| "A nation of beggars?" : priests, people and politics in famine Ireland, 1846-1852 | Kerr, Donal A. | Monograph or Collective Volume | Oxford University Press | 1994 |
| "An ordinary modern villa" : Doneraile parochial house | Condon, Gerard | Article in Journal | | 2012 |
| "Angels of mercy" : nuns as workhouse nurses, 1861-1898 | Luddy, Maria | Article in Book | Cork University Press | 1999 |
| "Begorra, Paddy, the Clergy have the Power yet": priests of the Province of Armagh and their portrayal in the folklore of the Schools' Collection (1937-38 | Ryan, Salvador | Article in Journal | | 2021 |
| "Bithiúnaigh iad uilig" : sagairt agus easpaig i 1798 | Keogh, Dáire | Article in Book | NA | 1998 |
| "Clerical dictation" : reflections on the Catholic Church and the Parnell split | Callanan, Frank | Article in Journal | | 1990 |
| "Father Raleigh went rapidly and amply to ruin" : Irish missionary clergy in nineteenth-century western Victoria | Blee, Jill | Article in Journal | | 2002 |
| "For a splendid cause" : Irish missionary nuns at home and on the mission field, 1921-1962 | Lynch, Kate, 1986- | Thesis | | |
| "High days and Holy days" : St Patrick's Day in the North East of England, c.1850–1900 | Allen, Joan | Article in Book | Cambridge Scholars | 2009 |
| "I have been trying very hard to be powerful 'nice'..." : the correspondence of Sister M. de Sales (Brennan) during the American Civil War | Quinn, E. Moore | Article in Journal | | 2010 |
| "Late vocation" | Cavanagh, Frank | Article in Journal | | 1996 |
| "Li Salt Brandan" : navigation and flight : a contribution to the study of the fantastic narrative in Benediet's "Voyage of Saint Brendan" | Lemarchand, M. L. | Article in Book | Boole Press | 1989 |
| "Lucky to be born in Dungiven" | McVeigh, Aloysius | Article in Journal | | 1996 |
| "Meddlers amongst us" : women, priests and authority in Famine-era Ireland | Delay, Cara | Article in Book | Irish Great Hunger Institute Quinnipiac | 2016 |
| "Our nuns are not a nation" : politicizing the convent in Irish literature and film | Cullingford, Elizabeth Butler | Article in Journal | | 2006 |
| "Some intriguing parson, who wishes to attract attention" : Reverend Richard Ryan | Griffin, Brian | Article in Journal | | 2000 |
| "Still potentially dangerous in some quarters" : Sylvester Andriano, Catholic action, and un-American activities in California | Issel, William | Article in Journal | | 2006 |
| "The village curate" : reflections and recollections | O'Reilly-Hyland, Kathleen | Monograph or Collective Volume | Kathleen O'Reilly-Hyland | 1994 |
| "Their faith brings them" | Maryniak, Ben | Article in Journal | | 1991 |
| "This turbulent priest" | Wilson, Des | Monograph or Collective Volume | Mercier Press | 1985 |
| "What a fool I have been" : Fr. Robert O'Keeffe, parish priest and the Callan controversy 1869-1881 | Hogan, Patrick | Article in Book | Philip P. Lynch in co-operation with Callan Heritage Society | 2010 |
| '98 in Carlow | Mac Suibhne, Peadar | Monograph or Collective Volume | The Nationalist | 1974 |
| 'A weighty, serious business' : the conversion of Catholic clergy to Anglicanism | Power, Thomas P. | Article in Book | Four Courts Press | 2005 |
| 'Almoners of Providence' : the clergy 1647 to c. 1780 | Barnard, T. C. (Toby Christopher) | Article in Book | Four Courts Press | 2006 |
| 'An example of the rehabilitation of her sex' : contextualising the founding and early mission message of the Holy Rosary Sisters from Killeshandra, County Cavan, 1924-1949 | Finnegan, Michael | Article in Book | Geography Publications | 2014 |
| 'An overriding providence' : the life and ministry of Tresham Dames Gregg (1800-81) | Crawford, John, 1953-2011 | Article in Book | Four Courts Press | 2006 |
| 'Bethlehem' : the Dillons and the Poor Clare convent at Ballinacliffey, Co. Westmeath | Cunningham, Bernadette | Article in Journal | | 2013 |
| 'Cumhaidh na cléire', a '98 poem from north Leitrim | Ó Mórdha, Séamus | Article in Journal | | 1958 |
| 'Joannes Clericus' : the life and work of the Revd John Rooney | McEnroy, Marion | Article in Journal | | 2000 |
| 'John of Kenmare' :Father John O'Sullivan (1807-1874) | Kenny, Colum | Article in Book | NA | 2022 |
| 'Merry in God' (Father William Doyle, S. J.) | Anonymous | Monograph or Collective Volume | Longmans | 1939 |
| 'New Light' thinking and non-subscription amongst Protestant dissenters in England and Ireland in the early 18th century and their relationship with Glasgow University and Scotland | Steers, David | Thesis | | |
| 'Sheep in the midst of wolves'? The protestant ministry in the 1641 depositions | Sweetnam, Mark S. | Article in Journal | | 2013 |
| 'So grand on ....' | Kiely, Benedict | Article in Journal | | 1946 |
| 'The only lever...?', The Catholic priest in Irish politics, 1823-29 | O'Ferrall, Fergus | Article in Journal | | 1981 |
| 'The True Orange Dingers' ballad and the alleged conspiracy of Fr Francis Lappan, PP Tynan | Gilmore, Brian | Article in Journal | | 2015 |
| 'The Vile System of Altar Denunciation'. The case of Fr Anthony Nolan, PP, Monsea Co. Tipperary | Grace, Daniel | Article in Journal | | 2012 |
| 'To keep hospitality' : bishops, banquets and buildings, 1660-1714 | O'Rourke, Liam | Article in Book | Four Courts Press | 2025 |
| 'To know the edition' : erudition and polemic in eighteenth century clerical culture | Champion, Justin | Article in Book | | 2004 |
| 'We shall find a way through' : the Church of Ireland, state prayers and liturgical realities | Ó Corráin, Daithí | Article in Book | | 2006 |
| '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 |
| 'Zeal for God and for souls' : Counter-Reformation preaching in early seventeenth-century Ireland | Cunningham, Bernadette | Article in Book | Four Courts Press | 2001 |
| (Obituary) Fr. James Coombes | Ó Murchadha, Diarmuid | Article in Journal | | 2001 |
| 125 years of caring in Dublin : Our Lady's Hospice, Harold's Cross, 1879-2004 | Healy, T. M. | Monograph or Collective Volume | A & A Farmar | 2004 |
| 18th century documents relating to the parish of St. Michan, Dublin | Young, E. J. | Article in Journal | | 1933 |
| 1922 Executions recalled | Pigott, John | Article in Journal | | 1997 |
| 27 Main Street | Wood, Tom | Monograph or Collective Volume | Red Hen Publishing | 2010 |
| 50 years a priest | Rogers, Pat | Article in Journal | | 2018 |
| A biographical directory of 19th century Catholic clergy from the parish of Lower Creggan, County Armagh | McConville, Kieran | Article in Journal | | 2011 |
| A biographical directory of 19th century Catholic clergy from the Parish of Upper Creggan, Archdiocese of Armagh | McConville, Kieran | Article in Journal | | 2013 |
| A biographical note, Nano Nagle, 1718-1784 | De Bhál, Dolores | Article in Journal | | 2000 |
| A candle was lit : life of Mother Mary Aikenhead | Butler, Margery Bayley | Monograph or Collective Volume | Clonmore & Reynolds | 1953 |
| A Capuchin poet of the Jacobite wars | Walsh, T. J. | Article in Journal | | 1953 |
| A Celtic shrine | McMahon, Maureen | Article in Journal | | 2005 |
| A centenary and a golden jubilee : Mother Morrogh Bernard and the Providence Woollen Mills [Foxford] 1842-1892-1942 | Ryan, John | Article in Journal | | 1942 |
| A century after | Rogers, Patrick | Article in Journal | | 1939 |
| A charge addressed to the clergy of the Dioceses of Armagh and Clogher at the Annual Visitation, 1864 | Gervais, Marcus | Monograph or Collective Volume | Hodges, Foster | 1865 |
| A charge delivered to the clergy and churchwardens at his Primary Visitation | Bernard, J. H. (John Henry), 1860-1927 | Monograph or Collective Volume | Church of Ireland Printing & Publishing Co. | 1911 |
| A charge delivered to the clergy of the diocese of Dublin, at the Visitation, November 14th, 1924 | Fitzgerald, John Allen | Monograph or Collective Volume | Church of Ireland Printing Co. | 1924 |
| A charge delivered to the clergy of the diocese of Dublin, at the Visitation, November 9th, 1927 | Fitzgerald, John Allen | Monograph or Collective Volume | Church of Ireland Printing Co. | 1927 |
| A charge delivered to the clergy of the dioceses of Dublin, Glendalough and Kildare, at the Visitation, November, 1881 | Trench, Richard Chenevix | Monograph or Collective Volume | Hodges, Figgis | 1881 |
| A charge delivered to the clergy of the dioceses of Dublin, Glendalough and Kildare, at the Visitation, October, 1873 | Trench, Richard Chenevix | Monograph or Collective Volume | Hodges, Figgis | 1873 |
| A charge delivered to the clergy of the dioceses of Dublin, Glendalough and Kildare, at the Visitation, October, 1901 | Peacocke, John Fergusan | Monograph or Collective Volume | Church of Ireland Printing Co. | 1901 |
| A charge delivered to the clergy of the united dioceses of Cork, Cloyne, and Ross at the ordinary visitation, October 1867 | Gregg, John | Monograph or Collective Volume | Hodges, Smith | 1867 |
