book | | 2015 |
| Religion | Prunty, Jacinta | Article in Book | | 2013 |
| Religion and money : Irish regular colleges in the Roman Republic of 1798-99 | Harvey, Karen J. | Article in Journal | | 1993 |
| Religion and national identity : papers read at the nineteenth summer meeting and twentieth winter meeting of the Ecclesiastical History Society | NA | Monograph or Collective Volume | NA | 1982 |
| Religion in late medieval Ireland | Lynch, Anthony | Article in Journal | | 1981 |
| Religion, philanthropy and the state in late eighteenth- and early nineteenth-century Ireland | Luddy, Maria | Article in Book | | 1998 |
| Religious houses in medieval Limerick | Moloney, M. | Article in Journal | | 1964 |
| Religious Houses: Devotional Lives | Sterritt, Laurence Lux | Article in Book | Oxford University Press | 2023 |
| Religious Houses: Spirituality | Walker, Claire | Article in Book | Oxford University Press | 2023 |
| Religious life - then and now | Anonymous | Article in Journal | | 2001 |
| Religious orders and congregations in Great Britain and Ireland | Anson, Peter Frederick, 1889-1975 | Monograph or Collective Volume | Abbey Press | 1950 |
| Religious orders and congregations in the diocese of Ferns | De Vál, Seamus S. | Article in Book | | 1999 |
| Remains of St. Mary's abbey, Dublin : their explorations and researches A.D. 1886 | Various contributors | Monograph or Collective Volume | Forster | 1887 |
| Remembering Mícheál Ó Cléirigh | Cunningham, Bernadette | Article in Book | | 2007 |
| Remembering the old public house and grocery in Kilfane | Dyer, John S. | Article in Journal | | 2009 |
| Repertoria manuscriptorum Collegii S. Antonii | Breatnach, Pádraig A. | Article in Book | | 2007 |
| Report from the select committee on the Sale of Intoxicating Liquors on Sunday (Ireland) Bill [Chairman : Sir Michael Hicks Beach] | Anonymous | Monograph or Collective Volume | | 1877 |
| Report from the select committee on the Sale of Liquors on Sunday (Ireland) Bill [Chairman : Myles William O'Reilly] | Anonymous | Monograph or Collective Volume | | 1867-8 |
| Report made to the Board of National Education on the subject of convent schools ... | Sheridan, J. E. | Monograph or Collective Volume | | 1864 |
| Restored splendour | Pearson, Peter | Article in Journal | | 2019 |
| Resurgence of Catholic orders in Limerick | Noonan, Emer | Article in Book | | 2000 |
| Return to Donegal | O'Donnell, Terence | Article in Book | | 1952 |
| Revealing the medieval riverfront : excavations at 42-51 Strand Street Great / 31-34 Abbey Street Upper, Dublin | Moore, Caitríona | Article in Book | | 2025 |
| Review article : medieval Ireland and the continent | Enright, M. J. | Article in Journal | | 1990 |
| Review article: A 'pioneer of nations': Ireland's earliest writers | Ó Cróinín, Dáibhí | Article in Journal | | 2014 |
| Review article: Early modern Ireland and Europe | Cunningham, Bernadette | Article in Journal | | 2009 |
| Revolt and reaction : the Geraldine rebellion and monatic confiscation in County Kildare, 1535-1540 | Lyons, Mary Ann | Article in Journal | | 1992 |
| Ríagail na Manach Líath 'The Rule of the Grey Monks' : a late medieval fabrication | Breatnach, Liam | Article in Journal | | 2020 |
| Riaghuil Threas Uird S. Froinsias | Conny, Bernard | Monograph or Collective Volume | NA | 1641 |
| Richard Castle's designs for Castle Coole, Co. Fermanagh | Griffin, David J. | Article in Book | | 2003 |
| Richard FitzRalph and the friars : the intellectual itinerary of a curial controversialist | Haren, Michael J. | Article in Book | | 1998 |
| Richard Ledrede : English Franciscan and bishop of Ossory, 1317-c.1360 | Neary, Anne | Article in Journal | | 1984 |
| Richard Pococke's Irish tours | McVeigh, John, 1940-Pococke, Richard, bishop, 1704-1765 | Monograph or Collective Volume | Irish Academic Press | 1995 |
| Richard Shee of Blackwell Lodge, Bennettsbridge | Law, Edward J. | Article in Journal | | 1998 |
| Richmond | Power, Martin | Article in Journal | | 1990 |
| Riverstown House , Co. Cork, and the Francini | Curran, C. P. | Article in Journal | | 1966 |
| Robert Fitzgerald's tour of Surrey Gardens | Symes, Michael | Article in Journal | | 1986 |
| Rockhill House, Letterkenny | O'Carroll, D. | Article in Journal | | 1978 |
| Rockhill House, Letterkenny, Co. Donegal : a history | O'Carroll, Declan | Monograph or Collective Volume | The author | 1984 |
| Rocque's map and the history of nonconformity in Dublin : a search for meeting houses | Ferguson, Kenneth | Article in Journal | | 2005 |
| Roddy & Young - lighthouses, lifeboats & lightships | Maguire, Syl | Article in Journal | | 2011 |
| Rogeri de Wendover liber qui dicitur flores historiarum, ab anno domini 1154 annoque Henrici Anglorum regis secundi primo. The flowers of history, by Roger de Wendover, from the year of our Lord 1154 and the first of Henry the Second, king of the English, 1 : 1154-1204; 2 : 1204-30; 3 : 1230-5, with introduction. 3 vols. | | Monograph or Collective Volume | | 1886 |
| Roman Catholic nuns in England and Wales, 1800-1937 : a social history | Walsh, Barbara, 1932- | Monograph or Collective Volume | Irish Academic Press | 2002 |
| Room for expansion: the domestic ranges of Ross Errilly Franciscan Friary, co. Galway | McDermott, Yvonne | Article in Journal | | 2015 |
| Room with a view : reading Ireland in the Irish College Old Library, Paris, c.1870-1900 | Gannon, Darragh | Article in Book | NA | 2019 |
| Rosclogher Castle: a Gaelic lordship centre on Lough Melvin, County Leitrim | McDermott, J.J.O'Conor, Kieran | Article in Journal | | 2015 |
| Roscrea and a centenary : Convent of the Sacred Heart 1842-1942 | Brown, Stephen J. | Article in Journal | | 1942 |
| Rosemount: For nights out in Dundrum | Smith, Margaret | Article in Journal | | 2023 |
| Rothe House, thoughts and memories | Phelan, Margaret M., 1902-2000 | Article in Journal | | 2022 |
| Round towers of Ireland | Corlett, Christiaan | Monograph or Collective Volume | O'Brien Press | 2025 |
| Round towers of the Shannon | O'Regan, Carol | Thesis | | 1990 |
| Roundwood. A memoir by Mrs E. Cosby, widow of Major Errold Ashworth Sydney Cosby of Stradbally Hall, and daughter of the late Major Maurice William Chetwode Hamilton of Roundwood. The main house dates from 1750. | Cosby, E. | Article in Journal | | 2006 |
| Royal and saintly Cashel | Finn, Andrew | Monograph or Collective Volume | Catholic Truth Society of Ireland | 1929 |
| Russborough, Blessington, county Wicklow | Beit, Alfred, Sir | Monograph or Collective Volume | Eason | 1978 |
| S. Ciarán's church and his lands: a study of the history and development of Clonmacnois | Kehnel, Annette | Thesis | | 1995 |
| Sacred landscapes of Fenagh, county Leitrim | Read, Chris | Article in Book | | 2016 |
| Sacred Spaces to Public Places | Curtis, Joe | Monograph or Collective Volume | First Return | 2021 |
| Saint Benedict's priory, Cobh | Stephens, M. Angela | Article in Book | | 2005 |
| Saint Bonaventure of Bagnoregio, O.Min 1221-1274 | Crowley, Theodore | Article in Journal | | 1975 |
| Saint Colomban : la mission Irlandaise et la Suisse | Reynold, Gonzague de | Article in Book | | 1951 |
| Saint Colomban, saint Gall et la formation de la Suisse | Reynold, Gonzague de | Article in Book | | 1956 |
| Saint Columba of Iona : a study of his life, his times, and his influence | Menzies, Lucy | Monograph or Collective Volume | J. M. F. books | 1992 |
| Saint Eloi et l'abbaye de Solignac | Laporte, Albert | Article in Book | | 1951 |
| Saint Francis Abbey and St Canice's Well | Smithwick, Peter | Article in Journal | | 1988 |
| Saint Gobnet, abbess of Ballyvourney | Harris, Dorothy C. | Article in Journal | | 1938 |
| Saint Isidore’s Franciscan College, Rome : from centre of influence of site of memory | Hazard, Benjamin | Article in Book | | 2012 |
| Saint Malachy, the Gill abbey of Cork, and the rule of Arrouaise | O'Sullivan, DenisWalsh, T. J. | Article in Journal | | 1949 |
| Saint Mochaoi and Nendrum | Towill, E. S. | Article in Journal | | 1964 |
| Saint Mochta of Louth and the rewriting of history | Cronin, Anthony | Article in Journal | | 2019 |
| Samuel Hayes' Avondale | Bowe, Patrick | Article in Journal | | 2009 |
| Sancti Columbani opera | | Monograph or Collective Volume | Institute for Advanced Studies | 1957 |
| Sancti Isidori Visitatio Apostolica (1663). I Frati Minori irlandesi a Roma dopo Luke Wadding | Bellardini, DonatellaCostacurta, Claudia | Article in Journal | | 2015 |
| Sandyford House | Casey, Eamonn | Article in Journal | | 2016 |
| Sarsfield Street | Kenny, Claire | Article in Journal | | 2008 |
| Saving the Custom's House plaque | McKinley, Anthony | Article in Journal | | 2005 |
| Scattery : an unknown part of the diocese of Limerick | Newman, Jeremiah | Article in Journal | | 1992 |
| Scattery Island's forgotten Romanesque | Ní Ghrádaigh, Jennifer | Article in Journal | | 2006 |
| Sceilg Mhichíl and its Saints in Iveragh Folklore | Mac an tSíthig, Seán | Article in Book | | 2022 |
| Scottish abbeys : An Introduction to the mediaeval abbeys and priories of Scotland | Cruden, Stewart | Monograph or Collective Volume | | 1960 |
| Scribes and scholars : a guide to the transmission of Greek and Latin literature | Reynolds, L. D.Wilson, N. G. | Monograph or Collective Volume | Oxford University Press | 1991 |
| Sculptors and their customers : a study of Clonmacnoise grave-slabs | Swift, Catherine | Article in Book | | 2003 |
| Sea, sewage and steam engines : the records of the Board of Trade | Magee, Karl | Article in Journal | | 1995 |
| Sectionally constructed tower houses : a review of the evidence from county Limerick | Donnelly, Colm J. | Article in Journal | | 1998 |
| Secunda Brigida : Saint Ita of Killeedy and Brigidine tradition | Bray, Dorothy Ann | Article in Book | | 1992 |
| Securing against the unfaithful steward. | Breen,m MartinUa Cróinín, Risteárd | Article in Journal | | 2020 |
| Select bibliography | Anonymous | Article in Journal | | 2003 |
| Select document : a settlement between the canons of St Thomas’s Abbey, Dublin, and Walter de Lacy concerning the church of Ardmulchan granted to the canons by Theobald Walter | Flanagan, Marie Therese | Article in Journal | | 2020 |
| Select document : The last will and testament of Diarmaid Ó Conchobhair, prior of Cluain Tuaiscirt na Sionna | Thornton, David E. | Article in Journal | | 2024 |
| Settlement on Mellifont Abbey’s monastic estate in counties Meath and Louth (1540–1) | Stout, Geraldine | Article in Book | Four Courts Press | 2018 |
| Seven documents from the old abbey of Mellifont | | Article in Journal | | 1953 |
| Seven houses in county Leix | Anonymous | Article in Journal | | 1973 |
| Seven houses in county Leix | Craig, Maurice James | Article in Journal | | 1973 |
| Seventeenth century Franciscan authors of Westmeath | Conlon, Patrick | Article in Journal | | 1985 |
| Seventeenth century manors in the barony of Strabane | Roulston, William J. | Article in Book | | 2005 |
| Seventeenth-century translations of the Rule of St Clare: Part I | Goodrich, JaimeGrealy, Faustina | Article in Journal | | 2019 |
| Seventeenth-century West Offaly - accommodating the new realities | Lyttleton, James | Article in Journal | | 2004 |
| Sewing & lace school - Convent of Mercy, Newry | Durkin, De Sales, Sr | Article in Journal | | 1979 |
| Sex, symbol, and myth : some observations on the Irish round towers | Stalley, Roger | Article in Book | | 2001 |
| Shandon | Rynne, Colin | Article in Book | | 2005 |
| Shifting foundation : the big houses of Dún Laoghaire-Rathdown | | Monograph or Collective Volume | Dún Laoghaire-Rathdown County Council | 2021 |
| Shinagh House, Bandon | Walsh, Christy | Article in Journal | | 2000 |
| Short measures | Scannell, James | Article in Journal | | 1992 |
| Si monumentum requiris, circumspice | O'Sullivan, Seán | Article in Journal | | 1976 |
| Sidelights on the Irish Franciscans, 1798-1850 | MacGrath, Kevin | Article in Journal | | 1952 |
| Sienna convent Drogheda : the Portuguese connection | Kirwan, James | Article in Journal | | 1992 |
| Signal towers on the west Cork coast | Kennyan, Paul M. | Article in Journal | | 2003 |
| Silex Sancti Michaelis: An acccount of the miracles of Skellig MIchael from thirteenth-century Bavaria | Ó Riain, Diarmuid | Article in Book | | 2022 |
| Sint Willibrord in Waalre en Valkenswaare : ostaan en ontwikkeling ener vroege christengemeenschap tot parochie | Bannenberg, G. P. J. | Monograph or Collective Volume | De Koepel | 1948 |
| Sir Gustavus Hume (1677-1731): courtly connections and architectural connoisseurship in the early eighteenth century | Hayes, Melanie | Article in Journal | | 2016 |
| Sir John Fox Dillon: a landlord in transition | French, Noel E. | Article in Journal | | 2013 |
| Sir Richard Morrison's country houses, 1 : the smaller villas | McParland, Edward | Article in Journal | | 1973 |
| Sister Annie Finlay from Ireland to Latin America : two documents on her travel to Argentina and Chile in the late nineteenth century, with annotated introduction | Walsh, Edward | Article in Journal | | 2013 |
| Sister Genevieve | Rae, John | Monograph or Collective Volume | Little Brown | 2001 |
| Sister Mary Paul | Wynne, Tony | Article in Journal | | 1998 |
| Sister-physicians, education and mission in the mid-twentieth century | Wall, Barbra Mann | Article in Book | | 2016 |
| Sisters and the creation of American Catholic identities | Thompson, Margaret Susan | Article in Book | | 2016 |
| Sisters as teachers in nineteenth-century Ireland : the Presentation Order | Nowlan-Roebuck, Catherine | Article in Book | | 2016 |
| Sisters of Mercy, Newport, 1901-2001 | O'Toole, ConsilioOthers | Monograph or Collective Volume | Sisters of Mercy | 2001 |
| Sisters of St John of God, 1871-1900 | Brennan, Mary Eugenia | Thesis | | 1999 |
| Sisters of St Joseph of Cluny, Ferbane : celebrating 100 years of apostolate, 1896-1996 | Sheil, HelenSisters of St Joseph Cluny | Monograph or Collective Volume | The authors | 1996 |
| Sisters of the priory confraternity of Christ Church, Dublin, in the late middle ages | Lennon, Colm | Article in Book | | 2023 |
| Six centuries of Franciscan life | Reidy, Maurice | Article in Journal | | 1940 |
| Skellig Michael | Scully, Diarmuid | Article in Book | | 2012 |
| Skellig Michael and Early Irish Monasticism | Scully, Diarmuid | Chapter in Book | | 2022 |
| Skerries pubs and publicans | Baker, Jack | Article in Journal | | 2012 |
| Skinners Alley preaching house, Dublin | Bradshaw, D. B. (David Bigham) | Article in Journal | | 1909 |
| Skryne's link with St Mary's Abbey | Anonymous | Article in Journal | | 1987 |
| Sligo's oldest house discovered. Excavation of the first Neolithic house to be discovered in the county | McKee, James | Article in Journal | | 2022 |
| Smokehouse at Frenchpark, Co. Roscommon | Murphy, Damian | Article in Journal | | 2021 |
| Snipevale Cottage: Ireland in microcosm | Wellard, Matthew | Article in Journal | | 2012 |
| Snowhill house and estate | Walsh, Jim | Article in Book | | 2001 |
| So many proofs : aspects of the legacy of Sir Richard Wallace in the fabric of Lisburn | Dixon, Hugh | Article in Journal | | 1982 |
| Social and sexual politics in the Big House : Edith Somerville and Molly Keane | Kreilkamp, Vera | Article in Journal | | 1988 |
| Society outing to Roscrea and Leap Castle | Feerick, Aidan | Article in Journal | | 2024 |
| Soldiers of Christ : the Knight's Hospitaller and the Knights Templar in medieval Ireland | | Monograph or Collective Volume | Four Courts | 2015 |
| Solid as a rock? Oldcourt Castle, Co. Wicklow | Bolton, JasonPavia, Sara | Article in Journal | | 1999 |
| Some 17th/18th century residents of Belvedere House, Drumcondra | O'Brien, Andrew | Article in Journal | | 2005 |
| Some aspects of hagiography as a source for Irish economic history | Doherty, Charles | Article in Journal | | 1982 |
| Some aspects of the Reformation in Armagh province | Silke, John J. | Article in Journal | | 1984 |
| Some Atlantic tower houses | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 1995 |
| Some castles and towerhouses of south-east county Clare | Breen, MartinUa Cróinín, Risteárd | Article in Journal | | 2011 |
| Some country houses in Lecale | Magee, John | Article in Journal | | 1985 |