| A charge delivered to the clergy of the united dioceses of Cork, Cloyne, and Ross at the ordinary visitation, October 1882 | Gregg, Robert S. | Monograph or Collective Volume | George Herbert | 1882 |
| A charge delivered to the clergy of the united dioceses of Cork, Cloyne, and Ross, at his primary visitation, in September, 1863 | Gregg, John | Monograph or Collective Volume | William Curry | 1863 |
| A charge delivered to the clergy of the united dioceses of Cork, Cloyne, and Ross, at the ordinary visitation, October 1866 | Gregg, John | Monograph or Collective Volume | Hodges, Smith | 1866 |
| A clerical historian : St J. D. Seymour | Barnard, T. C. (Toby Christopher) | Article in Journal | | 2003 |
| A comparative study of the lives of Church of Ireland and Roman Catholic clergy in the south-eastern dioceses of Ireland from 1550 to 1650 | Hensey, Áine | Thesis | | 2012 |
| 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 controversial cleric : the Reverend William McClenachan | McClenachan, Joseph | Article in Journal | | 2003 |
| A culture of diffidence : mid-century Irish American priests' autobiographies | Rogers, James S. (James Silas) | Article in Journal | | 2007 |
| A database of Catholic priests reported to be in south-eastern Ireland, 1557-1650 [with index] | Hensey, Áine | Article in Journal | | 2015 |
| A day in the life of Father Luke Wadding | Mooney, Canice | Article in Journal | | 1957 |
| A dictionary of the Catholic clergy of the diocese of Clogher (1535-1835) | Ó Gallachair, Pádraig | Article in Journal | | 1968 |
| A different journey | D'Arcy, Brian | Monograph or Collective Volume | Sliabh Bán Productions | 2006 |
| A distinguished son of Leighlinbridge : Fr William Delany, S.J. (1835-1924) | Morrissey, Thomas J. | Article in Journal | | 1984 |
| A document of civility and unity : the Maxwell presentation album of the Christian Brothers of the Indian province | Loughnane, Fiona | Article in Book | | 2015 |
| A Donegal priest who achieved greatness in the new world | King, C. A. | Article in Journal | | 1985 |
| A Dublin priest translates the Latin New Testament into English | Pope, Hugh | Article in Journal | | 1939 |
| A fifteenth-century chronicle at Trinity College, Dublin | Harriss, Gerald Leslie | Article in Journal | | 1965 |
| A fifteenth-century precentor of Limerick | Hodkinson, Brian J. | Article in Book | | 2012 |
| A fifteenth-century precentor of Limerick | Hodkinson, Brian | Article in Journal | | 1994 |
| A foe to tyranny : Rev. Edmund Mulcahy, P.P.U.F. | Muleahy, John | Article in Journal | | 2000 |
| A gifted scholar and saintly priest from Bagenalstown | Anonymous | Article in Journal | | 2000 |
| A great Irish chaplain : Father John Gwynn, S.J. | Bithrey, John | Monograph or Collective Volume | The author | 1954 |
| A hidden Church? The structure of Catholic Dublin in the mid-eighteenth century | Burke, Nuala | Article in Journal | | 1974 |
| 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 priests and nuns from the parish of Louth, Co. Louth | Faul, Stephen A | Monograph or Collective Volume | The author | 2013 |
| A history of the diocese of Raphoe | Maguire, Edward | Monograph or Collective Volume | [s.n.] | 1920 |
| A history of the medieval diocese of Cloyne | MacCotter, Paul | Monograph or Collective Volume | Columba | 2013 |
| A history of training for the ministry of the Church of England in England and Wales from 1875 to 1974 : with an appendix of notes on training for the ministry of the Anglican communion in Ireland and Scotland from 1875 to 1974 : and addenda to a History of training for the ministry from 598 to 1799 and from 1800 to 1874 | Bullock, Frederick William Bagshawe | Monograph or Collective Volume | | 1976 |
| A house divided | MacNerney, James P. | Article in Journal | | 2006 |
| A Huguenot pastor - Benjamin de Daillon 1630-1709 | Germaine, Mona | Article in Journal | | 1996 |
| A humourous letter of Mark O'Keefe | Ó Súilleabháin, Pádraig | Article in Journal | | 1972 |
| A journey ... a dream : the Drumshanbo nuns' story, 1864-2000 | Horan, Margaret V. | Monograph or Collective Volume | The author | 2000 |
| A Killaloe priest in France : John Baptist Walsh, (1750-1825) | Anonymous | Article in Journal | | 1964 |
| A Kilruane priest in the U.S.A. : Rev. Patrick O’Meara | Whyte, Edward | Article in Journal | | 1996 |
| A letter of Father William Phelan, 1786 | Byrne, Cyril J. | Article in Journal | | 1986 |
| A life of Patrick Cardinal O'Donnell | Gallagher, John P. | Thesis | | 1975 |
| A light from the grave : Father Andrew Mullen, 1790-1818 | Dempsey, William | Monograph or Collective Volume | The author | 2000 |
| A list of 17th-century Dublin diocesan priests | O'Riordan, W. M. | Article in Journal | | 1962 |
| A list of Dominicans in Ireland, 1817 | Fenning, Hugh | Article in Journal | | 1966 |
| A list of Dominicans in Ireland, 1832 | NA | Article in Journal | | 1988 |
| A list of the personnel of the Franciscan province of Ireland, 1700 | Anonymous | Article in Journal | | 1965 |
| A list of the priests, secular and regular, of the diocese of Dublin in the year 1697 | O'Riordan, W. M. | Article in Journal | | 1955 |
| A literary life of a socially and politically engaged priest : Canon Patrick Augustine Sheehan (1852-1913) | McBride, Lawrence W. | Article in Book | | 1998 |
| A long journey : the Irish in Scotland | Aspinwall, Bernard | Article in Book | | 1996 |
| A loyal Catholic sermon of 1798 | Gray, John | Article in Journal | | 1987 |
| A man of the Universal Church : Peter James Kenney, S.J., 1779-1841 | Morrissey, Thomas J. | Article in Journal | | 1999 |
| A man with a mission | Graham, Tommy | Article in Journal | | 1993 |
| A man, take him for all in all | Cahill, Sean | Article in Journal | | 1997 |
| A meeting of priests in Co. Derry, 1669 | Lynch, Anthony | Article in Journal | | 1991 |
| A melancholy truth : the travels and travails of Fr Charles Bourke, 1765-1820 | Hoban, Brendan | Monograph or Collective Volume | Baile House | 2008 |
| A message from heaven : the life and crimes of Father Seán Fortune | O'Connor, Alison | Monograph or Collective Volume | Brandon | 2000 |
| A modern apostle of Dublin : Father Peter Kenney, S. J. (1779-1841) | Savage, R. B. | Article in Journal | | 1941 |
| A monastic enclosure site at Clonfad, Co. Westmeath | Stevens, Paul | Article in Journal | | 2006 |
| A nineteenth century house - and the men who lived therein (part 3) : Fr. Charles Flanagan P.P. V.G. (1863-68) | Hasson, Seamus | Article in Journal | | 1987 |
| A nineteenth century parochial house - and the men who lived therein (Part 10). Conclusion | Hasson, Seamus | Article in Journal | | 1995 |
| A nineteenth century parochial house - and the men who lived therein (part 5) : Fr. Michael Tracy P.P., V.F. (1876-90) | Hasson, Seamus | Article in Journal | | 1990 |
| A nineteenth century parochial house - and the men who lived therein, part 2 | Hasson, Seamus | Article in Journal | | 1986 |
| A nineteenth century parochial house and the men who lived there : (parts 6 and 7) : Fr Edward Loughrey, PP, 1890-1915 | Hasson, Seamus | Article in Journal | | 1992 |
| A nineteenth century parochial house and the men who lived therein | Hasson, Seamus | Article in Journal | | 1985 |
| A nineteenth-century parochial house - and the men who lived therein. (Parts 8-9) Fr Edward Loughrey, P.P. (1890-1915) | Hasson, Seamus | Article in Journal | | 1994 |
| A ninteenth century parochial house - and the men who lived therein (part 4) : Fr. Daniel Mooney, P.P., V.F., (1868-76) | Hasson, Seamus | Article in Journal | | 1989 |
| A notable centenary | Breathnach, Micheál | Article in Journal | | 1942 |
| A notable Limerick priest in Scotland | Canning, B. J. (Bernard J.) | Article in Journal | | 2002 |
| A note on a Franciscan Stuart from Armagh | Fennessy, Ignatius | Article in Journal | | 2003 |
| A note on James Archer, S. J., 1550? - 1620? | Bergin, Denis | Article in Journal | | 1968 |
| A note on the Augustinian priory in Athlone | Conlon, Patrick | Article in Journal | | 2003 |
| A note on the Uí Mhaoir of Drumcliff, Co. Clare | McInerney, Luke | Article in Journal | | 2011 |
| A painter of Living Art : Jack P. Hanlon, 1913-1968 | Coleman, John | Article in Journal | | 1988 |
| A parish priest's MS : the Rev. John Murray, P.P., Killalon (1784-1809) | Ó Cléirigh, Tomás | Article in Journal | | 1938 |
| A patriot priest : the life of Father James Coigly, 1761-1798 | | Monograph or Collective Volume | Cork University Press | 1998 |
| A pen-portrait of the clergy serving in Loughrea from 1884-1919 | Kelly, Declan | Article in Book | | 2003 |
| A pioneer from Coad: Margaret Mary Owen (1839-1908) | Macnamara, Maccon
| Article in Journal | | 2024 |
| 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 the rector : Father John Conmee, S.J. | Murray, Patrick | Article in Journal | | 1968 |
| A prayer for Joseph Scriven | Peacock, Shane | Article in Journal | | 1999 |
| A priest in politics : Rev. Thomas Tyrell, P. P., Tinryland, 1823-43 | Kavanagh, P. J. | Article in Journal | | 1976 |
| A priest on the run : William Tirry, OSA, 1608-1654 | O'Connor, John | Monograph or Collective Volume | Veritas | 1992 |
| A priest remembers | Sweeney, Owen | Article in Journal | | 1995 |
| A priest's will, Maynooth, Co. Kildare, 1604 | Mac Cuarta, Brian | Article in Journal | | 2013 |
| A prisoner for the poor, Margaret Aylward (1810-1889) : a memoir | Gibbons, Margaret | Monograph or Collective Volume | Irish Messenger Publications | 1967 |
| A profile of Bernard Burke (1789-1861) | McGuire, Shane | Article in Journal | | 1987 |
| A prophet without honour : the story of Rev Prof James Kidd, DD | Brown, Godfrey | Monograph or Collective Volume | Presbyterian Historical Society of Ireland | 2006 |
| A question of class? relations between bishops and lay leaders in Ireland and Newfoundland 1783-1807 | McNally, Vincent J. | Article in Journal | | 1998 |
| A Question of Rescue Work or Abduction : Eliza McDermot, Legal Opinion, and Anti-Convent Prejudice in Victorian England | Kollar, René | Article in Journal | | 2008 |
| A radical priest in Mayo, Fr. Patrick Lavelle : the rise and fall of an Irish nationalist, 1825-86 | Moran, Gerard | Monograph or Collective Volume | [s.n.] | 1994 |
| A rebel at heart : the autobiography of a non-conforming churchman | Rogers, Guy | Monograph or Collective Volume | Longmans | 1956 |
| 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 road less travelled : tales of the Irish missionaries | | Monograph or Collective Volume | Open Air, an imprint of Four Courts Press | 2011 |
| A rum affair in Demerera : and Guiana's Apostate Vicar, Rt. Rev. John Clancy | Fox, John | Article in Journal | | 2016 |
| A saint of the month | Brodrick, James | Article in Journal | | 1946 |
| A short history of the convent chapel | Saunders, Assumpta | Article in Book | | 2010 |
| A short history of the parishes of the diocese of Meath, 1867-1937 : parts 1-2 | Brady, John, d.1963 | Monograph or Collective Volume | Meath Chronicle | 1937 |
| A short-title catalogue of the papers of Archbishop Michael Slattery in Archbishop's House, Thurles : part 1, 1822-1839 | Tierney, Mark | Article in Journal | | 1988 |
| A short-title catalogue of the papers of Archbishop Michael Slattery in Archbishop's House, Thurles : part 2, 1840-1845 | | Article in Journal | | 1990 |
| A short-title catalogue of the papers of Archbishop Michael Slattery in Archbishop's house, Thurles. Part 3, 1846 | Tierney, M. | Article in Journal | | 1991 |
| A Sister and her school, Dublin 1830 | Butler, Katherine | Article in Journal | | 1988 |
| A sixteenth-century register of Achonry | Swords, Liam | Article in Journal | | 1998 |
| A study of priests' wills in the Roman Catholic Diocese of Limerick (1878-1917) | Tobin, Matthew | Article in Journal | | 2003 |
| A study of the history, landscape and architecture of the Carmelite Friary of Castlelyons, Co. Cork | Lafaye, Anne-Julie | Article in Journal | | 2019 |
| A study of the John Hughes-Terence Donaghoe friendship | Coogan, M. Jane | Article in Journal | | 1982 |
| A succession dispute in the calendars of papal letters: the united dioceses of Cork and Cloyne, 1455-1484 | Whitman, Michael | Article in Journal | | 2011 |
| A tale of two abbots | Lincoln, Siobhán | Article in Journal | | 1986 |
| A testimonial in favour of the Reverend John Dempsey 16 July 1693 | Millett, Benignus | Article in Journal | | 2003 |
| A tribute to the memory of Sr. M. Joseph Ruby | Kelly, Mary | Article in Journal | | 2000 |
| A typical clergyman? Richard Plunkett and the Reformation in Tudor Meath | Scott, Brendan | Article in Journal | | 2005 |
| A voice from the Jacobite underground : Liam Inglis (1709-1778) | Ó Ciardha, Éamonn | Article in Book | | 1998 |
| A voyage to Australia | Casey, GerardDunne, Michael | Article in Journal | | 2001 |
| A Waterford Ursuline historical writer | Butler, Matthew | Article in Journal | | 1943 |
| A widening horizon : Catholic sisterhoods on the Northern plains, 1874-1910 | Peterson, Susan | Article in Journal | | 1985 |
| Abbots in Anglo-Norman parliaments | De Varebeke, Hubert J. | Article in Journal | | 1972 |
| Abbreviations used in the clerical succession lists of the Church of Ireland | Hood, Susan | Article in Journal | | 1998 |
| Ábhair sagart agus an t-Eirí amach | de Vál, Seamus S. | Article in Journal | | 1998 |
| Abram Ryan, priest and poet | Nevin, May | Article in Journal | | 1940 |
| Accommodating clergymen : Church of Ireland ministers and their houses in the north of Ireland, c. 1600-1870 | Roulston, William J. | Article in Book | | 2006 |
| Accommodations with changing orders : the Church of Ireland, 1685-92 | Barnard, T. C. (Toby Christopher) | Article in Book | Four Courts Press | 2025 |
| Account book of the Rev. Andrew Rowan, rector of Dunaghy, Co. Antrim, c.1672-1680 | Chart, D. A. | Article in Journal | | 1942 |
| Account of the bishops of Cork | Lunham, T. A., Colonel | Monograph or Collective Volume | Guy and Co., printers | 1907 |
| Acta Sacrae Congregationis de Propaganda Fide, 1622-50 | | Article in Journal | | 1959 |
| Adam of Harvington, prelate and politician | Hodgetts, Michael | Article in Journal | | 1960 |
| Additional notes on Ireland and the Holy Land | Mooney, Canice | Article in Journal | | 1952 |
| Adhmholadh an athar Shecún Uí Ghallchóir, sagart paróiste Ghort an Choirce ar thórramh Sheáin Uí Eochaidh i dTeach Pobail Chriost Rí, Gort an Choirce, Contae Dhún na nGall, 21 Eanáir 2002 | Ó Gallchoir, Seán | Article in Journal | | 2002 |
| Ag freastal an dá thrá : an Dr Ó Síothcháin, 1922-1937 | Ó Broin, Gréagóír | Article in Journal | | 2013 |
| Against the tide : a calendar of the papers of Rev. J. B. Armour, Irish Presbyterian minister and Home Ruler, 1869-1914 | Armour, J. B.McMinn, J. R. B. | Monograph or Collective Volume | Public Record Office of Northern Ireland | 1985 |
| Agnes Morrogh-Bernard: Foundress of Foxford Woollen Mills | Molloy, Margaret | Monograph or Collective Volume | Mercier Press | 2014 |
| Alas, poor Mogue! The journey, 1798-1953. 1798 revisited | Kavanagh, Myles | Article in Journal | | 2018 |
| Albert H. McElroy : the radical minister 1915-1975 | Gillespie, Gordon | Monograph or Collective Volume | Albert Mcelroy Memorial Fund | 1985 |
| Alexander Carson of Tobermore (1776-1844) : an Ulster giant | Dunlop, R. | Article in Journal | | 1976 |
| Alexander Prince Hohenlohe and his miraculous cures in early nineteenth-century Europe and America | Cronin, Elizabeth | Article in Journal | | 2014 |
| Alexius Stafford : "the popish dean of Christ's church" | Roche, Richard | Article in Journal | | 2000 |
| Alice O'Sullivan, Clonmel missionary and martyr (1836-1870) | Chadwick, Áine Máire | Article in Journal | | 2001 |
| All the bishops' men | Mooney, Tom | Monograph or Collective Volume | Collins Press | 2011 |
| All were together, seemingly conspiring | Matthiesen, Leroy T. | Article in Journal | | 2005 |
| Allies or antagonists? : Irish Catholicism and Irish republicanism during the 1980s | O'Hagan, Dara | Thesis | | 1998 |
| Ambassador extraordinaire : Daniel O'Daly 1595-1662 | Mac Curtain, Margaret | Monograph or Collective Volume | Arlen House | 2017 |
| Amhráin i dtaobh sagart | Ó Murthuile, Seosamh | Article in Journal | | 1973 |
| An abbey in shadowland : a further history of the village of Monkstown | Andrews, Roddie | Monograph or Collective Volume | Hollybank | 2001 |
| An alphabetical list of Dromore clergy mentioned in Roman documents of the eighteenth century | Kearns, Patrick | Article in Journal | | 1990 |
| An alternative establishment : the evolution of the Irish Catholic hierarchy, 1600-49 | Ó hAnnracháin, Tadhg | Article in Book | | 2013 |
| An amazing discovery | Doyle, Eamon | Article in Journal | | 2023 |
| An apostle of Catholic Dublin : Father Henry Young | Ronan, Myles V. (Myles Vincent) | Monograph or Collective Volume | Browne and Nolan | 1944 |
| An apostle of nationality : Fr Eoghan O'Growney | Anonymous | Article in Journal | | 1945 |
| An appreciation. Very Rev. Tobias R. Furlong, P.P., R.I.P. | K., J. L. | Article in Journal | | 1976 |
| An Beirnach: Milltown priest and Gaelic scholar | Carney, Noel | Article in Journal | | 2015 |
| An Canónach Pádraig Ó Laoghaire (1853-1932) ó Chill Briotáin | Breathnach, DiarmuidNí Mhurchú, Máire | Article in Journal | | 1995 |
| An Canónach Séamus Goodman | Ó Fiannachta, Pádraig | Monograph or Collective Volume | Oidhreacht Chorca Dhuinhne | 1990 |
| An Canónach Uilleog De Búrca, 1829-1887 | Ó Maolmhuaidh, Proinsias | Article in Book | | 1997 |
| An chléir agus an léann dùchais anallód: an ginealas | Ó Corráin, Donnchadh | Article in Book | | 1986 |
| An chléir Chaitleacach, an léann dúchais agus an cultúr in Éirinn, c. 1750-c. 1850 | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | NA | 1986 |
| An Déan Proinsias Mac Giolla Earnáin | Anonymous | Article in Journal | | 2004 |
| An East Clare priest : Fr. John Burke 1805-1881 | Burke, Brendan | Article in Journal | | 2005 |