| Some country houses near Athlone | English, Norman William | Article in Journal | | 1973 |
| Some County Sligo Rood Lofts and their wider Irish contexts | Higgins, Jim | Article in Journal | | 2020 |
| Some Donegal Franciscan chalices | MacGrath, Kevin | Article in Book | | 1952 |
| Some early masonry churches and the round tower at Clonmacnoise | Manning, Conleth | Article in Book | | 2003 |
| Some early seventeenth-century building accounts in Ireland | Fenlon, Jane | Article in Journal | | 1998 |
| Some examples of Irish country houses of the Georgian period | Ide, John Jay | Monograph or Collective Volume | Thistle Press | 1959 |
| Some fragments of carved stone from the site of Glenarm Friary in County Antrim | Lynn, Chris | Article in Journal | | 1987 |
| Some Franciscan 'ex libris' from Multyfarnham library | Wall, Thomas | Article in Journal | | 1951 |
| Some further sculpture in Ennis priory | Harbison, Peter | Article in Journal | | 1977 |
| Some great houses of Ashford | Murphy, Laurence | Article in Journal | | 1992 |
| Some historic houses of Tir Briun | Hanly, Shane | Article in Journal | | 1994 |
| Some historical notes on Kilmore House in St. John's parish, Roscommon | Byrne, Liam | Article in Journal | | 2004 |
| Some houses in England owned by the dukes of Ormonde and their families | Fenlon, Jane | Article in Journal | | 1987 |
| Some houses of the gentry around Ballincollig | McCarthy, Donogh | Article in Journal | | 1988 |
| Some Irish Cistercian documents | | Article in Journal | | 1913 |
| Some Irish religious houses | Campbell, Ian | Article in Journal | | 1915 |
| Some island castles of county Clare|The island castles of county Clare - concluded | Breen, MartinUa Cróinín, Risteárd | Article in Journal | | 2010 |
| Some lesser known country houses in Munster and Leinster | Ffolliott, Rosemary | Article in Journal | | 1971 |
| Some lesser known ecclesiastical sites in Fore, Co. Westmeath | Masterson, Rory | Article in Journal | | 1998 |
| Some lost country houses near Athlone | English, Norman William | Article in Journal | | 1974 |
| Some MacNamara towerhouses in South East Clare | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 2007 |
| Some medieval houses in the barony of Imokilly, Co. Cork | O'Sullivan, Denis | Article in Journal | | 1946 |
| Some medieval writings of the Irish Franciscans | Mooney, Canice | Article in Journal | | 1942 |
| Some memories of Milverton Demesne | Duff, R. S. | Article in Journal | | 2001 |
| Some more towerhouses in east Clare | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 2004 |
| Some new perspectives on Sligo Dominican priory | O'Conor, Kieran Denis | Article in Book | | 2024 |
| Some Norman monastic foundations in Ireland | Richardson, Henry Gerald | Article in Book | | 1961 |
| Some north-west Clare tower houses | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 1997 |
| Some notes on Castle Salem, Benduff | Ní Chonaill, Áine | Article in Journal | | 2012 |
| Some notes on Irish farm-houses | Mac Giolla, Seán | Article in Journal | | 1938 |
| Some notes on the abbey and cross of Moone and other places in the valley of Griese | Carroll, F. M. | Article in Journal | | 1895 |
| Some notes on the early British church | Best, W. S. | Article in Journal | | 1949 |
| Some notes on the history of Ardmore | Gwynn, Aubrey | Article in Journal | | 1993 |
| Some notes on the history of the Irish and Scottish Benedictine monasteries in Germany | Gwynn, Aubrey | Article in Journal | | 1954 |
| Some notes on the houses of the Third Order of Saint Francis in Tirconaill | Ó Domhnaill, Seán | Article in Book | | 1952 |
| Some notes on the life of Fechin | | Monograph or Collective Volume | Clothes Mangle Press | 2005 |
| Some notices of the castle and of the ecclesiastical buildings at Trim. | Butler, Richard, 1794-1862 | Monograph or Collective Volume | | 1861 |
| Some obscure tower house sites in the Corofin area | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 1994 |
| Some priors of Fore, Co. Westmeath | Seymour, St. John D. | Article in Journal | | 1934 |
| Some problems concerning the organization of the Church in early medieval Ireland | Sharpe, Richard | Article in Journal | | 1984 |
| Some recently located towerhouse sites | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 2000 |
| Some records of a Cistercian abbey : Holm Cultram, Cumberland | | Monograph or Collective Volume | | 1899 |
| Some restored towerhouses in the Burren area of Co. Clare | Breen, Martin | Article in Journal | | 2002 |
| Some tower houses in east Clare | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 1999 |
| Some tower houses in the barony of Gowran, County Kilkenny | Birthistle, Dorcas | Article in Book | | 1997 |
| Some tower houses in the vicinity of Ennis | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 1998 |
| Some tower houses with bawns in the Burren | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 1996 |
| Some towerhouse sites in east Clare | Ua Cróinin, Risteárd | Article in Journal | | 2003 |
| Some towerhouses in the Burren area of Co. Clare | Ua Cróinin, Risteárd | Article in Journal | | 2001 |
| Some towerhouses in the Newmarket-on-Fergus area | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 2006 |
| Some towerhouses in the parish of Kilkeedy | Ua Cróinin, RisteárdWhelan, Noreen | Article in Journal | | 2005 |
| Some towerhouses of East Corca Bhaiscinn and the Shannon Estuary [Parts I-II] | Breen, MartinUa Cróinín, Risteárd | Article in Journal | | 2013 |
| Some vanishing Country Houses near Mullingar | O'Brien, Donal | Article in Journal | | 2017 |
| Soul sisters: Two Irish holy women in their late antique context | Swift, Catherine | Article in Book | | 2023 |
| Sources for the history of the Irish Capuchins | De Meijer, A.Martin, F. X. (Francis Xavier), 1922-2000 | Article in Journal | | 1956 |
| Sources for the history of the Irish Cistercians, 1142-1540 | Conway, Colmcille | Article in Journal | | 1958 |
| Space organization in early Irish monasteries : the platea | Picard, Jean-Michel | Article in Book | | 2011 |
| Spioradáltacht Thamhlachta | Ó Fiannachta, Pádraig | Article in Book | | 1977 |
| Spirit of courage : life of Edmund Rice, founder of the Christian Brothers of Ireland | Humphreys, W. E. | Monograph or Collective Volume | C.T.S.I. | 1965 |
| Spiritual renewal and changing landscapes : the mendicant orders in Ireland, thirteenth– sixteenth centuries | Lafaye, Anne-Julie | Article in Book | Four Courts Press | 2018 |
| Spitbank lighthouse | Wales, Jane | Article in Journal | | 2010 |
| Sport and the British : a modern history | Holt, Richard, 1948- | Monograph or Collective Volume | | 1989 |
| Springfort House | Holloway, Estelle | Article in Journal | | 1990 |
| Springhill | Anonymous | Article in Journal | | 1938 |
| St Anne's, Kilmacud House and Girlsville | MacMahon, Bryan, 1949- | Article in Journal | | 2019 |
| St Benedict's Abbey, Fort Augustus | Cradock, CarolineNicholl, Andrew R. | Article in Book | | 2005 |
| St Bernard, his views on architecture and the Irish dimension | Stalley, Roger | Article in Journal | | 1993 |
| St Bonaventure's Academy, Athlone | Conlan, Patrick, 1940- | Article in Journal | | 1985 |
| St Canice’s Muckalee : an early Christian site | O'Shea, Mary | Article in Journal | | 1995 |
| St Clerans : the tale of a manor house | Henry, William | Monograph or Collective Volume | Merv Griffin | 1999 |
| St Columba and his lay contemporaries in Scotland and Ireland | MacQuarrie, Alan D. | Article in Journal | | 1994 |
| St Columba's monastery at Durrow : some additional discoveries | King, Heather | Article in Book | | 2012 |
| St Columban's Society : the modern disciples of the saint | O'Connor, Patrick | Article in Book | | 1951 |
| St Declan's church | Quain, James T. | Article in Journal | | 1987 |
| St Dominic in Ireland | Mould, Daphne D. C. Pochin | Article in Journal | | 1956 |
| St Finbar and his monastery | MacCarthy, Charles | Article in Journal | | 1937 |
| St Francis Abbey 1230-1630: a history and archaeology of Kilkenny's Conventual Franciscans | O'Keefe, Gerry | Article in Journal | | 2016 |
| St Gallen and Ireland : the saint and his monastery | Ó Riain, Diarmuid | Article in Book | | 2025 |
| St Gallen and the Irish in the early middle ages | Richter, Michael, 1943-2011 | Article in Book | | 2002 |
| St Helen's : an 18th century house on Stillorgan Road | Laffan, Moira | Monograph or Collective Volume | Foxrock Local History Club | 1988 |
| St Helen’s house | Quinn, Dara | Article in Journal | | 1995 |
| St Ita of Killeedy and spiritual motherhood in the Irish hagiographical tradition | Bledsoe, Jenny C. | Article in Journal | | 2012 |
| St John's Lane : a 'poem in stone' from stones and stained glass | Kelly, David | Article in Book | | 2013 |
| St John's lighthouse | Colmer, Albert | Article in Journal | | 1993 |
| St Joseph's Academy, Bagnalstown | Anonymous | Article in Journal | | 2001 |
| St Joseph's Carmelite monastery, Kilmacud | Zherelin, Svyatoslav | Article in Journal | | 2013 |
| St Joseph's Convent of Mercy, Kinsale : a celebration of 150 years, 1844-1994 | Hurley, Frank | Monograph or Collective Volume | Frank Hurley | 1994 |
| St Kilian : his Irish background and posthumous influence | Ó Fiaich, Tomás | Article in Book | | 1999 |
| St Kilian : his Irish background and posthumous influence | Ó Fiaich, Tomás | Article in Journal | | 1989 |
| St Kilian and the Irish network in early Carolingian Europe | Ó Riain-Raedel, Dagmar | Article in Book | | 2017 |
| St Kilian Mitpatron des Erzbistrums Paderborn | Cohausz, Alfred | Article in Book | | 1952 |
| St Louis Convent and High School: a hundred years in Rathmines | Ní Thiarnaigh, Éilís | Article in Journal | | 2014 |
| St Mary's abbey and the church at Skryne | Hickey, Elizabeth | Article in Journal | | 1952 |
| St Mary's Abbey, 841-1156-1539 | Ronan, Myles V. (Myles Vincent) | Article in Journal | | 1955 |
| St Mary's abbey, Devenish | Mullarkey, T. | Article in Journal | | 1961 |
| St Mary's Abbey, Dublin, and its medieval farm suppliers | Stout, Geraldine | Article in Book | | 2015 |
| St Mary's Abbey, Ferns: an archaeological survey | Corlett, Christiaan | Article in Book | | 2023 |
| St Mary's Abbey, Graney: to live the apostolic life | Carville, Geraldine | Article in Journal | | 2011 |
| St Mary's abbey, Louth, and the introduction of the Arroasian observance into Ireland | Flanagan, Marie Therese | Article in Journal | | 1978 |
| St Mary's Hall and Alms Houses, Kilkenny in the 1950s and 1960s. Interview with Eileen Bibby | Bibby, Eileen | Article in Journal | | 2013 |
| St Mary's of the Isle | Hurley, Maurice | Article in Book | | 2005 |
| St Mary's priory, Devenish : excavation of the east range, 1972-4 | Waterman, D. M. | Article in Journal | | 1981 |
| St Oliver Plunkett, Francis Macdonnell, O.F.M., and the mission to the Hebrides | Giblin, Cathaldus | Article in Journal | | 1974 |
| St. Anthony's College of the Irish Franciscans at Louvain, 1607-1977 | Conlon, Patrick | Monograph or Collective Volume | Assisi Press | 1977 |
| St. Buite, Mellifont ad Toberboie | Manning, Conleth | Article in Journal | | 1984 |
| St. Caimin’s, Inis Cealtra. Reconstruction of the doorway | De Paor, LiamGlenn, Deirdre | Article in Journal | | 1995 |
| St. Colmán and the early medieval monastery of Lynally (c.600-1100) | Masterson, Rory | Article in Journal | | 2003 |
| St. Columba's College: an Irish school in the age of empire | Pyz, Justyna | Article in Book | | 2012 |
| St. Cuthbert, his Cult and his Community to AD 1200 | | Monograph or Collective Volume | | 1989 |
| St. Feichin's, Ballisodare, Co. Sligo : discoveries and rediscoveries | Timoney, Mary B. | Article in Book | | 2002 |
| St. Finnian of Movilla : Briton, Gael, ghost? | Dumville, David N. | Article in Book | | 1997 |
| St. Joeseph's C.B.S., Fairview : 1888-1988 | Brockie, Gerard | Monograph or Collective Volume | none given | |
| St. Kilian : his Irish background and posthumous influence | Ó Fiaich, Tomás | Article in Journal | | 1989 |
| St. Mary's Abbey, Ballyhaunis | O'Connor, John | Monograph or Collective Volume | Augustinian Community | 1983 |
| St. Mary's Abbey, Dublin | Luddy, Ailbe J. | Monograph or Collective Volume | M.H. Gill and Son | 1935 |
| St. Mary's abbey, Louth, and the introduction of the Arrouaisian observance into Ireland | Flanagan, Marie Therese | Article in Journal | | 1980 |
| St. Mary's Abbey, Louth, and the introduction of the Arrouaisian observance into Ireland | Flangan, Marie-Thérèse | Article in Journal | | 1980 |
| St. Mary's Cistercian abbey, Dublin : a ghost in the alleyways | Doran, Bill,Doran, Linda, | Article in Book | | 2009 |
| St. Mochua and the round tower | Williams, Joe | Monograph or Collective Volume | South Dublin Libraries | 2006 |
| St. Mullin's Abbey Church in the era of the reformation and confiscation : a reflection | Lyttleton, James | Article in Journal | | 2005 |
| St. Patrick at Glastonbury | Finberg, Herbert Patrick Reginald | Article in Book | | 1969 |
| Stately homes around Stillorgan, with photographs | Dalton, LarryFlanagan, Bonnie | Monograph or Collective Volume | Bonnie Flanagan | 1991 |
| Stepping off the plinth | Tipton, Gemma | Article in Journal | | 2005 |
| Stonework in Ardmore | Mulcahy, Michael | Article in Journal | | 1986 |
| Storied Kilbrogan | Ó Donnchadha, Liam | Article in Journal | | 1984 |
| Strange goings-on in Roscrea, 1477 and 1995 | Ó Cróinín, Dáibhí | Article in Book | | 2012 |
| Stranger in a strange land : an Irish monk in Germany and a vision of the afterlife | Boyle, Elizabeth | Article in Journal | | 2005 |
| Strangers in the shadows - an exploration of the 'Irish Boatrding Houses' in 1950s Leicester as heterotopic spaces | May-Banbury, Angela | Article in Journal | | 2018 |
| Strokestown : comments and connundrums | Donlon, Billie | Article in Journal | | 1990 |
| Strokestown Park House | Dodd, Luke | Article in Journal | | 1988 |
| Stucco work by Patrick Osborne at Castletown Cox | De Breffny, Brian | Article in Journal | | 1981 |
| Studies in Irish Cistercian history | Donovan, FinbarrÓ Conbhuidhe, Colmcille | Monograph or Collective Volume | Four Courts | 1998 |
| Studies in Irish Cistercian history : 1, The Irish Cistercians under the Tudors, 1539-1603 | Ó Conbhuidhe, C. | Article in Journal | | 1965 |
| Studies in Irish Cistercian history : 2, the Irish Cistercians under the Stuarts | Ó Conbhuidhe, C. | Article in Journal | | 1965 |
| Studies in medieval Cistercian history presented to J.F. O'Sullivan | Anonymous | Monograph or Collective Volume | | 1971 |
| Studies in medieval Cistercian history presented to Jeremiah F. O'Sullivan | O'Callaghan, Joseph F. | Monograph or Collective Volume | Irish University Press | 1971 |
| Studies in the layout, buildings and art in stone of early Irish monasteries | Herity, Michael | Monograph or Collective Volume | Pindar | 1995 |
| Style over substance : architectural fashion and identity building in medieval Ireland | Ní Ghrádaigh, Jenifer | Article in Book | | 2012 |
| Substance over style: Castletown and the protean politics of Irish 'improvement' | Leyden, Kyle | Article in Journal | | 2017 |
| Substance over style: Castletown and the protean politics of Irish 'improvement' | Leyden, Kyle | Article in Journal | | 2017 |
| Summary account of conservation works at Portumna | McMahon, Paul | Article in Book | | 2012 |
| Superiors of the Franciscan friaries at Adare, Askeaton and Limerick | Egan, Bartholomew, OFM | Article in Journal | | 1971 |
| Swords Castle, a gateway to medieval Ireland | May, Fionnuala | Article in Journal | | 2017 |
| Taghmon Castle | Seery, Joe | Article in Journal | | 2007 |
| Táilcentech "the monastery of Armagh"? | Ó Muirigh, Caoimhín | Article in Journal | | 1999 |
| Tallaght, Co. Dublin : its monastery and its castle | Scantlebury, C. | Article in Journal | | 1960 |
| Tánaise ríg : the earliest evidence | Dunn, Marilyn | Article in Journal | | 1999 |
| Tarbert House | Bary, Valerie | Article in Journal | | 1991 |
| Tarbert House, County Kerry | FitzGerald, Desmond | Article in Journal | | 2006 |
| Taste & sensibility : the patronage of Cooper Penrose | Murray, Peter | Article in Journal | | 2006 |