| An ecclesiastical trial. An examination of the trial, in 1776, of the Rev. Edward Smyth, curate of Ballyculter parish | Kennedy, W. E. | Article in Journal | | 1989 |
| An eighteenth-century minister and piper | Donnelly, Seán | Article in Journal | | 2000 |
| An eighteenth-century version of diasporic Irish identity | Byrne, Thomas | Article in Book | | 2005 |
| An eminent Franciscan of the emancipation era | Egan, Bartholomew, OFM | Article in Journal | | 1971 |
| An eye witness to history : Fr Alexander T. McCabe and the Spanish Civil War, 1936-1939 | Keogh, Dermot | Article in Journal | | 1994 |
| An hAthair William Baithe, C.I., 1564-1614 : ceannródaí sa teangeolaíocht | Ó Mathúna, Seán | Monograph or Collective Volume | Oifig an tSoláthair | 1980 |
| An hourglass on the run : the story of a preacher | Feehan, James A. | Monograph or Collective Volume | Mercier Press | 2000 |
| An index of nuns for Ireland? | Gandy, Michael | Article in Journal | | 1999 |
| An Inquiry into certain vulgar opinions concerning the Catholic Inhabitants and the Antiquities of Ireland, in a series of letters, etc. | Milner, John, Bishop of Castabala | Monograph or Collective Volume | | 1808 |
| An interesting plaque at Dysert Parish Church | Breen, Martin | Article in Journal | | 2018 |
| An introduction to sources on Nano Nagle | O'Farrell, Pius | Article in Journal | | 2005 |
| An inventory of the goods of the Rev. Mr John Head, decd. | Herbert, R. | Article in Journal | | 1942 |
| An Irish apostle and archdeacon in Canada | Maclean, Hugh D. | Article in Journal | | 1973 |
| An Irish chaplain with the army of Rochambeau | Walsh, Micheline Kerney | Article in Journal | | 1982 |
| An Irish convict priest | Egan, MichaelWhelan, Kevin | Article in Journal | | 1988 |
| An Irish counter-reformation bishop : John Roche | Corish, Patrick J. | Article in Journal | | 1959 |
| An Irish Dimension to a British Kulturkampf | Barr, Colin | Article in Journal | | 2005 |
| An Irish Franciscan missionary in South Africa | Egan, Bartholomew, OFM | Article in Journal | | 1975 |
| An Irish grave on Monte Cassino : Father Benjamin Joseph Braughall, pilgrim priest of Kildare (1776-1847) | Concannon, Helena | Article in Journal | | 1947 |
| An Irish heretic bishop : Robert Clayton of Clogher | Winnett, A. R. | Article in Book | | 1972 |
| An Irish mystic of our own days | Concannon, Helena | Article in Journal | | 1945 |
| An Irish Rose in Texas | Lynch, Muireann | Article in Journal | | 1993 |
| An Irish seventeenth-century translation of the rule of St. Clare | | Article in Journal | | 1948 |
| An Irish theologian in enlightenment France : Luke Joseph Hooke, 1714-96 | O'Connor, Thomas | Monograph or Collective Volume | Columba | 1995 |
| An Irish tragedy : how sex abuse by Irish priests helped cripple the Catholic Church | Rigert, Joe | Monograph or Collective Volume | Crossland Press | 2008 |
| An Irishman in Portugal | Caball, John | Article in Journal | | 1955 |
| An Irishman's world | Gailey, Andrew | Article in Journal | | 1992 |
| An Ministir Gaelach Uilliam Mac Neill (1774-1821) agus an oidhreacht a d'fhág sé againn | Ó Saothraí, Séamus | Monograph or Collective Volume | Coscéim | 1992 |
| An Moinsíneoir Risteard Barra-Ó Dúghaill (1871-1933) | de Vál, Séamas S. | Article in Journal | | 2016 |
| An sagart agus an file in gcomtheacs a aimsire | Canny, Nicholas P. | Article in Book | | 1986 |
| An t-Athair Eoghan Ó Caoimh, priest poet of Doneraile | Shine, Michael | Article in Journal | | 1999 |
| An t-Athair Micheál Breathnach | Ó Murchadha, Tadhg | Article in Journal | | 1944 |
| An t-Athair Peadar : Father O'Leary | Michael,OFM | Article in Journal | | 1939 |
| An t-Athair Pól Breathnach | Ua Brádaigh, Tomás | Article in Journal | | 1966 |
| An t-Athair Tadhg Ó Murchú (1908-1971) | Breathnach, DiarmuidNí Mhurchú, Máire | Article in Journal | | 1999 |
| An t-Athair Tomás Ó Ceallaigh : priest, scholar and patriot | Tivnan, Frank | Article in Journal | | 1994 |
| An t-Athair Tomás Ó Ceallaigh agus a shaothar, maille le réamhrádh nótaí agus eile | Ó Láimhin, Tomás S. | Monograph or Collective Volume | Complacht Foillsighthe an Iarthair | 1943 |
| An tArdeaspag Micheál Ó Síothcháin | Breatnach, Úna | Article in Journal | | 1997 |
| An tAthair Brasbie | De Brún, Pádraig | Article in Journal | | 1969 |
| An tAthair Cathaoir O Braonain | O hUrmoltaigh, Seán | Article in Journal | | 1989 |
| An tAthair Colmcille Ó Conbhuidhe, O.Cist. | Breathnach, DiarmuidNi Mhurchú, Máire | Article in Journal | | 2003 |
| An tAthair Éamann Conchúr Mac an Bháird (1889-1917) | Mac Labhraí, Seán | Article in Journal | | 2017 |
| An tAthair Eoghan Ó Gramhnaigh | Ní Chonmhidhe, Mairéad | Article in Journal | | 1963 |
| An tAthair Eoghan Ó Gramhnaigh : fear nó finscéal | Ó Dúshláine, Tadhg | Article in Journal | | 1994 |
| An tAthair Gearóid Ó Nualláin, Grammadóir nua-aoiseach | Ó Muirí, Damien | Article in Book | | 1986 |
| An tAthair J. K. Fielding | Ní Dhubhluachra, Padraigín | Article in Journal | | 2001 |
| An tAthair Liam Ó Fearghusa, 1881-1971 | Mac Ginnea, Seán | Article in Journal | | 1980 |
| An tAthair Lorcán Ó Muireadhaigh agus an Cúigeachas | Mac Giolla Chomhaill, Anraí | Article in Journal | | 1984 |
| An tAthair Mánus Mac Suibhne, sagart Ó Mhaigh Eo in Éirí amach 1798 | Mulloy, SheilaÓ Móráin, Pádraig | Monograph or Collective Volume | Westport Historical Society | 1999 |
| An tAthair Mathúin : seanchas an pharóiste | Ó Duibhir, Donnchadh | Article in Book | | 1990 |
| An tAthair Mathúin Ó Riain agus ceist na talún, 1887 | de Búrca, Marcus | Article in Book | | 1990 |
| An tAthair Mícheál Ó Gríofa | Ó Comhraí, Cormac | Article in Book | | 2008 |
| An tAthair Micheál Ó hIcí | Ó Fiannachta, Padraig | Article in Book | | 1986 |
| An tAthair Micheál Ó hIcí, agus Maigh Nuad | Ó Fiannachta, Pádraig | Article in Book | | 1986 |
| An tAthair Micheál P. Ó hIcí | De Róiste, Máire | Article in Book | | 1986 |
| An tAthair Séamas Ó Coigligh | Ó Muirí, Réamonn | Article in Book | | 1998 |
| An tAthair Seán Ó Murchú | Ó Dubhghaill, Séamus | Article in Journal | | 2003 |
| An tAthair Tadhg | Tyers, Pádraig | Monograph or Collective Volume | An Sagart | 2000 |
| An tAthair Tom - laoch Chogadh na Talún | de Vál, Séamas S. | Article in Journal | | 2006 |
| An tAthair Tomás de Hóra, 1796-1864 | de Vál, Séamas S. | Article in Journal | | 1998 |
| An Turas Fionnachtana i saothar Bhreandáin Uí Dhoibhlin | Mac Craith, Mícheál | Article in Book | | 2007 |
| An unfortunate man : James Coigly, 1761-98 | Keogh, Dáire | Article in Journal | | 1998 |
| An unpublished eighteenth century Franco-Irish manuscript | Hayes, Richard Francis | Article in Journal | | 1939 |
| An unusual mission : establishing the Pioneers in Zambia | Searson, Charles | Article in Book | | 2015 |
| An Ursuline writer on Irish history | O'Rahilly, Alfred | Article in Journal | | 1942 |
| Andrew Campbell, bishop of Kilmore, 1753-1769 | Campbell, P. J. | Article in Journal | | 1977 |
| Andrew Campbell, bishop of Kilmore, 1753-1769 : student days in Spain | Walsh, Micheline | Article in Journal | | 1977 |
| Anglo-Irish and Gaelic women in Ireland, c.1170-1540 | Kenny, Gillian | Monograph or Collective Volume | Four Courts | 2007 |
| Anointing the sick and the dying in Christian antiquity and the early medieval west | Paxton, Frederick | Article in Book | | 1992 |
| Anthony Gernon, O.F.M. (c.1610-1680) and the Irish remonstrance | Faulkner, Anselm | Article in Journal | | 1971 |
| Aodh Mac Doimhin : clerical advancement in fourteenth century Armagh | McGuckin, J. H. | Article in Journal | | 1983 |
| Apotheosis and crisis : the Irish diaspora in the age of Choiseul | Cullen, L. M. (Louis Michael) | Article in Book | | 2006 |
| Archbishop Corrigan and the coming of the Carmelites to New York | Isacsson, Alfred | Article in Journal | | 1988 |
| Archbishop Hughes and the question of Ireland, 1829-1862 | Connor, Charles P. | Article in Journal | | 1984 |
| Archbishop John Hughes : 1838-1864 | Fratini, Mary ElizabethO'Hurley-Pitts, Michael | Article in Book | | 1999 |
| Archbishop Ussher's scheme of church government | Bolton, F. R. | Article in Journal | | 1947 |
| Archdeacon James Tierney's carte de visite | Hall, Brendan | Article in Journal | | 2012 |
| Archdeacon Luke Rochford and his circle | Brady, John, d.1963 | Article in Journal | | 1961 |
| Archibald Hamilton, een gevluchte anglicaansche aartsbisschop in Nederland | Beek, J. van | Article in Journal | | 1907 |
| Architecture | Devlin, Eoin | Article in Book | Oxford University Press | 2023 |
| Archives of the Irish Augustinians, Rome : a summary report | Martin, F. X. (Francis Xavier), 1922-2000 | Article in Journal | | 1955 |
| Ardfert & Aghadoe clergy and parishes : being an account of the clergy of the Church of Ireland in the Diocese of Ardfert and Aghadoe from the earliest period, with historical notices of the several parishes, churches, etc. | Leslie, J. B. (James Blennerhassett) | Monograph or Collective Volume | Church of Ireland Printing and Publishing Co. | 1940 |
| Ardfert and Aghadoe Clergy and Parishes: being an account of the clergy of the Church of Ireland in the diocese of Ardfert and Aghadoe from the earliest period, with historical notes of the several parishes, churches, etc | | Monograph or Collective Volume | Originally The Church of Ireland Printing and Publishing Co. Ltd|Ulster Historical Foundation et al. | 2015 (originally 1940) |
| Armagh clergy and parishes : being an account of the clergy of the Church of Ireland in the Diocese of Armagh, from the earliest period, with historical notices of the several parishes, churches, &c | Leslie, J. B. (James Blennerhassett) | Monograph or Collective Volume | W. Tempest | 1911 |
| Armagh clergy, 1800-2000 | Fleming, W. E. C. | Monograph or Collective Volume | The author | 2001 |
| Arthur Cox, 1891-1965 | McCague, Eugene | Monograph or Collective Volume | Gill & Macmillan | 1994 |
| Asbol ne Measardhachta | Eláir, an tAth | Article in Journal | | 1938 |
| Aspects of language and religion in the late nineteenth century : Rev. James Shea (1870-1959), itinerant preacher, diarist and poet of the revival | Ó Coigligh, Ciarán | Article in Journal | | 2001 |
| Aspects of the literary activity of the Irish Franciscans in Prague, 1620-1786 | Mac Craith, MícheálWorthington, David | Article in Book | | 2003 |
| At the coalface : recollections of a city and country priest, 1950-2000 | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Columba | 2000 |
| At the edge of the abyss : poems by Brian Mac Giolla Phádraig (c.1580-c.1652) | Moylan, Séamus | Article in Journal | | 1993 |
| Athchuinghe as Ailfinn | | Article in Journal | | 1959 |
| Attitudes to the counter-reformation in Meath, 1600-1630 | Rice, Gerard | Article in Journal | | 1972 |
| Aughadown parish religious sisters | O'Driscoll, Tadhg | Article in Journal | | 2001 |
| Augustinian foundations in the south-east (Dungarvan, Clonmines, New Ross and Callan) | Butler, T. C. | Article in Journal | | 1978 |
| Augustinus Gibbon de Burgo, OESA, und die Wiedererrichtung des theologischen Studiums der Augustinereremiten an der Universität Erfurt | Kleineidam, Erich | Article in Journal | | 1978 |
| Australia | Burke, DamienHead, Michael, SJWilson, Graham | Article in Book | | 2014 |
| Autobiography | Gerald, of Wales, c.1146-1220x23 | Monograph or Collective Volume | [s.n.] | 1937 |
| Balancing the books : the papal penitentiary, a tender conscience and the rectory of Clonfeacle | Haren, M. J. | Article in Journal | | 1989 |
| Ballinaglera and Inishmagrath : the history and traditions of two Leitrim parishes | Clancy, EllenClancy, Peter S.Forde, John ChristopherForde, Patrick J. | Monograph or Collective Volume | The author | 2003 |
| Ballinasloe : the flogging parson, Charles le Poer Trench, archdeacon of Ardagh | Maguire, S. J. | Article in Journal | | 1950 |
| Baltinglass convent | Morrissey, Therese | Article in Journal | | 1983 |
| Banfhondúirí Atha Cliath | De Paor, Máire | Monograph or Collective Volume | Preas Cholm Cille | 1988 |
| Bartholomew Cavanagh, Pastor of Knock parish 1879 | Kavanagh, Jimmy | Article in Journal | | 2003 |
| Bedell's old testament | | Article in Journal | | 1942 |
| Before 1840 | Q., E. J. | Article in Book | | 1940 |
| Beirt shagart 1798 | de Vál, Seamus S. | Article in Book | | 1998 |
| Believe it or not : a memoir | Semple, Patrick | Monograph or Collective Volume | Columba | 2002 |
| Bellevue Park | McGovern, Brendan | Article in Journal | | 2017 |
| Bellinter House | Caffrey, SandraFrench, Noel E.Mitchell, FrancesPriest, Susan | Monograph or Collective Volume | Trymme Press | 1993 |
| Benedictine bishops in medieval Ireland | Varebeke, H. J. de | Article in Book | | 1967 |
| Benedictine monks from Rosscarbery in Würzburg - A remarkable cultural exchange in the Middle Ages | Flachenecker, Helmut | Article in Journal | | 2018 |
| Berkeley, Clayton, and An Essay on Spirit | Berman, David | Article in Journal | | 1971 |
| Bernard Brady, O. P., parish priest of Derryvullen, 1770-1800 | Fenning, Hugh | Article in Journal | | 1967 |
| Bethlehem of Westmeath | Conlon, Patrick | Article in Journal | | 2003 |
| Bethlehem, Athlone and Killinure : the Poor Clares and the Franciscans in the seventeenth century | Cunningham, Bernadette | Article in Book | | 2015 |
| Betrayal of trust : the Father Brendan Smyth affair and the Catholic church | Moore, Chris | Monograph or Collective Volume | Marino Press | 1995 |
| Between reformation and enlightenment : Presbyterian clergy, religious liberty and intellectual change | Coffey, John | Article in Book | | 2013 |
| Between the mountains and the gantries | Morrison, Will, 1933- | Monograph or Collective Volume | Appletree | 2006 |
| Biblical studies : the medieval Irish contribution | McNamara, Martin | Monograph or Collective Volume | Dominican Publications | 1976 |
| Bibliothèque de la Compagnie de Jésus. Première partie : Bibliographie. 10 vols. | Backer, Aloys deBacker, Augustin deSommervogel, Carlos | Monograph or Collective Volume | | 1890 |
| Bickersteth, bishop of Ripon : the episcopate of a mid-Victorian evangelical | Hempton, David | Article in Journal | | 1981 |
| Big changes in a small place : health care in Sierra Leone | Hally, Catherine M. | Article in Book | | 2015 |
| Biographical note : Father Bryan O'Cannan (1692-1743) | Ó Canann, Tomás | Article in Journal | | 2000 |
| Biographical succession lists of the clergy of Diocese of Down | Leslie, J. B. (James Blennerhassett)Swanzy, Henry B. | Monograph or Collective Volume | Printed and published at the 'Fermanagh Times' Office by R.H. Ritchie | 1936 |
| Birr, Convent of Mercy. Convent centenary | Anonymous | Article in Journal | | 1940 |
| Birth of an airport parish : the early years of St Senan’s parish, Shannon, 1945-88 | Ó Donnabháin, Diarmaid | Monograph or Collective Volume | Columba Press | 2014 |
| Bishop Charles McHugh of Derry Diocese (1856-1926) | Donnelly, Philip | Article in Journal | | 2005 |
| Bishop Dive Downes' visitation of his Diocese, 1699 | | Article in Journal | | 1909 |
| Bishop Gilbert of Limerick, suffragan of Canterbury | O’Connor, Dónal | Article in Journal | | 2013 |
| Bishop Hoare and politics | Mulryan, Maureen | Article in Journal | | 2007 |
| Bishop John Connolly : 1815-1825 | Fratini, Mary Elizabeth | Article in Book | | 1999 |
| Bishop John Dubois : 1825-1842 | Fratini, Mary ElizabethO'Hurley-Pitts, Michael | Article in Book | | 1999 |
| Bishop Malchus : his arrival in Lismore, and the Winchester saints in a Waterford Calendar | O'Connor, Donal | Article in Journal | | 2006 |
| Bishop Patrick McGettigan of Raphoe, 1820-1861 | Canning, B. J. (Bernard J.) | Article in Journal | | 2011 |
| Bishop Patrick O'Donnell and Rome | Silke, John J. | Article in Journal | | 2013 |
| Bishop Richard Luke Concannen : 1747-1810 | Fratini, Mary ElizabethO'Hurley-Pitts, Michael | Article in Book | | 1999 |
| Bishop Thomas Lewis O'Beirne and his church-building programme in the diocese of Meath, 1798-1823 | Gallagher, Mary C. | Thesis | | 2009 |
| Bishop Walter Lynch (c.1593-1663) and the Black Madonna of Gyor | Ó hAnnracháin, Tadhg | Article in Book | | 2015 |
| Bishop William O'Higgins finally honoured | Editor | Article in Journal | | 2007 |
| Bishops and ministers in Ulster during the primacy of Ussher | Kilroy, Phil | Article in Journal | | 1977 |
| Black and white collar films : exploring the Irish film archive collections of clerical films | O'Flynn, Sunniva | Article in Book | | 2004 |
| Black Eagle of the North : archdeacon John Murphy | MacCarthy, B. G. | Article in Journal | | 1949 |
| Blackmouth & dissenter | Barkley, John M. | Monograph or Collective Volume | White Row Press | 1991 |
| Blessed Columba Marmion : a short biography | Tierney, Mark | Monograph or Collective Volume | Columba | 2000 |
| Bofeenaun Friary: history and architecture of a late medieval religious house | McDermott, Yvonne | Article in Journal | | 2018 |
| Booterstown Parish, a Pastoral Journey
through four centuries 1616 - 2013 | Lyng, Paul | Monograph or Collective Volume | Choice Publishing | 2013 |
| Boston priests 1848-1910 : a study of social and intellectual change | Merwick, Donna | Monograph or Collective Volume | Harvard University Press | 1973 |
| Bow Lane and the medieval vicars choral of St Mary's Cathedral, Limerick | Hodkinson, Brian | Article in Journal | | 2010 |
| Bow Lane and the medieval vicars choral of St Mary's Cathedral, Limerick | Hodkinson, Brian J. | Article in Book | | 2012 |
| Br Michael Paul Riordan, successor of Br Edmund Ignatius Rice, in 1836, as Superior General of the Irish Christian Brothers | McAleer, Gerard | Article in Journal | | 2011 |
| Breandan O Doibhlin agus Seachadadh an Traidisiúin | Ó Doibhlin, Diarmaid | Article in Book | | 2007 |
| Breandán Ó Doibhlin in the Maynooth tradition of Christian humanism | Corish, Patrick J. | Article in Book | | 1997 |
| Breandán Ó Doibhlin Saol agus Saothar | | Monograph or Collective Volume | Coiscéim | 2007 |