| Taxation of the Irish Cistercian houses, c.1329-1479 | Ó Conbhuidhe, Colmcille | Article in Journal | | 1964 |
| Taxation of the Irish Cistercian houses, c.1329-1479 | Conway, Colmcille | Article in Journal | | 1964 |
| Teach Colmchille | Ryan, John | Article in Journal | | 1938 |
| Teampall Bhreacáin, Aran, its Five Phases and Obscured Doorway | Manning, Conleth | Article in Book | NA | 2021 |
| Teampall Dubh | Schorman, Sonia | Article in Journal | | 1996 |
| Technology in the country house | Palmer, MarilynWest, Ian | Monograph or Collective Volume | Historic England | 2016 |
| Temple House : from Templar castle to New English mansion | Naessens, PaulO'Conor, Kieran | Article in Book | | 2015 |
| Tensions over time: Conflicting understanding of monastic prayer in late-eighth-century-Armagh | Rumsey, Patricia | Article in Journal | | 2015 |
| Teresa Ball and Loreto Education : Convents and the Colonial World, 1794-1875 | Raftery, Deirdre | Monograph or Collective Volume | Four Courts Press | 2022 |
| Tertiary types : the Franciscan Third Order Regular in the west of Ireland | McDermott, Yvonne | Article in Book | Cork University Press | 2024 |
| Testing the evidence for northern North Atlantic papar : a cave site in southern Iceland | Ahronson, Kristján | Article in Book | | 2002 |
| Text books of the penal day friars | O'Connell, W. D. | Article in Journal | | 1943 |
| Textes et manuscrits cisterciens dans diverses bibliothèques | Leclercq, Jean | Article in Journal | | 1965 |
| Thadeus Moriarty, O.P., 1603-1653 | Valkenburg, Augustine | Article in Journal | | 1982 |
| That building at the West Pier | Brennan, Robert | Article in Journal | | 1993 |
| The "Monasticon Hibernicum Project" : a research tool for early and medieval ecclesiastical settlement in Ireland | Mac Shamhráin, Ailbhe | Article in Journal | | 2008 |
| The 'Big Houses ' of Galway | Kelly, Davina | Article in Journal | | 2016 |
| The 'Brevis relatio' of the Irish discalced Carmelites, 1625-70 | Browne, PaulGlynn, MarcellusMartin, F. X. (Francis Xavier), 1922-2000 | Article in Journal | | 1962 |
| The 'Cathedral', Temple Kelly and Temple Ciarán: notes from the annals | MacDonald, Aidan | Article in Book | | 2003 |
| The 'Céli Dé' and the early medieval Irish church : a reassessment | Haggart, Craig | Article in Journal | | 2006 |
| The 'Celtic' Tonsure Revisited | McIlwain, James T. | Article in Journal | | 2005 |
| The 'cemetery gate' and outer precinct of St Mary's abbey, Dublin | Duffy, Paul | Article in Book | | 2025 |
| The 'Industrial' Sisters of Charity in Benada, Co. Sligo, 1858-1955 | McDermott, Margaret Brid | Article in Book | | 1998 |
| The 'unity' of Cóemgen and Ciarán : a convent between Glendalough and Clonmacnoise in the tenth to eleventh centuries | Mac Shamhráin, Ailbhe | Article in Book | | 1994 |
| The abbatial succession at Clonmacnois from the foundation of the monastery to the coming of the Norse (A.D. 545-799) | Ryan, John | Article in Book | | 1995 |
| The abbatial succession at Mellifont, 1142-1539 | Conway, Colmcille | Article in Journal | | 1961 |
| The abbatical succession at Mellifont, 1142-1539 | Conway, Colmcille | Article in Journal | | 1961 |
| The Abbess and the Cailleach in medieval Irish culture | Mac Curtain, Margaret | Article in Book | | 2019 |
| The abbey and cathedral of Ferns, 1111-1253 | Bates, Rhiannon CareyO'Keeffe, Tadhg | Article in Book | | 2016 |
| The Abbey and its associated archaeological remains | Gosling, Paul | Article in Book | | 2005 |
| The Abbey Church of Bangor | Scott, Charles | Monograph or Collective Volume | W. & G. Baird | 1882 |
| The abbey graveyard in Naas | McCabe, Brian | Article in Journal | | 1996 |
| The abbey graveyard in Naas, Co. Kildare | McCabe, Brian | Article in Journal | | 1999 |
| The abbey of Abbeyderg | Higgins, Richard | Article in Journal | | 1971 |
| The Abbey of Athenry | Blake, Martin J. | Article in Journal | | 1902 |
| The abbey of Athenry | Blake, Martin J. | Article in Journal | | 1902 |
| The abbey of Holy Cross | Callanan, M. | Monograph or Collective Volume | Printed for the author at the Sign of the Three Candles | 1933 |
| The abbey of Kilconnell : two documents | Jennings, Brendan | Article in Journal | | 1945 |
| The Abbey of Kilnalahan | Dalton, J. P. | Article in Journal | | 1909 |
| The Abbey of Kilnalahan | Dalton, J. P. | Article in Journal | | 1911 |
| The Abbey of Kilnalahan—II | Dalton, J. P. | Article in Journal | | 1909 |
| The Abbey of Molana, Co. Waterford | Power, Patrick | Article in Journal | | 1932 |
| The abbey of Muckamore | McKeown, Laurence | Article in Journal | | 1938 |
| The abbey of Muckross | Jennings, Brendan | Article in Journal | | 1940 |
| The abbey of Savigny (Manche) in Britain and Ireland in the 12th century : three overlooked documents | Allen, Richard | Article in Journal | | 2018 |
| The abbey of St Francis, Galway | Jennings, Brendan | Article in Journal | | 1946 |
| The Abbey of St Thomas the Martyr, Dublin|Mainistir Thomáis Mairtíreach, Baile Átha Cliath | Foley, Áine | Monograph or Collective Volume | Dublin City Council | 2017 |
| The abbey of St Thomas the Martyr, near Dublin | Elliott, A. L. | Article in Book | | 1990 |
| The abbey of the Port of St Maria, Dunbrody, Co. Wexford: an architectural study | Stout, Geraldine | Article in Book | | 2016 |
| The abbey of Woodburn | McKeown, Laurence | Article in Journal | | 1939 |
| The abbey, Wicklow | Clarke, Michael | Article in Journal | | 1943 |
| The abbot and the monastic community in the Gaelic churches, 550 to 800 | Pettiau, Hérold | Article in Book | | 2006 |
| The abiding enchantment of Curragh Chase | Jones, Joan | Monograph or Collective Volume | Clo Duanaire | 1983 |
| The account books of the Franciscan House, Broad Lane, Cork, 1764-1921 | | Monograph or Collective Volume | Irish Manuscripts Commission | 2012 |
| The achievements of our Irish monks | Ryan, John | Article in Book | | 1963 |
| The administration of an Irish county estate : the Cosby papers, 1558-1955 | Deegan, James | Article in Journal | | 2004 |
| The age of Arthur : a history of the British Isles from 350 to 650 | Morris, John | Monograph or Collective Volume | | 1973 |
| The age of illusion : manners and morals, 1750-1848 | Laver, James | Monograph or Collective Volume | | 1972 |
| The alien priory of Fore, Co. Westmeath, in the middle ages | Masterson, Rory | Article in Journal | | 1999 |
| The alliance between church and state in early medieval Alba | Veitch, Kenneth | Article in Journal | | 1998 |
| The almshouse at Inistioge | Dyer, John S. | Article in Journal | | 1998 |
| The ambit of Cook Street; presented by Fr. Walter Crowley, OFM | Farrington, Mrs | Article in Journal | | 1994 |
| The ancient chapter-house of the priory of the Holy Trinity, Dublin | Drew, Thomas | Article in Book | | 1990 |
| The ancient religious orders and the churches of New Ross | Sutton, Jim | Article in Book | | 2001 |
| The Anglo-Norman houses of Dublin : evidence from Back Lane | Coughlan, Tim | Article in Book | | 2000 |
| The Annaghdown doorway and King Ruadrí Ua Conchobair: loyalty and patronage in twelfth-century Connacht | Cooke, Jessica | Article in Journal | | 2020 |
| The Annals of Connacht and Loch Cé and the monasteries of Boyle and Holy Trinity | O'Dwyer, B. W. | Article in Journal | | 1972 |
| The Annals of Connacht and the abbey of Cong | Gwynn, Aubrey | Article in Journal | | 1956 |
| The appointment of Coabh and Erenagh | Barry, J. G. | Article in Journal | | 1960 |
| The archaeological excavation at Holy Cross Abbey : an onlooker's reaction | Hayes, Willie | Article in Book | | 2007 |
| The archaeological landscape of Tonymore Lough, county Cavan | McCormick, Maeve | Article in Journal | | 2012 |
| The archaeological potential of the eighteenth-century estate at Woodstock, Inistioge, Co. Kilkenny | Byrne, James | Article in Journal | | 2016 |
| The archaeology of Ireland | Harbison, Peter | Monograph or Collective Volume | The Bodley Head | 1976 |
| The archaeology of manorial settlement in west county Limerick in the thirteenth century | Keegan, Mark | Article in Book | | 2005 |
| The archaeology of rural monasteries | Mytum, Harold C. | Monograph or Collective Volume | [s.n.] | 1989 |
| The archaeology of the Augustinian abbey of St Mary, Ferns: the cloister | Lynch, LindaMandal, StephenO’Keeffe, TadhgO’Meara, DanielShine, Denis | Article in Book | | 2023 |
| The archaeology of the Irish church in the eighth century | Hamlin, Ann | Article in Journal | | 1985 |
| The archaeology of the Irish Hospitaller preceptories of Mourneabbey and Hospital in context | Cotter, Eamonn | Article in Book | | 2015 |
| The archaeology of the tower house in later medieval Ireland | Barry, Terence B. | Article in Book | | 1993 |
| The archaeology of Viking Dublin | Wallace, Patrick (Patrick F.) | Article in Book | | 1985 |
| The archaeology of writing in the time of Adomnán | Campbell, Ewan | Article in Book | | 2010 |
| The archbishop's residence at Swords : castle or country retreat? | Stalley, Roger | Article in Book | | 2006 |
| The architectural legacy of Sir Arthur Chichester's Plantation of Inishowen | Burke, Claire | Article in Journal | | 2017 |
| The architecture of empire : Elizabethan country houses in Ireland | Klingelhöfer, Eric | Article in Book | | 2003 |
| The architecture of Ireland : from the earliest times to 1880 | Craig, Maurice James | Monograph or Collective Volume | Batsford | 1982 |
| The architecture of Ireland from the earliest times to 1880 | Craig, Maurice James | Monograph or Collective Volume | Eason | 1989 |
| The architecture of sacral kingship in twelfth-century Ferns: the church of St Mary’s Abbey | O’Keeffe, Tadhg | Article in Book | | 2023 |
| The architecture of the Cistercian churches of Ireland, 1142-1272 | Stalley, Roger | Article in Book | | 1986 |
| The architecture of the Cistercian order in Ireland in the 12th and early 13th centuries | Leask, H. G. (Harold G.) | Article in Journal | | 1939 |
| The archives of the Sisters of Charity | O'Leary, Marie Bernadette | Article in Journal | | 1997 |
| The Armagh-Clogher dispute and the "Mellifont conspiracy" : diocesan politics and monastic reform in early thirteenth-century Ireland | Smith, Brendan, 1963- | Article in Journal | | 1991 |
| The arrivals of the Dominicans in Ireland in 1224 and the question of Dublin and Drogheda : the sources re-examined | Williams, Bernadette | Article in Book | | 2013 |
| The Arroasian Order in medieval Ireland | Dunning, P. J. | Article in Journal | | 1945 |
| The artistic and cultural activities of the Caldwells of Castle Caldwell, 1750-1783 | Barnard, T. C. (Toby Christopher) | Article in Journal | | 2007 |
| The artistic influency of Lindisfarne within Northumbria | Cramp, Rosemary | Article in Book | | 1992 |
| The astronomy of Macrobius in Carolingian Europe : Dungal's letter of 811 to Charles the Great | Eastwood, Bruce Stansfield | Article in Journal | | 1994 |
| The Athassel tomb | Manning, Conleth | Article in Journal | | 2005 |
| The Athenry house-chronicle, 1666-1779 | NA | Article in Journal | | 1968 |
| The Augustinian abbey of St Mary the Virgin, Cong, Co. Mayo | Leask, H. G. (Harold G.) | Article in Journal | | 1941 |
| The Augustinian canons and the development of late medieval Irish pilgrimage | Nugent, Louise | Article in Book | | 2019 |
| The Augustinian convent of medieval Cork | O'Sullivan, Denis | Article in Journal | | 1941 |
| The Augustinian friaries in pre-reformation Ireland | Martin, F. X. (Francis Xavier), 1922-2000 | Article in Journal | | 1956 |
| The Augustinian friary, Naas | Clarke, J. K. | Article in Journal | | 1968 |
| The Augustinian priory of Kells, Co. Kilkenny : an exploration : a visitor's guide and explanation | Tietzsch-Tyler, Daniel | Monograph or Collective Volume | K.R.E.T.E (Kells Region Economic & tourism Enterprise Ltd) | 1993 |
| The Augustinian priory of St Mary, Clontuskert O Many | Egan, Patrick K. | Article in Journal | | 1946 |
| The Augustinian priory, Adare | Hewson, R. F. | Article in Journal | | 1938 |
| The Augustinians and Dunmore | Birmingham, Hubert | Article in Journal | | 1994 |
| The Augustinians in Abbeyside, 1290-1990 | Fraher, William | Monograph or Collective Volume | Augustinian 700 Committee | 1990 |
| The Augustinians in Dublin | Kelly, David | Article in Journal | | 2005 |
| The Bad Times: Waterford Country Houses During the Revolutionary Period | Fraher, William | Monograph or Collective Volume | Waterford County Museum | 2022 |
| The ball at Rosborough House, 1895 | Marrinan, S. | Article in Journal | | 1984 |
| The Ballymacarett glasshouses in East Belfast | Keery, Martin | Article in Book | | 2010 |
| The baptismal font of Clonard, Co. Westmeath | Harris, Dorothy C. | Article in Journal | | 1940 |
| The bawn exposed : recent excavations at Barryscourt | Pollock, David | Monograph or Collective Volume | Gandon Editions in association with the Barryscourt Trust | 1999 |
| The Bective Abbey project, Co. Meath: excavations 2009-12 | Stout, GeraldineStout, Matthew | Monograph or Collective Volume | Wordwell | 2016 |
| The Bedside book of dormers and other delights : a pictorial guide to traditional architectural details in Ulster | Patton, Marcus | Monograph or Collective Volume | Ulster Architectural Heritage Society | 2011 |
| The beginnings of Christianity (5th and 6th centuries) | Ó Fiaich, Tomás | Article in Book | | 1967 |
| The beginnings of the Christian Brothers : their relations with various ecclesiastical authorities | Fitzpatrick, J. D. | Article in Journal | | 1962 |
| The Benedictine priory of Kilcommon | O'Brien, Richard | Article in Journal | | 2003 |
| The Benedictine priory of Ross | Coombes, J. | Article in Journal | | 1968 |
| The Benedictines in medieval and early-modern Ireland | Ó Clabaigh, Colmán N. | Article in Book | | 2005 |
| The Benedictines in medieval Ireland | Varebeke, H. J. de | Article in Journal | | 1950 |
| The big house | O'Sullivan, T. F. | Article in Journal | | 1977 |
| The big house : a genealogist's perspective and a personal point of view | McDowell, Henry | Article in Book | | 1992 |
| The big house : space, place, and identity in Irish fiction | Norris, Claire | Article in Journal | | 2004 |
| The big house and Irish history : an introductory sketch | Rauchbauer, Otto | Article in Book | | 1992 |
| The big house in Irish literature | Kennedy, Dorothy A. | Article in Journal | | 1989 |
| The big house in western Ireland | Mac Aodha, Breandán | Article in Book | | 1991 |
| The Blacker family in 1798. (The following is a chapter from the forthcoming book on 'Kelly and Killane in 1798') | Codd, Mark | Article in Journal | | 2005 |
| The Blackfriars of Trim, Co. Meath and the legacy of Geoffrey de Geneville | O'Carroll, Finola | Article in Book | | 2019 |
| The book of Inistrahull | Beattie, Sean | Monograph or Collective Volume | Lighthouse Publications | 1997 |
| The book of Kells : Reproductions of the manuscript in Trinity College, Dublin | Henry, Françoise, 1902-1982 | Monograph or Collective Volume | | 1974 |
| The Book of Kells and Iona | Mayvaert, Paul | Article in Journal | | 1989 |
| The book of receptions and professions of the Franciscan novitiate in Drogheda, 1860-1877 | Conlan, Patrick, 1940- | Article in Journal | | 1990 |
| The book of receptions and professions of the Franciscan novitiate in Drogheda, 1860-77 | Conlon, Patrick | Article in Journal | | 1990 |
| The book of the Skelligs | | Monograph or Collective Volume | Cork University Press | 2022 |
| The books of Kelly's | Kelly, BillKelly, Vonnie | Monograph or Collective Volume | Zeus Publishing | 1995 |
| The Brazen Head revisited | Dawson, Timothy | Article in Journal | | 1973 |
| The Brendan legend : texts and versions | | Monograph or Collective Volume | Brill | 2006 |
| The Bridge Castle, Thomastown, Co. Kilkenny | Murtagh, Ben | Article in Book | | 1988 |
| The British stable | Worsely, Giles | Monograph or Collective Volume | Yale University Press | 2004 |
| The building and furnishing of a Dublin townhouse in the 18th century | Griffin, David J. | Article in Journal | | 1996 |
| The building of Ballykilbeg House, Co. Down 1790-1792 | Waterman, D. M. | Article in Journal | | 1962 |
| The building of the mansion at Blessington, 1672 | De Breffney, Brian | Article in Journal | | 1988 |