| Breandan O Doibhlin: Pathfinder. | Ó Dúshláine, Tadhg | Article in Book | | 2007 |
| Brevis synopsis provinciae Hiberniae fratrum minorum | Jennings, BrendanMathews, F. | Article in Journal | | 1934 |
| Brian MacGurk, dean of Armagh, [c.1620-1713] | Ó Fiaich, Tomás | Article in Journal | | 1986 |
| Brides of Christ : Women and monasticism in medieval and early modern Ireland | | Monograph or Collective Volume | Four Courts Press | 2023 |
| Brief memoirs of all the Bishops of Derry since the Reformation : with a sketch of the early history of the See | Maturin, Edmund | Monograph or Collective Volume | James Hempton | 1867 |
| Bringing it all back home : Mary Butler (1641-1723), Benedictine abbess of Ypres | Kelly, James E. | Article in Book | | 2015 |
| Brother James Dominic Burke : a pioneer of Irish education | Kelleher, Daniel V. | Monograph or Collective Volume | [s.n.] | 1988 |
| Brother James O'Hare | Cannon, Tom | Article in Book | | 2016 |
| Brother Odilo Waldron, Kentucky, U.S.A. Died 18th Aug. 1988. [Obituary] | Waldron, Luke Eoin | Article in Journal | | 1996 |
| Brussels MS.3947. De provincia Hiberniae S. Francisci | | Article in Journal | | 1934 |
| Building Mitchelstown, 1779-1830 | Fleming, David A. | Monograph or Collective Volume | Four Courts Press | 2025 |
| Building the parochial house, Donore - 1860 | McCullen, John | Article in Journal | | 1996 |
| By pen and pulpit : the life and times of the author Canon Sheehan | Barry, Michael | Monograph or Collective Volume | Saturn Books | 1990 |
| Cabra Dominicans and all that jazz : a story of Dominican Sisters in Louisiana | McKeown, Maris Stella | Monograph or Collective Volume | Dominican Publications | 2006 |
| Caherciveen's musical priest | McAuliffe, Nicholas | Article in Journal | | 1991 |
| Cáin Adomnáin, 697 : the Irish 'Geneva convention' | O'Dwyer, Máire | Article in Journal | | 2015 |
| Calendar of Irish material in ... Fondo di Vienna in Propaganda archives | | Article in Journal | | 1990 |
| Calendar of Irish material in the files of Jean Fromont, notary at Paris, May 1701-14 Jan 1730, in the Archives Nationales, Paris : part 1, 1701-1715 | Swords, Liam | Article in Journal | | 1993 |
| Calendar of Irish material in the files of Jean Fromont, notary at Paris, May 1701-24 Jan. 1730, in the Archives Nationales, Paris. Pt. 2 : 1716-30 | Swords, Liam | Article in Journal | | 1994 |
| Called to a mission of charity : the sisters of St. Joseph in the civil war | Wall, B. M. | Article in Journal | | 1998 |
| Canada | Monahan, A. P. | Monograph or Collective Volume | Gill | 1971 |
| Candle beams : Cloughjordan priests, religious and lay missionaries | | Monograph or Collective Volume | Cloughjordan Heritage Group | 2003 |
| Canon Corrigan : achievement and challenge | Ó Ferghail, Fearghus | Article in Book | | 1997 |
| Canon Edward J. Whyte | Anonymous | Article in Journal | | 2001 |
| Canon Edward J. Whyte - a profile | Grace, Daniel | Article in Journal | | 1996 |
| Canon Frederick Donovan's Dunlavin, 1884-1896 : a west Wicklow village in the late nineteenth century | Lawlor, Chris, 1960- | Monograph or Collective Volume | Irish Academic Press | 2000 |
| Canon Gerard Wall | Costello, Hanna | Article in Journal | | 2003 |
| Canon Goodman | Byrne, Jim | Article in Journal | | 2005 |
| Canon Grainger : country rector, magpie collector and father of the Ulster Museum | James, Kenneth | Article in Journal | | 1991 |
| Canon J.. McGarry, editor (of The Furrow) 1950-1977 | Drury, Ronan | Article in Journal | | 1977 |
| Canon J.G. McGarry, editor of 'The Furrow', 1950-1977. The man, the style and the issues | McDonagh, Enda | Article in Journal | | 1977 |
| Canon John Burton's biographical sketch of Canon Sheehan | Burton, John, Canon | Article in Journal | | 2015 |
| Canon John Burton's biographical sketch of Canon Sheehan | Burton, John, Canon | Article in Journal | | 2015 |
| Canon John O'Hanlon (1821-1905) : his early days in St Louis | Concannon, Helena | Article in Journal | | 1947 |
| Canon John O'Rourke : historian of the Great Famine | Comerford, R.V. (Richard Vincent) | Article in Book | | 1995 |
| Canon Justin McCarthy, P.P. of Mallow 1847-1852 : notes on his life and times | Kavanagh, Myra | Article in Journal | | 2012 |
| Canon Keller of Youghal | Larkin, Felix M. | Article in Book | | 2013 |
| Canon Madden p.p., 1889-1952, priest and social worker | Power, Joe | Article in Journal | | 2010 |
| Canon Power and Rian Bó Phádraig | Cashman, John | Article in Journal | | 1990 |
| Canon R.C. Patten | McCarthy, Robert E. | Article in Journal | | 2006 |
| Canon Sheehan | Forde, R. | Article in Journal | | 1980 |
| Canon Sheehan | Barry, John | Article in Journal | | 1946 |
| Canon Sheehan - unpublished manuscripts | Forde, R. | Article in Journal | | 1995 |
| Canon Sheehan : a turbulent priest | Clifford, Brendan | Monograph or Collective Volume | Aubane Historical Society | 1990 |
| Canon Sheehan : the gardener-philosopher of Doneraile | Buckley, Bobby | Article in Journal | | 2012 |
| Canon Sheehan of Doneraile | MacGowan, Kenneth | Monograph or Collective Volume | Catholic Truth Society | 1963 |
| Canon Sheehan of Doneraile, 1852-1913 : outlines for a literary biography | O'Brien, James | Monograph or Collective Volume | Smenos | 2013 |
| Canon Sheehan, from unpublished letters | Forde, Robert | Article in Journal | | 1986 |
| Canon Tom and the City of Taghmon | Scallan, Eithne | Article in Journal | | 2005 |
| Canon Ulick J. Bourke, 1829-87 | Concannon, Helena | Article in Journal | | 1950 |
| Caoineadh ar an Athair Muiris Ó Cuill | Ó Murthuile, Seosamh | Article in Journal | | 1969 |
| Captaen na bhFear mBán : Father Nicholas Sheehy in history/folklore | Ó Cadhla, Stiofán | Article in Journal | | 2002 |
| Cardinal Cullen and Irish nationality | Steele, Edward David | Article in Journal | | 1975 |
| Cardinal John McColoskey : 1864-1885 | Fratini, Mary Elizabeth | Article in Book | | 1999 |
| Cardinal Patrick Francis Moran | Ellis, William | Article in Journal | | 1983 |
| Cardinal Patrick O'Donnell, 1856-1927 | Ó Baoighill, Pádraig S. | Monograph or Collective Volume | Foilseacháin Chró na mBothán | 2008 |
| Cardinal Samuel Stritch and his ancestors | MacMahon, Bryan | Article in Book | | 2012 |
| Carlow College 1793-1993 : the ordained students and teaching staff of St. Patrick's College, Carlow | McEvoy, John | Monograph or Collective Volume | St. Patrick's College | 1993 |
| Carlow College : two hundred years of education | McEvoy, John | Article in Journal | | 1992 |
| Carlow College, Pittsburgh, Pennsylvania (U.S.A.) | McKenna, Dermot | Article in Journal | | 1997 |
| Case Study – Unfinished Business in Post-Civil War Ireland: The repatriation of Fr Albert Bibby and Fr Dominic O’Connor | Borgonovo, John | Article in Book | Cork University Press | 2024 |
| Cashel & Emly heritage | Skehan, Walter G. | Monograph or Collective Volume | Abbey Books | 1993 |
| Catalogue of Irish material in vols 370 and 371 of the Scritture riferite originali nelle congregazioni generali in Propaganda archives | | Article in Journal | | 1985 |
| Catalogue of Irish material in vols. 370 and 371 of the Scritture riferite originali nelle congregazioni generali in Propaganda Archives | | Article in Journal | | 1985 |
| Catalogue of manuscripts in possession of the Representative Church Body, ... Dublin | Leslie, J. B. (James Blennerhassett) | Monograph or Collective Volume | | 1938 |
| 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 |
| Catherine McAuley venerable for mercy | Bolster, Angela | Monograph or Collective Volume | Dominican | 1990 |
| Catherine McAuley's theological and literary debt to Alonso Rodriguez : the 'spirit of the institute' parallels | Sullivan, Mary C. | Article in Journal | | 1990 |
| Catholic chaplains on the Western Front, 1915-1919 : Lancashire's pivotal role | Bellis, Steve | Thesis | | |
| Catholic churchmen and the Celtic revival in Ireland, 1848-1916 | Collins, Kevin | Monograph or Collective Volume | Four Courts | 2002 |
| Catholic clergy and religious practice in Ennis 1651-1842 | Ó Dálaigh, Brian | Article in Journal | | 2002 |
| Catholic clergy of Tullaherin parish | Cassin, Mary | Article in Journal | | 1987 |
| Catholic historiography in Australia | Inglis, Kenneth Stanley | Article in Journal | | 1958 |
| Catholic marriage under the Penal Code | Corish, Patrick J. | Article in Book | | 1985 |
| Catholic missionaries and Liberia : a study of Christian enterprise in west Africa, 1842-1949 | Hogan, Edmund M. | Monograph or Collective Volume | Cork University Press | 1981 |
| Catholic priests and political violence in Ireland, 1919-21 | Heffernan, Brian J. | Thesis | | 2011 |
| Catholic sisterhoods and the immigrant church | Mageean, D. M. | Article in Book | | 1992 |
| Catholicism and social discipline in pre-famine Ireland | Connolly, Sean J. | Thesis | | |
| Celebrating 200 years of St Colman's Church, Cloyne | Hartnett, MargaretLyons, PatriciaTerry, Kevin | Monograph or Collective Volume | Cloyne Parish | 2015 |