| The Burke family of St Clerans | Henry, William | Monograph or Collective Volume | Merv Griffin | 1999 |
| The burning of Carker Lodge | Shine, Michael | Article in Journal | | 1988 |
| The Burning of Irish Country Houses, 1920-21 | Dooley, Terence | Article in Book | | 2017 |
| The burning of Spaights', Union Hall 1921 | Donnelly, James S., JrNí Chonaill, Áine | Article in Journal | | 2014 |
| The Butlers and Galley Head | Butler, Gerald | Article in Journal | | 2002 |
| The call of the north : a history of the Sisters of Mercy, Down and Connor Diocese, Ireland, from the founding to the Mercy Irish National Union, 1854-1994 | Duddy, Marie | Monograph or Collective Volume | Ulster Historical Foundation | 2010 |
| The canons and canonesses of St Augustine at Clonfert | Cunniffe, Christy | Article in Book | | 2019 |
| The canons regular of St Augustine : the twelfth-century reform in action | Preston, Sarah, M. | Article in Book | | 2000 |
| The canons regular of St Augustine in medieval Ireland: an overview | Preston, Sarah | Thesis | | 1996 |
| The Capuchins in Cork | Walsh, T. J. (Thomas Joseph) | Article in Journal | | 1952 |
| The Capuchins in Cork | Larkin, Paschal | Article in Journal | | 1976 |
| The Capuchins in Dublin | Conrad, Fr. | Article in Journal | | 1972 |
| The Capuchins in Ireland | Paschal, Father | Article in Journal | | 1964 |
| The Carmelite cell of Bealaneny | Egan, Paddy | Article in Journal | | 1955 |
| The Carmelite nuns in Dublin, 1644-1829 | Kingston, John | Article in Journal | | 1964 |
| The Carmelite Order in Pre-Reformation Ireland | O'Dwyer, Peter | Article in Journal | | 1969 |
| The Carmelite order in pre-Reformation Ireland | O'Dwyer, Peter | Article in Journal | | 1969 |
| The Carmelites in Ardee | Mac Íomhair, Diarmuid | Article in Journal | | 1983 |
| The Carmelites of Leighlinbridge | Burke, Patrick | Article in Journal | | 2000 |
| The Caroline tradition in the Church of Ireland, with particular reference to Bishop J. Taylor | Bolton, F. R. | Monograph or Collective Volume | SPCK | 1958 |
| The castle of Enniskillen | Lawlor, H.C. | Article in Journal | | 1926 |
| The Castle of Offerlane, Castletown, Co. Laois | O'Neill, Timothy | Article in Journal | | 2022 |
| The castles of county Cork | Healy, James N. | Monograph or Collective Volume | Mercier Press | 1988 |
| The castles of Lough Derg: an illustrated survey | Larkin, Patrick | Article in Journal | | 2012 |
| The Cathedral of St. Patrick's Rock, Cashel and its restoration | Dean of Cashel | Monograph or Collective Volume | Friends of Cashel | 1946 |
| The Céli Dé - monastic reforms in 8th and 9th century Ireland | McCafferty, John | Article in Journal | | 1989 |
| The Céli Dé reform | O'Dwyer, P. | Article in Book | | 1984 |
| The cell of the canonesses regular of St Augustine at Clonoghill | Moore, Arthur | Article in Journal | | 1969 |
| The Celtic and Roman traditions : conflict and consensus in the early medieval church | Corning, Caitlin | Monograph or Collective Volume | Palgrave Macmillan | 2006 |
| The Celtic churches : a history, AD 200-1200 | McNeill, J. T. | Monograph or Collective Volume | Chicago University Press | 1974 |
| The Celtic expansion : a lecture given during the St. Columba celebrations ... in 1963 | Johnston, T. J. | Monograph or Collective Volume | A.P.C.K. | 1965 |
| The Celtic monastery of Cork | MacCarthy, Charles | Article in Journal | | 1943 |
| The Celtic monk : rules and writings of early Irish monks | Ó Maidín, Uinseann | Monograph or Collective Volume | Cistercian Publications | 1996 |
| The Chamberlain family connection with St Clerans | Henry, William | Monograph or Collective Volume | Merv Griffin | 1999 |
| The changing monastic and political landscape of Ferns in context, twelfth to fifteenth century | Lafaye, Anne-Julie | Article in Book | | 2023 |
| The Charles II charter | Butler, Hubert | Article in Journal | | 1977 |
| The charter of Clare Abbey and the Augustinian 'province' in Co. Clare | MacMahon, Michael | Article in Journal | | 1993 |
| The charter of John, lord of Ireland, in favour of the Cistercian abbey of Baltinglass | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1985 |
| The charters of the Cistercian abbey of Duiske in the county of Kilkenny | NA | Article in Journal | | 1918 |
| The Christian Brothers and the diocese of Derry | Ledwidge, John | Article in Book | | 2000 |
| The Christian Brothers in New Ross, first century, 1849-1949 | Donovan, Patrick | Monograph or Collective Volume | The People Newspaper | 1952 |
| The Christian Brothers in Thurles | Ó Dúgáin, Seán | Article in Book | | 1989 |
| The Christian mission | Corish, Patrick J. | Monograph or Collective Volume | Gill | 1972 |
| The Christianisation of the insular Celts during the sub-Roman period and its repercussions on the continent | Bieler, Ludwig | Article in Journal | | 1968 |
| The chronological structure of the sixth age in the Rawlinson fragment of the 'Irish World-Chronicle' | Miller, Molly | Article in Journal | | 1991 |
| The church and the Anglo-Norman colonisation of Ireland : a case study of the priory of Fore | Masterson, Rory | Article in Journal | | 2000 |
| The church and the native tradition of learning in early medieval Ireland | Moisl, Hermann | Article in Book | | 1987 |
| The church and tower house at Dowth, County Meath | Stout, Geraldine | Article in Book | | 2007 |
| The church at the end of the sixth century | Ryan, J. | Article in Journal | | 1951 |
| The church in late medieval County Louth | Jefferies, Henry A | Article in Book | NA | 2023 |
| The Church in medieval Ireland | Watt, John | Monograph or Collective Volume | Gill & Macmillan | 1972 |
| The church in medieval Ireland | Watt, John A. | Monograph or Collective Volume | University College Dublin Press | 1998 |
| The church lands of county Armagh | Glancy, Michael | Article in Journal | | 1957 |
| The Church of Ireland AD 432-1932. The Report of the Church of Ireland Conference held in Dublin, 11th-14th October, 1932, to which is appended on account of the commemoration by the Church of Ireland of 1500th anniversary of the landing of St Patrick | | Monograph or Collective Volume | | 1932 |
| The Church of Ireland parish and church of Castleventry | Peters, Dean Christopher | Article in Journal | | 2011 |
| The churches and abbeys of Ireland | De Breffny, BrianMott, George | Monograph or Collective Volume | Thames & Hudson | 1976 |
| The churches, monasteries and burial grounds of the Burren | Swan, D. L. | Article in Book | | 1991 |
| The Cistercial monasteries of Ireland revisited | Stalley, Roger | Article in Book | | 2012 |
| The Cistercian abbey at Abbeylaragh, A.D. 1205-1540 | Kearney, Patrick | Article in Journal | | 1969 |
| The Cistercian abbey of Deer | Fawcett, Richard | Article in Book | | 2008 |
| The Cistercian abbey of Inislounaght | Conway, Colmcille | Article in Journal | | 1956 |
| The Cistercian Abbey of Kilbeggan, 1150-1540 | Masterson, Rory | Article in Journal | | 2004 |
| The Cistercian Abbey of St Mary de Castro Dei, Fermoy, Co. Cork | O'Sullivan, Denis | Article in Journal | | 1946 |
| The Cistercian abbey of St Mary de Fonte Vivo, diocese of Ross, Co. Cork | O'Sullivan, Denis | Article in Journal | | 1944 |
| The Cistercian Abbey of Tracton, Co. Cork | O'Sullivan, Denis | Article in Journal | | 1939 |
| The Cistercian abbeys of Munster | Power, Patrick | Article in Journal | | 1938 |
| The Cistercian abbeys of Tipperary | Donovan, FinbarrÓ Conbhuidhe, Colmcille | Monograph or Collective Volume | Four Courts | 1999 |
| The Cistercian grange : a medieval farming system | Stout, Geraldine | Article in Book | | 2015 |
| The Cistercian settlement of Ireland | Carville, Geraldine | Article in Journal | | 1973 |
| The Cistercians in Wexford | Colfer, Billy | Article in Book | | 2007 |
| The Claddagh village | Anonymous | Article in Book | | 1991 |
| The clergy of the diocese of Derry : an index | Daly, EdwardDevlin, Kieran | Monograph or Collective Volume | Four Courts | 1997 |
| The clock tower at Farmleigh, Castleknock | Jacob, W. J. | Article in Journal | | 1947 |
| The cloister masons - Ennis friary | Kearns, Mary | Article in Journal | | 2003 |
| The Clonmel monastic extents of 1542 | O'Connell, P. | Article in Journal | | 1954 |
| The coarb and twelfth-century reform | Barry, J. G. | Article in Journal | | 1957 |
| The coarb in medieval times | Barry, J. G. | Article in Journal | | 1958 |
| The Colophon Drawing in the Book of Mulling : A Supposed Irish Monastery Plan and the Tradition of Terminal Illustration in Early Medieval Manuscripts | Nees, L. | Article in Journal | | 1983 |
| The combined byre-and-dwelling in Ireland | Ó Danachair, Caoimhín, 1913-2002 | Article in Journal | | 1964 |
| The coming of reform, 1500-58 | Gillespie, Raymond | Article in Book | | 2000 |
| The coming of the Franciscans | O'Donnell, Vincent | Article in Journal | | 1991 |
| The coming of the friars | O'Sullivan, Benedict, 1887-1970 | Article in Journal | | 1948 |
| The community of Clonard, sixth to twelfth centuries | Byrne, Paul | Article in Journal | | 1985 |
| The community of St Isidore's College during the second French occupation of Rome, 1810-14 | Millett, Benignus | Article in Journal | | 1990 |
| The Congregational church in Mallow | Rutherford, Colman | Article in Journal | | 2012 |
| The Connollys of Castletown : a family history | Boylan, Lena, d. 2000 | Article in Journal | | 1968 |
| The Conservation of Irish houses, 1984-2004 | Hill, Judith | Article in Journal | | 2004 |
| The conspiracy of Mellifont, 1216-1231 : an episode in the history of the Cistercian order in medieval Ireland | O'Dwyer, B. W. | Monograph or Collective Volume | Historical Association | 1970 |
| The Constitution of the Dominican Order : 1216-1360 | Galbraith, Georgina Rosalie | Monograph or Collective Volume | Manchester University Press | 1925 |
| The consumption and sociable use of alcohol in eighteenth-century Ireland | Kelly, James, 1959- | Article in Journal | | 2015 |
| The contents of Burton Hall, Co. Cork in 1686 | De Breffney, BrianFfolliott, Rosemary | Article in Journal | | 1973 |
| The contribution of Irish Franciscans on the continent in the seventeenth century | Giblin, Cathaldus, OFM | Article in Book | | 1981 |
| The contribution of Irish Franciscans on the Continent in the seventeenth century | Giblin, Cathaldus | Article in Book | | 1981 |
| The contribution of the Presentation Brothers to Irish education 1960-1998 : a study of a Roman Catholic religious teaching institute in a time of change and transition | Kenneally, Michael Martin | Thesis | | |
| The convent national school in Mallow | Leahy, Melissa | Article in Journal | | 1990 |
| The Convent of Mercy and the Industrial School | Harron, Michael | Article in Book | | 2000 |
| The convents and religious orders in New Ross | Doyle, Jim | Article in Book | | 2001 |
| The conversion of the Barbarian peoples | Wood, Ian N. | Article in Book | | 1981 |
| The Cork Decretal letter of 1199 A.D. | Ó Murchadha, Diarmuid | Article in Journal | | 2001 |
| The coucher book of Furness abbey. 2 vols. in 6 | | Monograph or Collective Volume | | 1886 |
| The country house - the life of the gentry | Butler, Hubert | Article in Book | | 1957 |
| The country house described : and index to the country houses of Great Britain and Ireland | Holmes, Michael | Monograph or Collective Volume | St Paul's Bibliographies with the Victoria & Albert Museum | 1986 |
| The country house is just like a flag | Cross, Sophia | Article in Book | | 2004 |
| The country houses and designed landscapes of Fingal | Reeves-Smyth, Terence | Article in Book | | 2005 |
| The crisis in the Cistercian monasteries in Ireland in the early thirteenth century | O'Dwyer, B. W. | Article in Journal | | 1975 |
| The Crutched friars | Bulloch, J. | Article in Journal | | 1949 |
| The cult of relics and expressions of wealth at eleventh- and twelfth-century Ferns | Colbert, Kate | Article in Book | | 2023 |
| The cult of St Patrick in the vicinity of Drakenstein | Mesmer, Gertrude | Article in Journal | | 1962 |
| The darkness echoing : exploring Ireland's places of famine, death and rebellion | O'Brien, Gillian | Monograph or Collective Volume | Doubleday Ireland | 2020 |
| The days of Dan's | McCloskey, Kieran | Article in Journal | | 2007 |
| The decline and fall of Castle Tenison, Keadue | Delaney, Vincent | Article in Journal | | 2019 |
| The decline of Carton House and estate, 1870-1950 | Dooley, Terence A. M. | Article in Journal | | 1994 |
| The decline of early Irish monasticism | Knox, R.B., Rev. | Thesis | | 1944 |
| The decline of early Irish monasticism | Knox, R. B. | Article in Journal | | 1945 |
| The decline of the big house in Ireland, 1879-1950 | Dooley, Terence A.M. | Thesis | | 1996 |
| The decline of the Big House in Ireland, 1879-1950 | Dooley, Terence A. M. | Article in Journal | | 1998 |
| The decline of the monastery and the emergence of the national monument | Tubridy, Mary | Article in Book | | 1987 |
| The demesne at Mitchelstown, Co. Cork | Henning, D. Vida | Article in Journal | | 1947 |
| The Derrynaflan hoard and early Irish art | Ryan, Michael | Article in Journal | | 1997 |
| The design of the early thirteenth-century cathedral church of Newtown Trim, Co. Meath | O'Keeffe, Tadhg | Article in Journal | | 2018 |
| The development of the church in the Diocese of Ferns in the twelfth and thirteenth centuries | Colfer, Billy | Article in Book | | 1999 |
| The diary of Sr M. Alphonsus (Brigid) Shelly, Sister of Mercy, of her journey from Callan Co Kilkenny to Parramatta, Sydney, Oct. 9 - Nov. 29, 1888 | Grace, Pierce | Article in Journal | | 2025 |
| The Diocese of Kilmore : c.1100-1800 | Kelly, Liam | Monograph or Collective Volume | Columba Press | 2017 |
| The diocese of Kilmore and the priory of Fore : 1000-1540 | Masterson, Rory | Article in Journal | | 2003 |
| The dispersal of the country house collections of Ireland | O'Connor, Cynthia | Article in Journal | | 1992 |
| The dissolution of the Augustinian communities in the Pale during the Henrician period | Scott, Brendan | Article in Book | | 2019 |
| The dissolution of the religious houses in the Tudor diocese of Meath | Scott, Brendan | Article in Journal | | 2005 |
| The dissolution to the foundation of St Anthony's College, Louvain, 1534-1607 | Lennon, Colm | Article in Book | | 2009 |
| The distinction between coarb and erenagh | Barry, J. G. | Article in Journal | | 1960 |
| The distribution of early medieval ecclesiastical sites in Ireland | Stout, Matthew | Article in Book | | 2012 |
| The distribution of Irish scriptoria and centres of learning | Hughes, Kathleen Winifred | Article in Book | | 1958 |
| The Dominican annals of Dublin | Williams, Bernadette | Article in Book | | 2001 |
| The Dominican church at Athenry | Macalister, R. A. S. (Robert Alexander Stewart) | Article in Journal | | 1913 |
| The Dominican order in Carlingford and Dundalk | Curran, Arthur | Article in Journal | | 1968 |
| The Dominicans in Clonmel | Taheny, Luke J. | Article in Book | | 1950 |
| The Dominicans in Cork : a brief account of the Order in Cork since 1229 | MacAuliffe, Margaret M. | Monograph or Collective Volume | Paramount P. | 1939 |
| The Dominicans in Ireland : a comparative study of the east Munster and Leinster settlements | Lafaye, Anne-Julie | Article in Journal | | 2015 |
| The Dominicans in Kerry, 1243-1987 | | Monograph or Collective Volume | Kerry County Library | 1987 |
| The Dominicans in medieval Dublin | O'Sullivan, Benedict, 1887-1970 | Article in Journal | | 1947 |
| The Dominicans of Aghaboe c.1382-1782 | Flynn, T. S. | Monograph or Collective Volume | Dominican Publications | 1975 |
| The Dominicans of Arklow (1264-1793) | Walsh, Dermot | Article in Journal | | 1971 |
| The Dominicans of Galway, 1488-1988 | Fenning, Hugh | Article in Book | | 1991 |
| The Dominicans of Mullingar, 1237-1610 | Fenning, Hugh | Article in Journal | | 1964 |
| The Dominicans of Mullingar, 1622-1654 | Fenning, Hugh | Article in Journal | | 1966 |
| The Dominicans of Mullingar, 1667-1696 | Fenning, Hugh | Article in Journal | | 1968 |
| The Dominicans of Rosbercon (1267 - c.1800) | Flynn, Thomas S. | Monograph or Collective Volume | The author | 1981 |
| The Dominicans of Trim : 1263-1682 | Fenning, Hugh | Article in Journal | | 1963 |
| The Dominicans of Trim, 1713-1833 | Fenning, Hugh | Article in Journal | | 1962 |
| The Donaghmore Franciscans | Ó Doibhlin, Éamon | Article in Journal | | 1958 |
| The door of two tales - past and present | Higgins, Aislinn | Article in Journal | | 2019 |
| The Dublin pub : a social and cultural history | Fallon, Donal | Monograph or Collective Volume | New Island Books | 2025 |
| The duchess of Ormonde's house at Dunmore, county Kilkenny | Fenlon, Jane | Article in Book | | 1997 |
| The duties of Coarb and Erenach | Barry, J. G. | Article in Journal | | 1960 |
| The Earl Bishop at Downhill | Cameron, J. | Article in Journal | | 1995 |
| The earliest educational work of the Irish Vincentians | O'Dowd, T. D. | Article in Journal | | 1962 |
| The earliest Irish annals : their first contemporary entries, and the earliest centres of recording | Smyth, Alfred P., 1942- | Article in Journal | | 1972 |
| The earliest monastic settlement, the church in Cloncurry | Holton, Karina | Article in Book | | 1999 |
| The earliest plans of Clonmacnoise | Manning, Conleth | Article in Journal | | 1994 |
| The early castles at Dromoland: Some historical notes | Breen, MartinUa Cróinín, Ristéard | Article in Journal | | 2019 |
| The early Christian ecclesiastical sites of County Westmeath | Swan, Leo, 1930-2001 | Article in Book | | 1988 |
| The early Christian monastic enclosure at Tullylish, Co. Down | Ivens, R. J. | Article in Journal | | 1987 |
| The early church in Tyrone to the twelfth century | Hamlin, Ann | Article in Book | | 2000 |
| The early church in western Britain and Ireland : studies presented to C.A. Ralegh Radford | | Monograph or Collective Volume | B.A.R. | 1982 |
| The early Franciscan years in Rossnowlagh | Conlan, Patrick, 1940- | Article in Journal | | 1998 |
| The early historic church-sites of north Clare | Sheehan, John | Article in Journal | | 1982 |
| The early history of Mayo of the Saxons | Orschel, Vera | Article in Book | | 2014 |
| The early history of St. Thomas' Abbey, Dublin | Gwynn, Aubrey | Article in Journal | | 1954 |
| The early history of the Irish Sisters of Mercy in Connacht | Cryan, Rosarii | Thesis | | 1963 |
| The early history of the town of Birr or Parsonstown | Cooke, Thomas LalorHogan, Margaret | Monograph or Collective Volume | Esker Press | 1990 |
| The early Irish church : from the coming of Christianity to the end of the Viking era | Hughes, Kathleen | Article in Book | | 1977 |
| The early Irish church and the Holy See | Ryan, J. | Article in Journal | | 1960 |
| The early Irish churches : some aspects of organization | Ó Corráin, Donnchadh | Article in Book | | 1981 |
| The early monastery of High Island | Scally, Geraldine | Article in Journal | | 1999 |
| The early period | Ó Fiaich, Tomás | Article in Book | | 1991 |
| The echo at Coole | Hassett, Joseph M. | Article in Book | | 2000 |
| The elephant and castle on Glaspistol Castle | Stalley, Roger | Article in Journal | | 2020 |
| The end of an era - The Auction at Johnstown Castle, 1944 | Laurence, DuncanWheeler, Matt | Article in Journal | | 2024 |
| The end of the Bay | McSparran, Malachy | Article in Journal | | 2001 |
| The enigmatic Alfred Beit. John Mulcahy visits the last resting place of Alfred and Clementine Beit in Blessington, County Wicklow | Mulcahy, John | Article in Journal | | 2015 |
| The Ennis Turkish Baths 1869-1878 | Beirne, Peter | Article in Journal | | 2008 |
| The Enniskillen family, estate and archive | Malcomson, A. P. W. | Article in Journal | | 1998 |
| The Erenagh in the monastic Irish church | Barry, J. G. | Article in Journal | | 1958 |
| The erenagh in the monastic Irish church | Barry, J. G. | Article in Journal | | 1958 |
| The estate of John Otway Wemys, Danesfort House, 1896 | O'Dwyer, Michael | Article in Journal | | 1998 |
| The ethnicity of Irish moated sites | O'Conor, Kieran Denis | Article in Book | | 2000 |
| The evolution of the Irish tower-house as a domestic space | Sherlock, Rory | Article in Journal | | 2011 |
| The evolution of Townley Hall | Mitchell, Frank | Article in Journal | | 1987 |
| The excavation of an early medieval house and souterrain at Drumadoon county Antrim | Barkley, Jonathan | Article in Journal | | 2016 |
| The excavation of the old Presbyterian Meetinghouse of Ramelton, Co. Donegal | Carroll, Judith | Article in Journal | | 1989 |
| The fall of the Lombard | Kirkpatrick, Diane | Article in Journal | | 2008 |
| The falling world | Ryan, John | Article in Book | | 1963 |
| The Famine museum and the restoration of Strokestown Park House | Casey, Marion R.Dodd, Luke | Article in Journal | | 1989 |
| The fat monks and the Skellig rocks | Pochin-Mould, Daphne | Article in Journal | | 2004 |
| The Fetherston family of Ardagh | Hodgins, John | Article in Journal | | 1980 |
| The fight at Burgatia House | O'Callaghan, Con | Article in Journal | | 2007 |
| The final years of the Franciscans in Kilkenny | MacMahon, Joseph | Article in Journal | | 2013 |
| The first fifty years of national schools in the Newcastle area and the Christian Brothers interlude | Dore, M. | Article in Journal | | 1981 |
| The first impact of the Reformation | Mooney, Canice | Monograph or Collective Volume | Gill | 1967 |
| The first Rosminians in England and Ireland; Rosminian houses in England | Emery, C. J. | Article in Book | | 1960 |
| The followers of Saint Francis in Donegal | Conlan, Pat | Article in Journal | | 2010 |
| The formative development of the Dominican and Franciscan orders in Ireland, with special reference to the Observant reform | Flanagan, J.G., Rev. | Thesis | | 1947 |
| The Fort of Dunrally | Tynan, P.J. | Article in Journal | | 2012 |
| The fortified house in Ireland | Sweetman, P. David | Article in Book | | 2000 |
| The fortified houses of County cork : origin, fabric, form function and social space | Nunan, Joe | Article in Book | | 2006 |
| The foundation legend of Laurencekirk revisited | Clancy, Thomas Owen | Article in Journal | | 1999 |
| The foundation of the Augustinian Friary at Galway : review of the sources | Walsh, Paul | Article in Journal | | 1985 |
| The foundation of the Cistercian Abbey of Dunbrody, Co. Wexford and its historical context | Doyle, Ian | Article in Journal | | 1992 |
| The foundation of Tintern Abbey, Co. Wexford | Bernard, J. H. (John Henry), 1860-1927 | Article in Journal | | 1917 |
| The Fox family : from Gaelic aristocrats to landed gentry | Shaw, Patricia | Article in Journal | | 2013 |
| The Franciscan Brothers in Westport | Thomas, Conal | Article in Journal | | 1999 |
| The Franciscan College Multyfarnham 1897-1997 : centenary lists | Fennessy, Ignatius | Article in Journal | | 1998 |
| The Franciscan convent at Nenagh | Gleeson, Dermot F. | Article in Journal | | 1938 |
| The Franciscan convents in Connacht. With notes thereon | Blake, Martin J. | Article in Journal | | 1928 |
| The Franciscan first order friary at Dungannon | Mooney, Canice | Article in Journal | | 1955 |
| The Franciscan Friary at Askeaton | Conlan, Patrick, 1940- | Article in Journal | | 2007 |
| The Franciscan friary at Drowse | Mooney, Canice | Article in Journal | | 1957 |
| The Franciscan friary at Kildare | Fennessy, Ignatius | Article in Journal | | 1996 |
| The Franciscan friary at Shean | O'Sullivan, Harold | Article in Journal | | 1972 |
| The Franciscan friary in Cavan | MacKiernan, Francis J. | Article in Journal | | 1999 |
| The Franciscan friary in Cavan : St Mary's Abbey, Cavan | MacKiernan, Francis J., 1926-2005 | Monograph or Collective Volume | Cumann Seanchais Bhréifne (Bréifne Historical Society) | 2000 |
| The Franciscan friary of Drogheda | Robb, C. J. | Article in Journal | | 1946 |
| The Franciscan friary of Jamestown | Mooney, Canice | Article in Journal | | 1946 |
| The Franciscan friary of Kilconnell | Bigger, Francis Joseph, 1863-1926 | Article in Journal | | 1902 |
| The Franciscan friary of Killconnell in the County of Galway : its history and its ruins | Bigger, Francis Joseph, 1863-1926 | Article in Journal | | 1900 |
| The Franciscan friary of medieval Cork | O'Sullivan, Denis | Article in Journal | | 1940 |
| The Franciscan Friary on Sherkin Island, Co. Cork. Excavations 1987-1990 | Lynch, Ann | Article in Journal | | 2018 |
| The Franciscan friary, Killarney, 1860-1902 | Conlon, Patrick | Article in Journal | | 1977 |
| The Franciscan friary, Nenagh, Co. Tipperary | Leask, H. G. (Harold G.) | Article in Journal | | 1938 |
| The Franciscan house in Thurles | Conlan, Patrick, 1940- | Article in Book | | 1989 |
| The Franciscan house in Thurles | Conlon, Patrick | Article in Journal | | 1977 |
| The Franciscan Library Killiney: the journey of a valuable historical repository | Bhreathnach, Edel | Article in Journal | | 2007 |
| The Franciscan ministry in the diocese of Clogher | Giblin, Cathaldus | Article in Journal | | 1970 |
| The Franciscan monasteries after the dissolution | Murray, L. P. | Article in Journal | | 1936 |
| The Franciscan Monastry of Kilkerrin | O'Rourke, Annette | Article in Book | | 2006 |
| The Franciscan noviciate in Wexford, 1805-22 | Conlan, Patrick | Article in Journal | | 2010 |
| The Franciscan petition lists : diocese of Armagh 1670-71 | Campbell, Patrick J. | Article in Journal | | 1992 |
| The Franciscan third order at Dungannon | Mooney, Canice | Article in Journal | | 1954 |
| The Franciscan Third Order Regular in Donegal | Conlan, Patrick, 1940- | Article in Journal | | 1997 |
| The Franciscans in Athlone | Grannell, Fergal | Monograph or Collective Volume | Franciscan Friary | 1978 |
| The Franciscans in Buttevant | Conlan, Patrick, 1940- | Article in Journal | | 2002 |
| The Franciscans in Carrick-on-Suir | Conlan, Patrick, 1940- | Article in Journal | | 2003 |
| The Franciscans in Clonmel | Darmody, W. C. | Article in Book | | 1950 |
| The Franciscans in Clonmel : 1269-1998 | Conlan, Patrick, 1940- | Article in Journal | | 1999 |
| The Franciscans in county Antrim | MacKavanagh, Patrick J. | Article in Journal | | 1979 |
| The Franciscans in county Clare | Murphy, Ignatius | Article in Journal | | 1984 |
| The Franciscans in county Mayo | Mooney, Canice | Article in Journal | | 1959 |
| The Franciscans in County Wexford | Conlan, Patrick, 1940- | Article in Journal | | 2006 |
| The Franciscans in Dundalk | O'Sullivan, Harold | Article in Journal | | 1961 |
| The Franciscans in Elphin | Giblin, Cathaldus | Article in Journal | | 1988 |
| The Franciscans in Ireland | Mooney, Canice | Article in Journal | | 1957 |
| The Franciscans in Ireland : some prominent Irish conventuals | Mooney, Canice | Article in Journal | | 1955 |
| The Franciscans in Ireland, 1400-1534 : from reform to reformation | Ó Clabaigh, Colmán N. | Monograph or Collective Volume | Four Courts | 2002 |
| The Franciscans in Ireland; the Third Order | Mooney, Canice | Article in Journal | | 1956 |
| The Franciscans in Kilkenny | MacMahon, Joesph | Article in Journal | | 2012 |
| The Franciscans of Trim: the later years | Conlan, Patrick | Article in Journal | | 2014 |
| The Fransciscans in Antrim | Conlan, Pat | Article in Journal | | 2013 |
| The friars and friary of Donegal, 1474-1840 | Mooney, Canice | Article in Book | | 1952 |
| The Friars in Ireland, 1224-1540 | Ó Clabaigh, Colmán N. | Monograph or Collective Volume | Four Courts | 2012 |
| The Friars Minor and the Honan Hostel, University College, Cork | Egan, Bartholomew, OFM | Article in Journal | | 1980 |
| The Friars Minor in County Wicklow, Ireland, 1260-1982 | Millett, Benignus | Article in Journal | | 1984 |
| The friars minor in Dublin, 1232-1939 | Cleary, Gregory | Monograph or Collective Volume | Assisi Press | 1939 |
| The friars of Broad Lane : the story of a Franciscan friary in Cork, 1229-1977 | Mooney, C. | Monograph or Collective Volume | Tower Books | 1977 |
| The friary of Muckross, commonly called 'Muckross Abbey' | Leask, H. G. (Harold G.) | Monograph or Collective Volume | The Stationery Office | 1941 |
| The friary of Ross : foundation and early years | Mooney, Canice | Article in Journal | | 1961 |
| The function of hospitaller houses in England, Ireland, Scotland and Wales | Majoros, Christie | Thesis | | |
| The furnishings of a Palladian house in 1742-3 : Barbavilla, Co. Westmeath | | Article in Journal | | 1979 |
| The furnishings of an 18th century inn | Anonymous | Article in Journal | | 1970 |
| The Gaelic court and Irish country-house poetry : the politics of an overlooked genre | Palmer, Patricia | Article in Book | | 2024 |
| The Galley Head lighthouse | O'Donovan, Rachel | Article in Journal | | 2007 |
| The Galway Augustinians, Vol 1 : an abbey dies | O'Connor, John | Monograph or Collective Volume | Good Counsel Press | 1979 |
| The gap below the castle in Ireland | McNeill, T. E. | Article in Book | | 2002 |
| The gardens of Bantry House, Co. Cork | Everett, Nigel | Article in Journal | | 2000 |
| The gate lodges of Ulster : a gazetteer | Dean, J. A. Kimmitt | Monograph or Collective Volume | Ulster Architectural Heritage Society | 1994 |
| The gay soul of Mary Aikenhead : a strange story of an heroic life | Gallagher, Frank | Article in Journal | | 1958 |
| The genesis of convent foundations and their institutions in Ulster, 1840-1920 | O'Connell, Marie | Article in Book | | 1994 |
| The geography of Irish manors : the example of the Llanthony cells of Duleek and Colp, county Meath, with an appendix by John Bradley | Simms, Anngret | Article in Book | | 1988 |
| The Geologist at the Luncheon-table | Cole, Grenville A. | Article in Journal | | 1895 |
| The Georgian squares of Dublin | Butler, Eleanor | Article in Journal | | 1946 |
| The Georgian townhouses of Waterford | Lumley, I. W. J. | Article in Journal | | 1987 |
| The glass house at Gurteens, and glass developments of Ireland before its establishment | Tyler, G. | Article in Journal | | 1973 |
| The Glebe (Glenard House), Manus, Clarecastle, Co. Clare, 1822-2012 | McCarthy, Lorraine H. | Monograph or Collective Volume | | 2012 |
| The golden age of early Irish monasticism : myth or historical reality? | Smyth, Alfred P., 1942- | Article in Book | | 2002 |
| The golden age of the Irish Franciscans, 1615-50 | Mooney, Canice | Article in Book | | 1944 |
| The Gore-Booths of Lissadell | James, Dermot | Monograph or Collective Volume | Woodfield Press | 2004 |
| The Gospel Book of Macregol of Birr | Hogan, Margaret | Article in Journal | | 2009 |
| The grand priory of Ireland at Kilmainham : St. John's Well and Bully's Acre | Peart, N. | Article in Journal | | 1969 |
| The Grangs - a 19th century house at Kill of the Grange | Laffan, Moira | Monograph or Collective Volume | Foxrock Local History Club | 1986 |
| The Great Chimneypiece of Danganbrack Castle and Ballykilty Manor | Breen, Martin
| Article in Journal | | 2024 |
| The greatest monastic establishment in Mayo | Forde, Brendan | Article in Journal | | 1987 |
| The Greenes of Hill House, Lecarrow | Devlin, AudreyDevlin, Ricky | Article in Journal | | 2004 |
| The Gresham for style | Sands, Christopher | Monograph or Collective Volume | Eblana Publications | 1994 |
| The Gresham Hotel, 1865-1965 | O'Connor, Ulick | Monograph or Collective Volume | Gresham Hotel | 1965 |
| The growth and distribution of the Cistercian order in medieval Europe | Donkin, R. A. | Article in Journal | | 1967 |
| The guardian of Donegal Friary [Sean MacGrath] appeals to Philip II of Spain, 1596 | Millett, Benignus | Article in Journal | | 1985 |
| The guardians at Bunamargy Friary, Co Antrim | Fennessy, Ignatius | Article in Journal | | 2013 |
| The hall house at Kilteasheen, Co. Roscommon, Ireland | Thomas, Finan | Article in Journal | | 2010 |
| The Hardens of Harrybrook | Moore, Patrick Cardwell | Article in Journal | | 2019 |
| The Hellfire Club, Co. Dublin | Fewer, Michael | Article in Journal | | 2010 |
| The Heraldry of old signs | Vinycomb, John | Article in Journal | | 1895 |
| The heritage of Clonmacnoise | Anonymous | Monograph or Collective Volume | Environmental Sciences Unit T.C.D. and County Offaly V.E.C. | 1987 |
| The heritage of Holy Cross | Carville, Geraldine | Monograph or Collective Volume | Blackstaff Press | 1973 |
| The hidden towers | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 1992 |