| Celibacy in the Catholic church : a brief history | O'Loughlin, Thomas | Article in Journal | | 1995 |
| Centenary of Fr. Laurence Murray, 1883-1941 | Ó Fiaich, Tomás | Article in Journal | | 1983 |
| Centenary of the Passionists in Ireland, 1856-1956 | Anonymous | Monograph or Collective Volume | [s.n.] | 1956 |
| Channel Row (Dublin) Dominican Convent accounts for the year 1741.Monthly receipts and expenses, with an inventory of the house and financial summary | Cunningham, Bernadette
| Article in Journal | | 2022 |
| Chaplain extraordinary | Chadwick, Austin | Article in Journal | | 1971 |
| Chaplain in Spain, 1937 | Daly, Charles | Article in Journal | | 1988 |
| Chaplains at the Front | Looby, John | Article in Book | | 2014 |
| Charles Bonaventure Maguire, O.F.M. (1768-1833) | Faulkner, Anselm | Article in Journal | | 1983 |
| Charles Hardcastle of Waterford | Kingdon, D. P. | Article in Journal | | 1970 |
| Charles Irvine Graham | | Article in Journal | | 1911 |
| Charles Robert Maturin | Fahy, Odette | Article in Book | | 2003 |
| Charles Robert Maturin (1782-1824) : forgotten Irish novelist | Brennan, Kevin | Article in Journal | | 1979 |
| Charleville's Sisters of Mercy and Crimean war | O'Riordan, Ted | Article in Journal | | 1986 |
| Childhood interrupted : [growing up in the cruel regime of the Sisters of Mercy] | O'Malley, Kathleen | Monograph or Collective Volume | Virago | 2005 |
| Cholera in Ballymena : Rev Hugh Cumming's minutes of the Ballymena Board of Health, 1832-4 | Dunlop, EullSmyth Cumming, Hugh | Monograph or Collective Volume | Cambridge House Boys' Grammar School | 1989 |
| Christian citizens : the Catholic church and radical politics 1790-1800 | Keogh, Dáire | Article in Book | | 1997 |
| Christians : a celebration of one hundred years of the Christian Brothers College, Cork | | Monograph or Collective Volume | Christian Brothers | 1989 |
| Chun Glóire Dé : an illustrated guide to Kilmallock Catholic Church, its history, contributors and clergy | | Monograph or Collective Volume | Kilmallock Historical Society | 2004 |
| Church buildings and pastoral care in early medieval Ireland | Ó Carragáin, Tomás | Article in Book | | 2006 |
| Church life at home and abroad : A charge delivered to the clergy of the Diocese of Meath at his second visitation, October 1878 | Plunket, Lord, bishop of Meath | Monograph or Collective Volume | Hodges, Foster & Figgis | 1878 |
| Church of Ireland clergy and the 1798 rising | Comerford, Patrick | Article in Book | | 1997 |
| Church of Ireland clerical succession lists and their compilers | Refaussé, Raymond | Article in Journal | | 1998 |
| Church of the Assumption, Callan | Dalton, William,Purcell, William | Article in Book | | 2010 |
| Churches and priests of Knockninny | Small, Terence | Article in Journal | | 1959 |
| Churches, people and pastors : the Church of Ireland in Victorian Dublin, 1833-1901 | Crawford, John W. R. | Thesis | | 2003 |
| Churchill and the naval chaplains | Gwynn, D. R. (Denis Rolleston), 1893-1972 | Article in Journal | | 1965 |
| Circles of friends : a personal memoir | Brophy, P. J. | Monograph or Collective Volume | Carlovian Press | 1993 |
| Classon Porter. A short account of the life and work of a nineteenth century non-subscribing minister in Larne | McIlrath R. H. | Article in Journal | | 1993 |
| Clement Smyth (1810-1865) : a founder of New Melleray and Civil War bishop | Heffern, Colman | Article in Journal | | 1970 |
| Clement Smyth, Osco : Trappist monk and frontier prelate | Coogan, M. Jane | Article in Journal | | 1989 |
| Clergy and churchwardens of Termonfeckin parish | Mac Íomhair, Diarmuid | Article in Journal | | 1969 |
| Clergy lists of Elphin, 1731-1818 | | Article in Journal | | 1996 |
| Clergy of Cashel and Emly, compiled by the Ven St. J. D. Seymour ; Clergy of Leighlin, compiled by the Canon J. B. Leslie : biographical succession lists | | Monograph or Collective Volume | Ulster Historical Foundation; Cashel and Ossory Diocesan Council | 2012 |
| Clergy of Clogher : biographical succession lists | Leslie, J. B. (James Blennerhassett) | Monograph or Collective Volume | Ulster Historical Foundation | 2006 |
| Clergy of Connor : from patrician times to the present day | Leslie, J. B. (James Blennerhassett) | Monograph or Collective Volume | Ulster Historical Foundation | 1993 |
| Clergy of Derry and Raphoe | | Monograph or Collective Volume | Ulster Historical Foundation: Diocesan Council of Derry & Raphoe | 1999 |
| Clergy of Down and Dromore | | Monograph or Collective Volume | Ulster Historical Foundation | 1996 |
| Clergy of Dublin and Glendalough : biographical succession lists | | Monograph or Collective Volume | Ulster Historical Foundation and Diocesan Councils of Dublin and Glendalough | 2001 |
| Clergy of Elphin diocese, 1810-1812 | | Article in Journal | | 1993 |
| Clergy of Killaloe, Kilfenora, Clonfert and Kilmacduagh | Leslie, J. B. (James Blennerhassett) | Monograph or Collective Volume | Ulster Historical Foundation and Diocesan Council of Limerick and Killaloe | 2010 |
| Clergy of Limerick,
Clergy of Ardfert and Aghadoe :
biographical succession lists | | Monograph or Collective Volume | Ulster Historical Foundation|Church of Ireland. Diocese of Limerick. Diocesan Council|Church of Ireland. Diocese of Ardfert and Aghadoe Diocesan Council | 2015 |
| Clergy of Tuam, Killala and Achonry : biographical succession lists | | Monograph or Collective Volume | Ulster Historical Foundation|Diocesan Council Tuam, Killala and Achonry | 2008 |
| Clergy of Waterford, Lismore and Ferns : biographical succession lists | | Monograph or Collective Volume | Ulster Historical Foundation|Diocesan Council Cashel, Ossory and Ferns | 2008 |
| Clergy who served in Castlebridge | Gahan, John | Article in Book | | 2005 |
| Clerical Abuse | Daly, Marie E. : Pound, Marcus | Article in Book | Oxford University Press | 2023 |
| 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 |
| Clerical and parish libraries | Hunt, Arnold | Article in Book | | 2006 |
| Clerical errors: Reading desire in nineteenth-century Irish painting | Nugent, Joseph | Article in Journal | | 2011 |
| Clerical indiscipline and ecclesiastical authority in Ireland, 1690-1750 | O'Flaherty, Eamon | Article in Journal | | 1992 |
| Clerical lawyers in thirteenth-century Limerick | Swift, Catherine | Article in Book | Four Courts Press | 2024 |
| Clerical recruitment, 1735-83 : documents from Windsor and Rome | | Article in Journal | | 1972 |
| Clerical sea pilgrimages and the Imrama | Thrall, William Flint | Article in Book | | 2000 |
| Clerical wives in Tudor and early Stuart Ireland | McShane, Bronagh Ann | Article in Book | | 2019 |
| Clerics as rulers : some implications of the terminology of ecclesiastical authority in early medieval Ireland | Davies, Wendy, 1942- | Article in Book | | 1982 |
| Clerics of Derry | Anonymous | Article in Journal | | 1978 |
| Clérigos Irlandeses en la corte de Madrid | García Hernán, Enrique | Article in Book | | 2008 |
| Clogher clergy and parishes : being an account of the clergy of the Church of Ireland in the Diocese of Clogher, from the earliest period, with historical notices of the several parishes, churches, etc. | Leslie, J. B. (James Blennerhassett) | Monograph or Collective Volume | Printed for the author at the 'Fermanagh Times' Office by R.H. Ritchie | 1929 |
| Clogherici : a dictionary of the Catholic clergy of the diocese of Clogher (1535-1835) | Ó Gallachair, Pádraig | Article in Journal | | 1986 |
| Clogherici : a dictionary of the Catholic clergy of the diocese of Clogher (1535-1835) | Ó Gallchobhair, Pádraig | Article in Journal | | 1955 |
| Clogherici : Clogher clergy (1535-1835) | Ó Gallachair, Pádraig | Article in Journal | | 1967 |
| Clonmore Rectory in 1407 and doubts on the Calendar of Papal Letters | O'Brien, Niall C.E.J. | Article in Journal | | 2017 |
| Coláiste Gaedhilge na hÁírde Móire | Tóibín, Seán | Article in Journal | | 2006 |
| Collation of Eoghan Ó hAogáin to the priory of Ballbeg and the abbey of Maur | Ó Maidín, Pádraig | Article in Journal | | 1968 |
| Colmán of Cloyne : a study | MacCotter, Paul | Monograph or Collective Volume | Four Courts | 2004 |
| Colourful Corkman | O'Cahill, Donal | Article in Journal | | 1944 |
| Columbanians across the Channel | Fox, Yaniv | Article in Book | | 2015 |
| Commentary, Fr. Nicholas Callan : scientist and theologian | Farrell, Dermot | Article in Journal | | 1998 |
| 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 |
| Confidantes or competitors? Women, priests and conflict in post-Famine Ireland | Delay, Cara | Article in Journal | | 2005 |
| Conflict during the incumbency of the Reverend Augustus B.R. Young, Rector of Ballybay, Co. Monaghan 1872-1920, Prebendary of Devenish 1906-1911 and Precentor of Clogher 1911-1920 | Scarlett, Duncan | Article in Journal | | 1998 |