| The High Street excavations | Ó Ríordáin, Breandán | Article in Book | | 1976 |
| The Hill of the Fairies | Bonsall, JamesBrandherm, DirkKahlert, ThorstenKytmannow, TatjanaMcSparron, CormacWilkinson, Anthony | Article in Journal | | 2018 |
| The Historical Manuscripts Commission and the Franciscan manuscripts | Gillespie, Raymond | Article in Journal | | 2007 |
| The historiography of the papers of Bishop James Doyle OSB, 1786-1834, in the Kildare and Leighlin diocesan archives | McGrath, T. G. | Article in Journal | | 1988 |
| The history and antiquities of the parish of Dunnamaggan | Lahert, Richard | Monograph or Collective Volume | Kerryman | 1956 |
| The history and people of Stillorgan House | Kennedy, JoeKirkpatrick, Barbara | Article in Journal | | 2017 |
| The history of Ballymore Eustace | Anonymous | Monograph or Collective Volume | Ballymore Eustace Development Group | 1992 |
| The history of Brother Peter Higgins. From the Fields of Athenry to the City of Sydney | Anonymous | Article in Journal | | 2004 |
| The history of Granard Convent of Mercy | Foley, Anne M. | Article in Journal | | 2008 |
| The history of Loftus Hall, 1871 - centenary year, 1971 | Walsh, Thomas P. | Article in Journal | | 1974 |
| The history of Moylagh Hill | Moylagh Historical Society | Monograph or Collective Volume | Moylagh Historical Society | 2012 |
| The history of the Irish Presentation Sisters in the twentieth century : from autonomy to union | O'Reilly, Louise | Thesis | | 2009 |
| The history of the monastic site of Inis Cealtra, Co. Clare | De Paor, Liam | Article in Journal | | 1996 |
| The history of the site of St. Mary's Priory, Coleraine | Girvan, Donald | Article in Journal | | 1999 |
| The house of Corkagh | Devine, Joseph | Monograph or Collective Volume | South Dublin Libraries | 2003 |
| The house on the ridge of the weir : the story of the brothers and community of Saint John of God, Saint Mary's Drumcar : fifty years serving the needs of persons with learning disabilities in the county of Louth | O'Sullivan, Harold | Monograph or Collective Volume | Drumcar Park Enterprises | 1998 |
| The Hunt family and Milltown Castle | Salmon, Patrick | Article in Journal | | 2020 |
| The I.H.S. monogram as a symbol of Catholic resistance in seventeenth-century Ireland | Donnelly, Colm J. | Article in Journal | | 2005 |
| The idea of monastic austerity in early Ireland | Etchingham, Colmán | Article in Book | | 1999 |
| The illustrated Columcille | | Monograph or Collective Volume | Macmillan | 1991 |
| The impact of the native Irish on the Cistercians in the thirteenth century | O'Dwyer, B. W. | Article in Journal | | 1967 |
| The impact on the Commissioners of Irish Lights of the war at sea and the Easter Rising | Kennedy, Michael | Article in Journal | | 2017 |
| The implications of 'paruchia' | Etchingham, Colmán | Article in Journal | | 1993 |
| The importance of the tower house in the late medieval society of Breifne | McCarthy, Judith | Article in Journal | | 1989 |
| The importance of the towerhouse in the late medieval society of Breifne | McCarthy, Judith | Article in Journal | | 1989 |
| The Inn of Glentane, Castleblakeney, County Galway | Dolan, Steve | Monograph or Collective Volume | Irish Workhouse Centre | 2017 |
| The Institute of Charity: Rosminians. Their Irish story, 1860-2003 | Bates, Bríd Fahey | Monograph or Collective Volume | Institute of Charity, Dublin | 2003 |
| The Irish Aesthete : ruins of Ireland | O'Byrne, Robert | Monograph or Collective Volume | CICO Books | 2019 |
| The Irish analogies for the Romano-British barn-dwelling | Richmond, I. A. | Article in Journal | | 1932 |
| The Irish audience of the Vita Sancti Malachiae | Patterson, Raymond A. | Article in Journal | | 2007 |
| The Irish Augustinian reform movement in the fifteenth century | Martin, F. X. (Francis Xavier), 1922-2000 | Article in Book | | 1961 |
| The Irish Augustinians in England and Scotland, 1539-1992 : the Irish province-restorer of its Anglo-Scottish mother province | Hackett, Michael Benedict | Article in Book | | 1994 |
| The Irish Augustinians in Rome, 1656-1956 | Martin, F. X. (Francis Xavier), 1922-2000 | Article in Book | NA | 1956 |
| The Irish Baptist foreign mission | Luke, David | Article in Book | | 2015 |
| The Irish Benedictine congregation in medieval Germany | Binchy, D. A. (Daniel Anthony), 1900-1989 | Article in Journal | | 1929 |
| The Irish Benedictine nuns : from Ypres to Kylemore | Villiers-Tuthill, Kathleen | Article in Book | | 2005 |
| The Irish Benedictines : a history | | Monograph or Collective Volume | Columba | 2005 |
| The Irish Capuchins in the United States of America | Conrad, Fr. | Article in Journal | | 1973 |
| The Irish Carmelites (of the Ancient Observance) | O'Dwyer, Peter | Monograph or Collective Volume | | 1988 |
| The Irish cartularies of Llanthony Prima & Secunda; edited from the MSS. in the Public Record Office, London | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1953 |
| The Irish cathedral priory of Holy Trinity (Christ Church), Dublin: an ecclesiastical oddity | Kinsella, Stuart | Thesis | | 1997 |
| The Irish church in the eleventh and twelfth centuries | Gwynn, AubreyO'Brien, Gerard | Monograph or Collective Volume | | 1992 |
| The Irish College at Salamanca | Henchy, Monica | Article in Journal | | 1981 |
| The Irish College at Santiago de Compostela, 1605-1769 | O Connell, Patricia | Monograph or Collective Volume | Four Courts | 2007 |
| The Irish College under the Jesuits (1635-1772) | Devitt, Patrick | Article in Journal | | 1968 |
| The Irish contribution to the penitential tradition | Meens, Rob | Article in Book | | 2016 |
| The Irish convent chapel: the inspiration, design and patronage | Gilmartin, John Patrick Maiben | Thesis | | 2001 |
| The Irish convent of Micheál Ó Cléirigh | Jennings, Brendan | Article in Journal | | 1958 |
| The Irish country house | Peill, JamesThe Knight of Glin | Monograph or Collective Volume | Vendome Press | 2010 |
| The Irish country house : a social history | Somerville-Large, Peter | Monograph or Collective Volume | Sinclair-Stevenson | 1995 |
| The Irish crusade : a history of the Knights Hospitaller, the Knights Templar, and the Knights of Malta, in the south-east of Ireland | Byrne, Niall J. | Monograph or Collective Volume | Linden Publishing | 2007 |
| The Irish dames of Ypres and the Butler connection | Butler, John J. | Article in Journal | | 1988 |
| The Irish dimension of an Australian religious sisterhood : the Sisters of Saint Joseph | Tranter, Janice | Article in Book | | 1996 |
| The Irish Dominican archive : giving the order's history a future | Cunningham, John M. | Article in Journal | | 2025 |
| The Irish Dominican mission to the Danish West Indies, 1758-71 | Fenning, Hugh | Article in Journal | | 1965 |
| The Irish Dominican province (1761-1765), with some notes on its missionaries in Scotland (1765-1773) | Fenning, Hugh | Article in Journal | | 1977 |
| The Irish Dominican province (1765-1778) | Fenning, Hugh | Article in Journal | | 1979 |
| The Irish Dominican province (1778-1785) | Fenning, Hugh | Article in Journal | | 1985 |
| The Irish Dominican province 1778 | Fenning, Hugh | Article in Journal | | 1979 |
| The Irish Dominican Province 1785-1797 | Fenning, Hugh | Article in Journal | | 1986 |
| The Irish Dominican province at the beginning of its decline (1745-1761) | Fenning, Hugh | Article in Journal | | 1975 |
| The Irish Dominican province in the final decades of persecution (1721-1745) | Fenning, Hugh | Article in Journal | | 1972 |
| The Irish Dominican province under appointed superiors (1698-1721) | Fenning, Hugh | Article in Journal | | 1968 |
| The Irish Dominican Province, 1698-1797 | Fenning, Hugh | Monograph or Collective Volume | NA | 1990 |
| The Irish Dominicans : the Friars Preachers in the history of Catholic Ireland | Mould, D. D. C. P. | Monograph or Collective Volume | Dominican Publications | 1957 |
| The Irish Dominicans, 1534-1641 | Flynn, Thomas Simeon | Thesis | | 1988 |
| The Irish Dominicans, 800 years, 1224-2024 | Crotty, Terence | Monograph or Collective Volume | Dominican Publications | 2025 |
| The Irish Franciscan library at Prague | MacGrath, Kevin | Article in Journal | | 1951 |
| The Irish Franciscan mission ot the Highlands and Islands | Harris, Jason | Article in Book | | 2016 |
| The Irish Franciscan mission to Scotland, 1619-1647 | Giblin, Cathaldus | Article in Journal | | 1957 |
| The Irish Franciscan province : from foundation to the aftermath of the Bruce invasion | Gallagher, Niav | Article in Book | | 2010 |
| The Irish Franciscans and education in late medieval times and the early Counter Reformation, 1230-1630 | Millett, Benignus | Article in Journal | | 2001 |
| The Irish Franciscans at Boulay | Jennings, Brendan | Article in Journal | | 1944 |
| The Irish Franciscans in Newfoundland | Conlan, Patrick, 1940- | Article in Journal | | 1984 |
| The Irish Franciscans in Prague | Jennings, Brendan | Article in Journal | | 1939 |
| The Irish Franciscans in Prague 1629-1786 : history of the Franciscan College of the Immaculate Conception of the Virgin Mary in Prague | Kucharova, HedvikaParez, Jan | Monograph or Collective Volume | Charles University | 2015 |
| The Irish Franciscans in seventeenth and eighteenth-century Prague | Parez, Jan | Article in Book | | 2003 |
| The Irish Franciscans, 1534-1990 | | Monograph or Collective Volume | Four Courts | 2009 |
| The Irish Franciscans, 1600-1700 | Gillespie, Raymond | Article in Book | | 2009 |
| The Irish Franciscans, 1650-99, 'rough and uncultured men?' | Mooney, Canice | Article in Journal | | 1953 |
| The Irish Franciscans, 1651-1665 | Millett, Benignus | Monograph or Collective Volume | Gregorian University Press | 1964 |
| The Irish friars and the Observant movement in the fifteenth century | Martin, F. X. (Francis Xavier), 1922-2000 | Article in Journal | | 1961 |
| The Irish Georgian Society : a celebration | O'Byrne, Robert, 1959- | Monograph or Collective Volume | Irish Georgian Society | 2008 |
| The Irish horn-reliquary of Tongres/Tongeren, Belgium | Ryan, Michael | Article in Book | | 1988 |
| The Irish Hospitallers during the Great Schism | Tipton, C. L. | Article in Journal | | 1970 |
| The Irish house - An teach Gaelach public house 1870-1968 | Walsh, Peter | Monograph or Collective Volume | Dublin Civic Trust | 2010 |
| The Irish House : an Teach Gaelach, public house 1870-1968 | | Monograph or Collective Volume | Dublin Civic Trust | 2009 |
| The Irish in London : post-Restoration suburban houses | Knight, Caroline | Article in Journal | | 1998 |
| The Irish land agent, 1830-60 : the case of the King's County | Reilly, Ciarán J. | Monograph or Collective Volume | Four Courts | 2014 |
| The Irish lighthouse service | Wilson, T. G. | Monograph or Collective Volume | Figgis | 1968 |
| The Irish monastery of Bangor | Gwynn, Aubrey | Article in Journal | | 1950 |
| The Irish monastery of Bangor | Gwynn, Aubrey | Article in Book | | 1951 |
| The Irish monastic tradition in eastern Europe | Hennig, John | Article in Journal | | 1943 |
| The Irish monastic tradition on the Continent | Hennig, John | Article in Journal | | 1957 |
| The Irish regulars in early-modern Paris : a re-examination | Chambers, Liam | Article in Book | | 2022 |
| The Irish scholarly presence at St. Gall
Networks of knowledge in the Early Middle Ages | Meeder, Sven | Monograph or Collective Volume | Bloomsbury Academic | 2018 |
| The Irish Sisters of Charity | Canavan, J. E. | Monograph or Collective Volume | Anthonian Press | 1941 |
| The Irish state and the Big House in independent Ireland, 1922-73 | Crooke, Emer | Thesis | | 2014 |
| The Irish Sweathouses, with special reference to Carrickmore's | Bradley, John, V. Rev. | Article in Journal | | 2019 |
| The Irish sword and the Franciscan cowl | Mooney, Canice | Article in Journal | | 1951 |
| The Irish tower house - a military view | Cairns, Conrad | Article in Journal | | 1991 |
| The Irish-Ursuline connection | Sherlock, Sr Brendan | Article in Journal | | 2004 |
| The Jes: 150 years of the Jesuits in Galway, 1862-2012 | | Monograph or Collective Volume | Coláiste Iognáid | 2014 |
| The Jesuit houses in Ireland | Scantlebury, C. | Article in Journal | | 1944 |
| The Jesuit Irish mission : a calendar of correspondence, 1566-1752 | | Monograph or Collective Volume | | 2017 |
| The Jesuits in Dublin (1660-1760) | Finegan, Francis | Article in Journal | | 1971 |
| The Jesuits in Dublin 1598-1998 | Browne, FrankO'Donnell, E. E. | Monograph or Collective Volume | Wolfhound Press | 1999 |
| The Jesuits, Mary, and Joseph : the Catholic Workers' College, Dublin, 1951-66 | Limond, David | Article in Journal | | 2016 |
| The keg and porter | Ní Chonnail, Aine | Article in Journal | | 2000 |
| The Kerry days of the Knights Hospitaller | O'Donnell, Francis M., KM | Article in Journal | | 2015 |
| The Kildare Hotel & Country Club : from vision to reality | Oram, Hugh | Monograph or Collective Volume | Kildare Hotel & Country Club | 1996 |
| The Killoughter Tavern | Murphy, Laurence | Article in Journal | | 2021 |
| The Knights Hospitaller in Tudor Ireland : their dissolution and attempted revival | Scott, Brendan | Article in Book | | 2015 |
| The Knights Hospitaller of St John of Jerusalem at Kilmainham | Barrow, G. L. | Article in Journal | | 1984 |
| The Knights Hospitallers in Co. Galway | Falkiner, C. L. (Caesar Litton) | Article in Journal | | 1905 |
| The Knights Hospitallers in Ireland | Peart, Noel | Article in Journal | | 1963 |
| The Knights of St John of Jerusalem in Ireland | MacDermott, A. | Article in Journal | | 1956 |
| The Knights of St John of Jerusalem in medieval Ireland (c.1169-1378) | Virtuani, Paolo | Thesis | | 2014 |
| The Knights Templar house in Limerick city | Hodkinson, Brian J. | Article in Book | | 2012 |
| The Knights Templars and Ireland | Carroll, Michael J. (Michael John) | Monograph or Collective Volume | Bantry Studio Publications | 2006 |
| The Knights Templars and their houses in south east Ireland | Nolan, Tom | Article in Journal | | 1980 |
| The Knights Templars in county Louth | McIvor, Dermot | Article in Journal | | 1961 |
| The lady in the tower : the social and political role of women in tower houses | McAuliffe, Mary | Article in Book | | 1996 |
| The lands of Llanthony Prima in the lordship of Ireland, 1172-1540 | Hogan, Arlene | Thesis | | 1999 |
| The lands of St Mary's Abbey, Dublin | Conway, Colmcille | Article in Journal | | 1963 |
| The lands of St Mary's Abbey, Dublin, at the dissolution of the abbey : the demesne lands and the grange of Clonliffe | Conway, Colmcille | Article in Journal | | 1961 |
| The landscape features, follies and antiquities of Dowth demesne | Fenwick, Joe | Article in Journal | | 2013 |
| The last abbot of Mellifont | Murray, L. P. | Article in Journal | | 1937 |
| The last frontier : defence and settlement in late medieval Ireland | Barry, Terence B. | Article in Book | | 1995 |
| The last monks and abbots of Bective | Hogan, Flannan | Article in Journal | | 1976 |
| The last years of the Augustinians at Christ Church, 1485-1537 | Gillespie, Raymond | Article in Book | | 2000 |
| The late medieval friaries of the mendicant orders in County Mayo | McDermott, Yvonne | Article in Book | | 2014 |
| The late Tom Browne, The Square, feared their pub would go up in flames on the night of 31st October/1st November 1920 | Anonymous | Article in Journal | | 2003 |
| The Latin quotations in Auraicept na nÉces : microtexts and their transmission | Poppe, Erich | Article in Book | | 2002 |
| The lay Coarb in medieval times | Barry, J. G. | Article in Journal | | 1959 |
| The layout of the temple of Jerusalem as a paradigm for the topography of religious settlement within the early medieval Irish church | Jenkins, David Harold | Thesis | | |
| The library of a preacher of Drogheda : John Donnelly, O.P. (d. 1748) | | Article in Journal | | 1978 |
| The library of Iona in the late seventh century : the evidence from Adomnán 'De locis sanctis' | O'Loughlin, Thomas | Article in Journal | | 1994 |
| The life of the Celtic Church | Bulloch, James | Monograph or Collective Volume | Saint Andrew Press | 1963 |
| The lighthouses of Dublin Bay | Long, Bill | Article in Journal | | 1995 |
| The lighthouses of Ireland : a personal history | Taylor, Richard | Monograph or Collective Volume | Collins Press | 2004 |
| The lightkeeper : a memoir | Ahern, PatriciaButler, Gerald | Monograph or Collective Volume | Liffey | 2012 |
| The limits of female autonomy : nuns in nineteenth-century Ireland | Clear, Caitríona | Article in Book | | 1989 |
| The linen houses of the Lagan Valley : the story of their families | Rankin, Kathleen | Monograph or Collective Volume | Ulster Historical Foundation | 2007 |
| The Lion's tale | Anonymous | Article in Journal | | 1985 |
| The list of abbesses in Conchubranus' Life of Saint Monenna | Boyle, Alexander | Article in Journal | | 1971 |
| The literary tradition of Irish saints in the order of the Canons Regular of the Lateran | Hennig, J. | Article in Journal | | 1946 |
| The Little Big House at Gweedore: inscribing sociality and space in north-west Ireland, 1842-1859 | James, Kevin J. | Article in Journal | | 2012 |
| The liturgy of the Irish on the continent | Hen, Yitzhak | Article in Book | | 2016 |
| The Lloyds of Crogan house | Creighton, Seamus | Article in Journal | | 1990 |
| The long gallery of Castletown House | Keller, Ann Margaret | Article in Journal | | 1979 |
| The Lord and the Nun | Logue, Rose Mary | Article in Journal | | 2019 |
| The lost children : a study of charity children in Ireland, 1700-1900 | Robins, Joseph | Monograph or Collective Volume | Institute of Public Administration | 1980 |
| The lost houses of Ireland : a chronicle of great houses and the families who lived there | MacDonnell, Randal | Monograph or Collective Volume | Weidenfeld and Nicolson | 2002 |
| The Louvain achievement II : hagiography | Ó Riain, Pádraig | Article in Book | | 2009 |
| The Louvain Franciscans and the culture of print | Gillespie, Raymond | Article in Book | | 2013 |
| The MacLaughlin family | Gamble, Ronnie | Article in Journal | | 2013 |
| The MacNeils of Barra and the Irish Franciscans | Campbell, J. L. | Article in Journal | | 1954 |
| The making of medieval Derry | Devlin, Ciaran J. | Monograph or Collective Volume | Veritas | 2013 |
| The Man O' War and the Turk's head. [Talk given 1949] | Mullen, Grace | Article in Journal | | 2008 |
| The manly spirit of St Monenna | Bray, Dorothy Ann | Article in Book | | 1999 |
| The manor house and castle of Clonroad | Ó Dálaigh, Brian | Article in Journal | | 2019 |
| The manor house at Charleville - one of the magnificent 17th century residences | O'Riordan, Ted | Article in Journal | | 1986 |
| The manor house, Benburb | Busby, Shirley | Article in Journal | | 1987 |
| The manor houses of the 1st Lord Baltimore in an English Atlantic World | Lyttelton, James | Article in Journal | | 2017 |
| The manor in east county Wicklow | Shanahan, Brian | Article in Book | | 2005 |
| The manor in medieval and early modern Ireland | | Monograph or Collective Volume | Four Courts | 2005 |
| The manor of Ballygalget | Anderson, Amy | Article in Journal | | 1977 |
| The manor of Earlstown county Kilkenny : an interdisciplinary approach | Shine, Linda | Article in Book | | 2005 |
| The manor of Mallow, part 1 | Crowley, Seamus | Article in Journal | | 1992 |
| The manors of Enniscorthy and Killhubbuck | Murphy, Rory | Article in Journal | | 2001 |
| The Mansion House Dublin : 300 years of history and hospitality | | Monograph or Collective Volume | Dublin City Council | 2015 |
| The manuscripts of the Annals of the Four Masters | Cunningham, Bernadette | Article in Journal | | 2007 |
| The Marist sisters | McGuinness, Brigid Jane | Article in Journal | | 1998 |
| The marquess and Mycenae | Loughlin, Thomas | Article in Journal | | 2021 |
| The material culture of the canonical movement in medieval Ireland | Moss, Rachel | Article in Book | | 2019 |
| The Maxwell family of Farnham, County Cavan: an introduction | Cherry, Jonathan | Article in Journal | | 2006 |
| The Medical Missionaries of Mary in Drogheda 1939-1999 | Smyth, IsabelleTaggart, M. Anastasia | Monograph or Collective Volume | Old Drogheda Society | 1999 |
| The medieval borough of Louth : an archaeological study | Bradley, John, 1954-2014 | Article in Journal | | 1987 |
| The medieval hospital in Ireland: a comment on the crusader connection | Ivory, Thomas | Article in Book | | 2022 |
| The Medieval Missionary : A study of the Conversion of Northern Europe A.D. 500-1300 | Addison, J. T. | Monograph or Collective Volume | | 1936 |
| The medieval monasteries of the Augustinian Canons Regular | Doggett, Dermot | Article in Journal | | 1996 |
| The medieval period | Cosgrove, Art | Article in Book | | 1991 |
| The medieval priory of Saints Peter and Paul in Athlone | Conlan, Patrick, 1940- | Article in Book | | 1980 |
| The medieval priory of Saints Peter and Paul in Athlone | Conlon, Patrick | Article in Book | | 1980 |
| The medieval priory of St Mary’s, Cahir | Hodkinson, Brian | Article in Journal | | 1995 |
| The medieval Tower of Hook : a review of its dating and history | Murtagh, Ben | Article in Book | | 2016 |
| The medieval tower of Hook, Co. Wexford : a beacon of commerce and symbol of Marshal power and wealth in Ireland | Murtagh, Ben | Article in Journal | | 2016 |
| The Meelick Obituary and Chronicle (1623-1873) (with index) | Fennessy, Ignatius | Article in Journal | | 2006 |
| The mendicant orders and vernacular Irish learning in the late medieval period | Bhreathnach, Edel | Article in Journal | | 2011 |
| The merchant townhouses of Kilkenny city c.1580-1650 | Keane, Gertie | Article in Journal | | 2016 |
| The military monks at Mourneabbey | Cotter, Eamonn | Article in Journal | | 2012 |
| The military occupation and settlement of north-west Wicklow by the earls of Kildare, 1470-1534 | Hussey, John | Article in Journal | | 2015 |
| The Military-Religious Orders in Ireland: their patrons and their purpose | Nicholson, Helen J. | Article in Book | | 2022 |
| The mission | Harrington, Jean | Monograph or Collective Volume | Maverick House | 2010 |
| The moated site at Clonfree, Co. Roscommon | Finan, TomO'Conor, Kieran Denis | Article in Journal | | 2002 |
| The monasteries of Ireland : an introduction | Mould, D. D. C. P. | Monograph or Collective Volume | Batsford | 1976 |
| The monasteries of the Canons of Prémontré, c.1180–c.1607 | Clyne, Miriam | Article in Book | | 2019 |
| The monasteries, Magdalen asylums and reformatory schools of Our Lady of Charity in Ireland, 1853-1973 | Prunty, Jacinta | Monograph or Collective Volume | Columba Press | 2017 |
| The monastery | Nic an Mháistir, Máire | Article in Journal | | 1999 |
| The monastery of Cill Rúan | Mould, Daphne D. C. Pochin | Article in Journal | | 1981 |
| The monastery of Clonard | Byrne, Paul | Thesis | | 1980 |
| The monastery of eremite friars of St Augustine at Skryne, Co. Meath | Hickey, Elizabeth | Article in Journal | | 1990 |
| The monastery of Gallen, Offaly | Pinkman, John | Article in Journal | | 1945 |
| The monastery of Inismocht | Tempest, H. G. | Article in Journal | | 1945 |
| The monastery of Iona in the eighth century | Fisher, Ian | Article in Book | | 1994 |
| The monastery of Kildare and its secular aspects from its foundation to 1171 | Giboire, Christèle | Thesis | | 2000 |
| The monastery of Linn Duachaill | Clinton, Mark | Article in Journal | | 2013 |
| The monastery of Lismore | Sanderlin, Sarah Louise | Thesis | | 1974 |
| The monastery of Lismore, AD 638-1111 | Sanderlin, Sarah | Article in Book | | 1992 |
| The monastery of Mount St. Joseph Clondalkin | Williams, Joe | Monograph or Collective Volume | South Dublin Libraries | 2010 |
| The monastery of St Gall | Born, ErnestHorn, Walter | Article in Journal | [s.n.] | 1989 |
| The monastic establishments of medieval Cork | O'Sullivan, Denis | Article in Journal | | 1943 |
| The monastic heritage and folklore of county Laois | Kennedy, Joseph | Monograph or Collective Volume | Lisheen | 2003 |
| The monastic hierarchy in twelth century Ireland : the case of Kells | Nic Aongusa, Bairbie | Article in Journal | | 1990 |
| The monastic houses of Co. Down, before and after the coming of the Normans | McKeown, Laurence | Article in Journal | | 1936 |
| The monastic institute | Ryan, John | Monograph or Collective Volume | Gill | 1972 |
| The monastic life in early Christian Ireland | Ó Fiaich, Tomás | Article in Journal | | 1969 |
| The monastic town in early medieval Ireland | Doherty, Charles | Article in Book | | 1985 |
| The monastic townland of Acaun, County Carlow | Bunbury, Turtle | Article in Journal | | 2024 |
| The Moncks and Charleville House: . A Wicklow Family in the Nineteenth Century. | Batt, Elizabeth | Monograph or Collective Volume | Blackwater | 1979 |
| The monks and attorneys of Beabec iuxta Drogheda, c.1300-1400 | Thornton, David E. | Article in Book | | 2023 |
| The Montgomeries, the Sinclairs and Drumbeg house | Meehan, Helen | Article in Journal | | 1992 |
| The Monument Creamery Ltd (1918-1966) 100 Year's Anniversary Appreciation | Ryan, Brenda | Article in Journal | | 2019 |
| The Mount Shannon catalogue, 1888 | Fitzgibbon, Constantine | Article in Journal | | 1976 |
| The Moy castle, or Roxborough house | Ó Dálaigh, Art P. | Article in Journal | | 1992 |
| The Muckross collection of traditional music, song and dance | Mitchell, Mary | Article in Journal | | 1989 |
| The Munster sweathouse project | Harte, Aidan | Article in Journal | | 2010 |
| The mural paintings and inscriptions at Knockmoy Abbey | Crawford, H. S. | Article in Journal | | 1919 |
| The mysterious Castle Bamford 'an exceedingly good mansion house' to a ruin | O'Reilly, Aideen | Article in Journal | | 2014 |
| The Nanny Water and Big Houses. Big Houses along the Nanny River and their links with Drogheda | McCullen, John | Article in Journal | | 2014 |
| The Nanny Water and Big Houses. Big Houses along the Nanny River and their links with Drogheda | McCullen, John | Article in Journal | | 2014 |
| The natural history of demesnes | Reeves-Smyth, Terence | Article in Book | | 1997 |
| The nature of Irish pub-names | Mac Aodha, Breandán S. | Article in Journal | | 1995 |
| The nature of pre-'Reform' Irish monasticism | Bhreathnach, Edel | Article in Book | | 2019 |
| The noblest quay in Europe | Girouard, Mark | Article in Book | | 1992 |
| The Norman manor of Bunratty | Murphy, Charlotte | Article in Journal | | 1980 |
| The North Atlantic monastic thalassocracy : sailing to the desert in early medieval insular spirituality | Dumville, David N. | Article in Book | | 2002 |
| The nun of Kenmare | Boyle, Brian | Monograph or Collective Volume | The author | 2014 |
| The Nun of Kenmare | Goaley, Michael | Article in Journal | | 2009 |
| The nun of Kenmare : the true facts | McCarthy, Philomena | Monograph or Collective Volume | St Clare's Convent | 1989 |
| The nunnery of Clonard | Brady, John, d.1963 | Article in Journal | | 1960 |
| The nuns of Kilcreevanty - Did Women's Lib begin near Tuam | O'Hora, Pat
| Article in Journal | | 2005 |
| The nuns of the medieval convent of Lismullin, County Meath, and their connections | Hall, Dianne | Article in Journal | | 1999 |
| The O'Conor papers : their significance to genealogists | Dunleavy, G. W. (Gareth W.) | Article in Journal | | 1976 |
| The O'Conor papers:a descriptive catalogue and surname register of the materials at Clonalis House | | Monograph or Collective Volume | University of Wisconsin Press | 1977 |
| The O'Hara family connection with St Clerans | Henry, William | Monograph or Collective Volume | Merv Griffin | 1999 |
| The Obituary Book of the Franciscan monastery at Galway, with notes thereon | Blake, Martin J. | Article in Journal | | 1909 |
| The occupation of Celtic sites in Ireland by the canons regular of St. Augustine and the Cistercians | Carville, Geraldine | Monograph or Collective Volume | Cistercian Publications | 1982 |
| The office and function of coarb and erenagh in the Irish church | Barry, John | Thesis | | 1952 |
| The Old Abbey, Loughrea, 1300-1650 | Monaghan, Phelim | Monograph or Collective Volume | The author | 1983 |
| The Old Abbey, Loughrea, 1300-1650 | Monahan, Phelin | Monograph or Collective Volume | The author | 1981 |
| The old churches of Clontead parish | MacCarthy, Seán | Article in Journal | | 1986 |
| The old friaries of Ennis and Quin | Paul Mary, Fr. | Monograph or Collective Volume | Wexford People Printing Works | 1959 |
| The old Mon : the story of the Patrician Brothers School, Lombard Street, Galway | Casserly, James | Monograph or Collective Volume | [s.n.] | 1997 |
| The Old Ship | Austin, Henry | Article in Journal | | 2022 |
| The oldest church in Ireland's 'oldest town' | Ó Donnchadha, Brian | Article in Journal | | 2007 |
| The opposition to the ecclesiastical legislation in the Irish reformation parliament | Bradshaw, Brendan | Article in Journal | | 1969 |
| The Oratory Dún Laoghaire | Pilkington, Elizabeth | Article in Journal | | 2020 |
| The order of Carmel and the Blackrock Monastery | O'Neill, Monica | Article in Journal | | 1998 |
| The order of the Holy Cross in Ireland | Hadcock, R. N. | Article in Book | | 1961 |
| The organization and function of an early Irish church settlement : what was Glendalough? | Etchingham, Colmán | Article in Book | | 2011 |
| The origin and development of the tower-house in Ireland | Sweetman, David | Monograph or Collective Volume | Gandon Editions | 2000 |
| The origin of the Augustinian order in Meath | Hadcock, R. N. | Article in Journal | | 1963 |
| The origin of tower houses | McNeill, T. E. | Article in Journal | | 1992 |
| The originality of the early Irish Church | Bethell, Denis L. T. | Article in Journal | | 1982 |
| The origins and early days of Glenstal Abbey | Tierney, Mark | Article in Book | | 2005 |
| The origins of early Christian Ireland | Mytum, Harold C. | Monograph or Collective Volume | | 1992 |
| The origins of Jerpoint abbey, Co. Kilkenny | Conway, Colmcille | Article in Journal | | 1963 |
| The origins of St Mary's abbey, Dublin | Gwynn, Aubrey | Article in Journal | | 1949 |
| The origins of the Irish monastic tradition at Ratisbon (Regensburg) | Breatnach, Pádraig A. | Article in Journal | | 1980 |
| The origins of tower houses | McNeill, T. E. | Article in Journal | | 1992 |
| The Ormsby family of Gortnor Abbey | Anonymous | Article in Journal | | 1990 |
| The other peregrinatio: Pilgrim nuns in medieval Regensburg and their Irish connections | Ó Riain-Raedel, Dagmar | Article in Book | | 2023 |
| The Owens family of Stone House | Young, Jean | Article in Journal | | 2017 |
| The palingenesis of Florence Court | McQuiston, Ian B. | Article in Book | | 2003 |
| The papal mission to Ireland of James Taaffe in 1668 | Millett, Benignus | Article in Journal | | 1966 |
| The papal mission to Ireland of James Taaffe in 1668 | Millett, Benignus | Article in Book | | 1995 |
| The parish of Sandyford; an inventory of the church property of Sandyford and Glancullen, 1853 | Brady, Kevin R.Smyth, Patrick | Article in Journal | | 1960 |
| The Park ''Without Care', 'Sans Souci' Booterstown | Clancy, Ciarán | Article in Journal | | 2021 |
| The Park Danes : pastimes and pubs | Hannan, Kevin | Article in Journal | | 1984 |
| The paruchia of St. Finbarr | O'Connor, Timothy P. | Thesis | | 1977 |
| The path of Mercy : the life of Catherine McAuley | Sullivan, Mary C. | Monograph or Collective Volume | Four Courts|Catholic University of America | 2012 |
| The Patrician Brothers 1808-2008 | Walker, Linus H. | Article in Journal | | 2008 |
| The Peakaun site : Duignan's 1944 investigations | Holland, PatrickWaddell, John | Article in Journal | | 1990 |
| The personality of Mary Aikenhead | O'Carroll, Michael | Article in Journal | | 1958 |
| The pictorial mosaic tiles form Baltinglass Abbey, Co. Wicklow | Fanning, Thomas | Article in Book | | 1987 |
| The pilgrim's progress : a story in stone | Ó Clabaigh, Colmán N. | Article in Book | | 2015 |
| The place of Wearmouth and Jarrow in Western cultural history | Ogilvy, J. D. A. | Article in Book | | 1994 |
| The platforme of an universitie : All Hallows' Priory to Trinity College, Dublin | Budd, Roland | Monograph or Collective Volume | Particular Books | 2001 |
| The politics of Irish social policy, 1600-1990 | Powell, F. W. | Monograph or Collective Volume | Edwin Mellen Press | 1992 |
| The Poor Clare order in Ireland | Cunningham, Bernadette | Article in Book | | 2009 |
| The Poor Clare Order of nuns in Ireland | Ó Cuilinn, Peader | Article in Journal | | 2015 |
| The Poor Clare Sisters : 100 years in Cork – a centenary record, 2014 | Conlan, Patrick | Monograph or Collective Volume | Poor Clare Sisters | 2014 |
| The Poor Clares in Ireland | Flood, W[illiam] H[enry] Grattan | Article in Journal | | 1921 |
| The Poor Sisters of Nazareth and Derry : 1892-1992 | Canning, B. J. (Bernard J.) | Monograph or Collective Volume | John Burns | 1992 |
| The position of the Augustinian canons in medieval Ireland | Preston, Sarah, M. | Article in Journal | | 1990 |
| The post-Columban church | Cowan, I. B. | Article in Journal | | 1974 |
| The post-Reformation English Benedictines and Ireland : conflict and dialogue | Bellenger, Aidan | Article in Book | | 2005 |
| The pre-profession record of Sister Catherine Browne ('in religion' Sister Catherine of St Francis), Poor Clare convent, Bethlehem, County Westmeath, 1632 | McShane, Bronagh Ann | Article in Journal | | 2017 |
| The prehistoric houses of County Carlow | O'Neill, Nial | Article in Journal | | 2015 |
| The Premonstratensian houses of Carrickfergus, White Abbey and Woodburn | McNeill, T. E. | Article in Journal | | 1983 |
| The Premonstratensians in Ireland | Flood, William Henry Grattan | Article in Journal | | 1913 |
| The Presbyterian church in Mallow | Rutherford, Colman | Article in Journal | | 2013 |
| The Presentation Brothers in Killarney | Leane, Michael | Article in Journal | | 2002 |
| The Presentation foundation Drogheda 7th June, 1813 | Allen, M. Oliver | Article in Journal | | 1990 |
| The Presentation nuns in Waterford city | O'Neill, Assumpta | Article in Journal | | 1998 |
| The Presentation order and the national school system in Limerick, 1837-1870 | Coonerty, Paula | Article in Journal | | 1988 |
| The Presentation Sisters in Kilcock | Dáibhís, Fionntan | Article in Book | | 1999 |
| The prettiest orangery in the world | Nelson, E. Charles | Article in Journal | | 2008 |
| The price of freedom : Edmund Rice, educational leader | McLaughlin, Denis | Monograph or Collective Volume | David Lovell Publishing, in association with The Trustees of the Christian Brothers (Queensland) | 2007 |
| The priory and hospital of New Gate : the evolution and decline of a medieval monastic estate | Hennessy, Mark | Article in Book | Cork University Press | 1988 |
| The priory of Duleek | Cuffe, Philip | Article in Journal | | 1963 |
| The priory of Mothel | Power, P. | Article in Journal | | 1954 |
| The priory of St. John at Nenagh | Gleeson, Dermot F. | Article in Journal | | 1939 |
| The priory of the Hospital of Sts Mary and Edward, King and Martyr, known as Holy Cross OSA, near the bridge of Limerick | Hodkinson, Brian | Article in Journal | | 1990 |
| The priory of Tuaim Donain | Gleeson, Dermot F. | Article in Journal | | 1940 |
| The priory, or nunnery, of Graney, County Kildare | Fitzgerald, Walter, Lord | Article in Journal | | 1914 |
| The problem of reform in the Irish Cistercian monasteries and the attempted solution of Stephen of Lexington in 1228 | O'Dwyer, B. W. | Article in Journal | | 1964 |
| The professor at Florence Court | Scoones, Francesca | Article in Journal | | 2004 |
| The propaganda war | Hayton, D. W. (David William) | Article in Book | | 1990 |
| The Proportions of the St Gall Plan: A Response to Werner Jacobsen’s Critique of the Use of the Square Root of Two, with a Statistical Analysis of the Techniques Employed in the Drawing | Fearn, Tom (appendix)Fernie, Eric | Article in Book | | 2021 |
| The pub and the Irish nation | Kadel, Bradley | Article in Journal | | 2003 |
| The pub in Tullamore since the 1960s: from licensed grocery to super lounge bar and ‘meeting in the smoking area’ | Byrne, Michael | Article in Book | Offaly Historical and Archaeological Society (Offaly History) | 2024 |
| The pubs of Hacketstown | Duffy, Robert | Article in Journal | | 2001 |
| The Queens, Dalkey | Scudds, Colin | Article in Journal | | 2022 |
| The question of papar in Iceland | Sveinbjarnardóttir, Guðrún | Article in Book | | 2002 |
| The raid on the Fastnet lighthouse | Lannin, Frank | Article in Journal | | 1999 |
| The re-creation of Ballyfin | Mulligan, Kevin | Article in Journal | | 2011 |
| The re-emergence of nuns and convents, 1800-1962 | | Article in Book | | 2002 |
| The records of F. Barrett & Co., lighthouse engineers, Schoolhouse Lane, Dublin 2 | Murphy, Della | Article in Journal | | 1994 |
| The Redemptorists and the shaping of Irish popular devotion, 1851-1965 | McConvery, Brendan | Article in Book | | 2012 |
| The Redemptorists in Ireland, 1851-2011 | McConvery, Brendan | Monograph or Collective Volume | Columba | 2012 |
| The Regency house in Ireland | Casey, Christine | Article in Book | | 1998 |
| The register of Clogher | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1971 |
| The Register of Fr Francis Smith, Kilmore, CXo. Armagh, 1827-1829 | Fearon, Benedict | Article in Journal | | 2019 |
| The register of Kells | | Article in Book | | 1936 |
| The regular canons and Irish hagiography | Ó Riain, Pádraig | Article in Book | | 2019 |
| The regular canons in early modern Ireland | Galban, Clemens | Article in Book | | 2019 |
| The regular clergy and the episcopate in Ireland, 1600-1650 | Ó hAnnracháin, Tadhg | Article in Book | | 2022 |
| The religious houses of Tudor Dublin : their communities and resistance to the Dissolution 1537-41 | Scott, Brendan | Article in Book | | 2006 |
| The religious sisters and brothers of the diocese of Kilmore | Smith, Gerald | Monograph or Collective Volume | Cumann Seanchais Bhre´ifne | 2010 |
| The Religious Sisters of Charity : origins, development and controversies | Coen, Mark | Article in Book | | 2023 |
| The remains of ancient Irish monastic libraries | Gougaud, Louis | Article in Book | | 1995 |
| The remnants of William Marshal's lordship in Leinster today | Marshall, John | Article in Journal | | 2021 |
| The reorganisation of the Irish church, 1603-41 | Corish, Patrick J. | Article in Journal | | 1957 |
| The restoration of the tower house at Ballyportry, Corofin, Co. Clare | Wallace, Patrick F. | Article in Book | | 2004 |
| The Rise and Demise of a Building Type: Romanesque Canons’ Churches Reconfigured | Franklin, Jill A | Article in Book | | 2021 |
| The rise and fall of the Irish Franciscan monasteries | Meehan, C. P. | Monograph or Collective Volume | | 1869 |
| The rise of the pub : a study in the disciplining of popular culture | Malcolm, Elizabeth | Article in Book | | 1998 |
| The role of St Anthony's College, Louvain in establishing the Irish Franciscan college network, 1607-60 | Lyons, Mary Ann | Article in Book | | 2009 |
| The role of the church in early Irish regnal succession : the case of Iona | Warntjes, Immo | Article in Book | | 2010 |
| The role of the regular canons of St Augustine in the formation of the parochial network in Ireland | Empey, Adrian | Article in Book | | 2019 |
| The roles and representations of women in religious change and conflict in Leinster and south-east Munster, c.1560-c.1641 | McShane, Bronagh Ann | Thesis | | 2015 |
| The Roman sculptures at Russborough House | Mulvin, Lynda | Article in Book | | 2001 |
| The Romanesque Church of Kilmalkedar in Context | Gem, Richard | Article in Book | | 2021 |
| The Roscrea Conference : commemorating forty conferences, 1987-2007 at Mount St Joseph Abbey | | Monograph or Collective Volume | Roscrea People | 2007 |
| The Round Tower at Aughagower | Hughes, Suzette | Article in Journal | | 2008 |
| The round tower of Down | Rankin, J. Frederick | Article in Journal | | 1997 |
| The round towers of Ireland | Barrow, Viola | Article in Journal | | 1991 |
| The round towers of Ireland | Barrow, George Lennox | Monograph or Collective Volume | Academy Press | 1979 |
| The royal manors of medieval Co. Dublin : crown and community | Foley, Áine | Monograph or Collective Volume | Four Courts | 2013 |
| The Royal Marine Hotel | Agnew, Freda | Article in Journal | | 2005 |
| The Rule of Patrick : textual affinities | Kelly, Patricia | Article in Book | | 2002 |
| The Rule of Tallaght | | Article in Journal | | 1927 |
| The sacred and the secular : the Augustinian priory of Kells in Ossory, 1193-1541 | Empey, C. A. (Adrian) | Article in Journal | | 1984 |
| The sale of the Langton mansion on High St., Kilkenny | Hayburn, Edmund Langton | Article in Journal | | 1984 |
| The scene in King's County in 1914 | Byrne, Michael | Article in Journal | | 2015 |
| The Schottenkloster and the legacy of the Irish sancti peregrini | Ó Riain, Diarmuid | Chapter in Book | | 2017 |
| The Schottenklöster in southern Germany | Ó Fiaich, Tomás | Article in Journal | | 2001 |
| The Scottish response to the 1641 rebellionin Connacht : the case of Sir Frederick Hamilton | Duignan, Aoife | Article in Book | | 2016 |
| The sculpture of the cloister of Jerpoint abbey | Rae, E. C. | Article in Journal | | 1966 |
| The seats and demesnes of the nobility and gentry of Ireland | Milton, Thomas | Monograph or Collective Volume | Boethius Press | 1983 |
| The secular Franciscans | Conlan, Patrick, 1940- | Article in Book | | 2009 |
| The sequence of construction of Buttevant friary church in the thirteenth century | O'Keeffe, Tadhg | Article in Book | | 2013 |
| The settlement of the Augustinian canons of Llanthony Prima and Secunda in Ireland, 1172–1541 | Hogan, Arlene | Article in Book | | 2019 |
| The seventeenth century Franciscan house 'At Drowes' | Mac Airt, Seán | Article in Journal | | 1958 |
| The several incarnations of Plassey: Plassey House, University of Limerick | Hill, Judith | Article in Journal | | 2009 |
| The Shelbourne and its people | O'Neill, BernadineO'Sullivan, Michael, 1957- | Monograph or Collective Volume | Blackwater | 1999 |
| The Shelbourne hotel | Bowen, Elizabeth Dorothea Cole, 1899–1973Cameron, Alan | Monograph or Collective Volume | Harrap | 1951 |
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| The sinking of the S.S. 'Isolda'. "A hell of an experience" | Bestic, A.A.Butler, Richard J. | Article in Journal | | 2004 |
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| The Society of the Sacred Heart in nineteenth-century France, 1800-1865 | Kilroy, Phil | Monograph or Collective Volume | Cork University Press | 2012 |
| The Soldiers and Sailors Refreshment Buffet at Kingstown Harbour during World War One and its volunteers | O'Riordan, Dermot | Article in Journal | | 2021 |
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| The story of Carrig-na-cule | MacLaughlin, Dan | Article in Journal | | 2001 |
| The story of Castlemoate House | Nolan, David | Monograph or Collective Volume | The author | 1996 |
| The story of Castlemoate house | Nolan, David | Article in Book | | 1998 |
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| The story of Clonmacnois | Doyle, Doirin | Monograph or Collective Volume | Kamac Publications | 1968 |
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| The story of the Loreto convent in Coleraine | Coyle, Madeleine | Article in Journal | | 2005 |
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| The study of Greek in Ireland in the early middle ages | Herren, Michael | Article in Book | | 2010 |
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| The Tavern Ashford | Murphy, Laurence | Article in Journal | | 2021 |
| The theft of the relic of Holy Cross Abbey | Fennessy, Ignatius | Article in Journal | | 2000 |
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| The visual culture of the Hospitaller Knights of the Priory of Ireland | Caffrey, Paul | Article in Book | | 2015 |
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| The written memory of St Mary's University College, Dublin (1893-1912) : the pioneer college for the higher education of Catholic women in Ireland | Cunningham, John M. | Article in Journal | | 2019 |
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| They make the valley a place of springs : the story of the Rostrevor Benedictines | Nolan, Mark-Ephrem M. | Article in Book | | 2005 |
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| Thomas le Botiller, prior of Kilmainham, 1403-1419 | Butler, T. Blake | Article in Journal | | 1944 |
| Thoor Ballylee - home of William Butler Yeats | Hanley, MaryMiller, Liam | Monograph or Collective Volume | Dolmen Press | 1965 |
| Those days are gone away | Cullen, Clara | Article in Journal | | 2016 |
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| Three monasteries of Drogheda | Kelly, Matthew | Article in Journal | | 1941 |
| Three new medieval masons' marks from Abbey Street, Ennis, Co. Clare | Higgins, Jim | Article in Journal | | 2015 |
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| Timahoe and the Loígse : monasticism | Johnston, Elva | Article in Book | | 1999 |
| Timolin : a case study of a nunnery estate in late medieval Ireland | Collins, Tracy | Article in Journal | | 2014 |
| Tintern Abbey county Wexford : Cistercians and Colcloughs, eight centuries of occupation | | Monograph or Collective Volume | Friends of Tintern | 2003 |
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| Toureen Peakaun : three new inscribed slabs | Manning, Conleth | Article in Journal | | 1991 |
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| Tower houses in Mayo: A condition assessment | Lyons, Muirne | Article in Journal | | 2013 |
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| Women Religious, Charitable Ministries and the Welfare State | Mangion, Carmen M. | Article in Book | Oxford University Press | 2023 |
| Women who keep God's vigil : the Glencairn story | Walsh, Kilian J. | Monograph or Collective Volume | Clonmore & Reynolds | 1964 |
| Women's donations to the churches in early Ireland | Bitel, Lisa M., 1958- | Article in Journal | | 1984 |
| Women's monastic enclosures in early Ireland : a study of female spirituality and male monastic mentalities | Bitel, Lisa M., 1958- | Article in Journal | | 1986 |
| Wooden artefacts and samples from Beaubec, Co. Meath | Moore, CaitríonaOCarroll, Ellen | Article in Book | NA | 2023 |
| Woodside, Sandyford | Van Turnhout, Michael | Article in Journal | | 2016 |
| Work begins on Talbot tower, Kilkenny | Murlagh, Ben | Article in Journal | | 2003 |
| Work in Woodside : at Doherty's Bar and elsewhere | Doherty, Jack | Article in Journal | | 2001 |
| Writing on the wall | Broderick, David | Article in Journal | | 2020 |
| Würzburg im Frühmittelalter | Dinklage, Karl | Article in Journal | | 1951 |
| Wyckham, Dundrum|Wyckham, Dundrum: Correction | Magee, Sean | Article in Journal | | 2016 |
| You brew good ale : a history of small-scale brewing | Peaty, Ian P. | Monograph or Collective Volume | Sutton | 1997 |
| YouWho? | Bow, JunePoff, Karen | Article in Journal | | 2024 |
| Zerfall Roma und Aufstieg Irlands|The fall of Rome and the rise of Ireland | Cornel, Dora | Article in Book | | 2018 |
| Zur geschichte der schottenabtei St Jakob in Regensburg. Neue Quellen aus schottischen archiven | Hammermayer, Ludwig | Article in Journal | | 1959 |
| Zur Rolle der Iren im östlichen Vorfeld des agilolingischen und frühkarolingischen Baiern | Kahl, Hans-Dietrich | Article in Book | | 1982 |
| Zur Spiritualität des frühen irischen Mönchtums | Vogt, H. J. | Article in Book | | 1982 |
| Zwischen Irland, Deutschland und rom. Die Schottenklöster im Reich vom 11. bis 14. Jahrhundert | Hammermayer, Ludwig | Article in Book | | 2004 |
| [A] Charley Family Houses In Dunmurry|B The Children Of William Charley (1826 -1890) Of Seymour Hill.|C The Charley family Coat of Arms | Charley, Robby | Article in Journal | | 1995 |
| ‘A powerful Hibernese’ : Luke Wadding and his diplomatic role in seventeenth-century Rome | Binasco, Matteo | Article in Journal | | 2017 |
| ‘Expanding the narrative : public history, music, and the Irish country house’ | Mullaney-Dignam, Karol | Article in Book | | 2021 |
| ‘On the brink of the wave’: Towards an archaeology of female religious in early medieval Ireland | Collins, Tracy | Article in Book | | 2023 |
| ‘Women of the Wild Geese’ : Irish women, exile and identity in Spain, 1750–1775 | Knox, Andrea | Article in Journal | | 2005 |