| Conflict, politics and patronage in late eighteenth century Armagh: a study of the correspondence of Edward Hudson, Church of Ireland Minister, Forkhill, 1789-1795 | Behan, Janine Elaine | Article in Journal | | 2016 |
| Conor O'Mahony, S.J. (1594-1656). Separatist | Ó Fionnagáin, Proinsias | Article in Journal | | 1993 |
| Convent of Mercy, 1861-2011, Longford [an illustrated history] | | Monograph or Collective Volume | St Joseph's Convent of Mercy | 2011 |
| Convent of Mercy, Longford : answering the call | Gilmurray, Immaculata | Article in Journal | | 2011 |
| Cor in aghaidh an Chaim: Míchéal Ó Síothcháin agus a chara Mícheál Ó hIceadha | Briody, Mícheál | Article in Journal | | 2014 |
| Corcomroe Abbey and the English Medieval Wool Trade | Mac Mahon, Michael | Article in Journal | | 2024 |
| Correspondence of Irish interest in the Lettere in Propaganda archives : vol. 38 (1657-64) | | Article in Journal | | 1990 |
| Correspondence of Irish interest in the Lettere in Propaganda archives : vols 27-34 (1649-64) | | Article in Journal | | 1988 |
| Cosslett Ó Cuinn | Ó Glaisne, Risteárd, 1927-2003 | Monograph or Collective Volume | Coiscéim | 1996 |
| Cosslett Quin, 1907-1995 | Murphy, Etain | Article in Journal | | 1996 |
| Count Ó Donel proposes a coadjutor for the see of Raphoe, 1777 | O'Donnell, Terence | Article in Journal | | 1954 |
| Countdown of violence : the Charlestown convent riot of 1834 | Bisson, Wilfred J. | Monograph or Collective Volume | Garland | 1989 |
| County Kilkenny priests in Newfoundland | Whelan, Kevin | Article in Journal | | 1986 |
| County Wexford and Savannah, Georgia, 1848-1860 : a compilation of records and articles of County Wexford emigrants to Savannah | Kehoe, Lory | Monograph or Collective Volume | The author | 2013? |
| County Wexford priests in Newfoundland | Whelan, Kevin | Article in Journal | | 1985 |
| Creating community : Mary Frances Clarke and her companions | Harrington, Ann M. | Monograph or Collective Volume | Mount Carmel Presss | 2004 |
| Croke of Cashel : the life of Archbishop Thomas William Croke, 1823-1902 | Tierney, Mark | Monograph or Collective Volume | Gill & Macmillan | 1976 |
| Cumann na Sagairt/Glór na mGael | Ó Mórcháin, Leon | Article in Book | | 1995 |
| Cumann na Sagart agus 1916 | Ó Fiannachta, Pádraig | Article in Journal | | 2016 |
| Cumhacht an tsagairt sa béaloideas | Ó Héalaí, Pádraig | Article in Book | | 1977 |
| DAB's visit to Roscommon town in 1808 | Siggins, Albert | Article in Journal | | 1998 |
| Dán agus tallann | McCone, Kim | Article in Book | | 1986 |
| Dán molta don Athair Uilliam Ó Fearaíola (1809-1878 | Ó hÓgáin, Éamonn | Article in Journal | | 2015 |
| Daniel Joseph O'Connell, S.J. (1896-1982) | O'Connell, Gerald | Article in Journal | | 1984 |
| Das Missionsvolk der Iren | Dillon, Myles | Article in Journal | | 1955 |
| Daughters of St Columban (ancient and modern) | Concannon, Helena | Article in Book | | 1951 |
| De Bello Becco : a French foundation in the Boyne Valley | Stout, Geraldine | Article in Journal | | 2018 |
| Dean Bryan McGurk, a hero of the penal days; with historical notes on his times and his native parish, Termonmagurk, Co. Tyrone | MacDonald, T. | Monograph or Collective Volume | Gill | 1948 |
| Dean of St Patrick's : a view from the letters | Holloway, John | Article in Book | | 1968 |
| Dean Terence O'Shaughnessy | Murphy, IgnatiusTierney, Mark | Article in Journal | | 1989 |
| Dean Thomas Donaghy | McShane, Michael | Article in Journal | | 2011 |
| Déiseach ag deireadh an domhain: Daniel Power (c.1790-1830 | Ó Broin, Gréagóir | Article in Journal | | 2015 |
| Déiseach ag deireadh an domhain: Daniel Power (c.1790-1830 | Ó Broin, Gréagóir | Article in Journal | | 2013 |
| Denis Maguire OFM, Bishop of Kilmore 1770-98 | Duffy, Francis | Article in Journal | | 1997 |
| Denunciation of Antonio de Patricio [Anthony Fitzpatrick], O.P., to the Lisbon Inquisition (1699) | O’Connor, Thomas
| Article in Journal | | 2022 |
| Derry clergy and parishes : being an account of the clergy of the Church of Ireland in the Diocese of Derry, from the earliest period : with historical notices of the several parishes, churches, etc | Leslie, J. B. (James Blennerhassett) | Monograph or Collective Volume | Printed for the author at the 'Fermanagh Times' Office by R.H. Ritchie | 1937 |
| Derry clergy list of 1631 | Ó Doibhlin, Ciarán | Article in Journal | | 1980 |
| Desmond Bailie | Holmes, Finlay | Article in Book | | 2006 |
| Developing an agenda for the history of women religious in Ireland: historiography and potentiality | Raftery, Deirdre
| Article in Journal | | 2022 |
| Devotional writings of the Irish Franciscans 1224-1950 | Mooney, Canice | Monograph or Collective Volume | Four Masters | 1952 |
| Dhá athchuinge as Achaidh Chonaire | Mac Fhinn, Pádraig Eric, 1895-1987 | Article in Journal | | 1961 |
| Diary of Very Rev. Richard Canon Smiddy | Forde, Robert | Article in Journal | | 1989 |
| Dicuill on the islands of the north | Howlett, David | Article in Journal | | 1999 |
| Die Beneiktiner-Abtei Amorbach | Kengel, Rainer | Article in Book | | 1952 |
| Die Irisch-schottische mission | Zagiba, Franz | Article in Journal | | 1957 |
| Difficulties on all sides : the Irish Columban missionary who met Mao Tse-tung | Collins, Neil | Article in Book | | 2015 |
| Dílseacht don chreideamh ag Éireannaigh i bhFrainc an 18ú haois | Ó hAnnracháin, Eoghan | Article in Journal | | 2007 |
| Diocesan clerical life in Florida | McNally, Michael J. | Article in Journal | | 1995 |
| Diocese of Killaloe. Vol. 3 : 1851-1904 | Murphy, Ignatius | Monograph or Collective Volume | Four Courts | 1995 |
| Diocese of Kilmore : it's [sic] bishops and priests, 1136-1988 | MacKiernan, Francis J. | Monograph or Collective Volume | Breifne Historical Society | 1989 |
| Directory of the Catholic clergy of the diocese of Cloyne & Ross, 1836-1893 : including available obituary lists | | Monograph or Collective Volume | B. Troy | 1994 |
| Discovering Irish nuns in the nineteenth-century United States : the case of Chicago | Hoy, Suellen | Article in Book | | 2005 |
| Divine right? : the Parnell split in Meath | Lawlor, David | Monograph or Collective Volume | Cork University Press | 2007 |
| Documents and correspondence concerning and from James Foran, Irish priest and chaplain in the Falkland Islands 1876-86 | Walsh, Edward | Article in Journal | | 2005 |
| Documents from the State Papers concerning Miles McGrath | | Article in Journal | | 1958 |
| Documents of the Irish Franciscan college at Prague | Jennings, Brendan | Article in Journal | | 1942 |
| Documents relating to the Irish College at Lille, 1634-c.1647 | | Article in Journal | | 2014 |
| Dom Columba Marmion, 1858-1923 | O'Dea, Bernard | Article in Journal | | 1958 |
| Dom. John Sweetman | Gray-Stack, C. M. | Article in Journal | | 1978 |
| Dominic O'Daly : an Irish diplomat | Mac Curtain, Benvenuta | Article in Journal | | 1965 |
| Dominican chaplains of the Irish Brigade | Butler, Gregory M. | Article in Journal | | 1947 |
| Dominican chaplains of the Irish Brigade | Butler, Gregory M. | Article in Journal | | 1946 |
| Dominican education in Ireland 1820-1930 | Kealy, Máire M. | Thesis | | |
| Dominican education in Ireland, 1820-1930 | Kealy, Máire M. | Monograph or Collective Volume | Irish Academic Press | 2007 |
| 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 |
| Dominicans serving in Dublin parishes | Taheny, L. | Article in Journal | | 1962 |
| Dominick Bellew, 1745-1813 : parish priest of Dundalk and bishop of Killala | Hoban, Brendan | Article in Journal | | 1972 |
| Donal Breen, Dean of Ferns (1588-1655) | Corish, Patrick J. | Article in Book | | 2007 |
| Dónall Ó Tuathail sagart na ráilte, 1880-1922 | Mac Giolla Domhnaigh, Gearóid | Article in Journal | | 1994 |
| Donegal priests in Scotland, 1829-1979 | Canning, B. J. (Bernard J.) | Article in Journal | | 1983 |
| Donnchadh Ó Maonaigh: De provincia Hiberniae S. Francisci (1617) | Mac Craith, Mícheál | Article in Book | | 2018 |
| Douai College documents, 1639-1794 | | Monograph or Collective Volume | Catholic Record Society | 1972 |
| Dr Hugh Quigley, Tulla, scholar, priest, patriot | Culloo, Brian | Article in Journal | | 1995 |
| Dr Patrick McSwiney : president of the Irish College, Paris | Henchion, Richard | Article in Journal | | 1999 |
| Dr Patrick Murray, 1811-1882 | Kerr, Donal A. | Article in Journal | | 1982 |
| Dr Russell and Newman's conversion | Tristram, Henry | Article in Journal | | 1945 |
| Dr Terence P. Cunningham. (Obituary) | Mac An Ghallóglaigh, Domhnall | Article in Journal | | 1986 |
| Dr. Callan of Maynooth | McLaughlin, P. J. | Article in Journal | | 1936 |
| Dr. Henry Montgomery, 1788-1865 - man of courage | McMillan, William | Article in Journal | | 1976 |
| Dr. James Donnelly, P.P. of Roslea (1857-65) | Mulligan, Patrick | Article in Journal | | 1983 |
| Dr. Richard Henebry | Stockley, Germaine | Article in Journal | | 1946 |
| Drominidy woman sentenced to death | McCarthy, Con | Article in Journal | | 2004 |
| Drumlion Church | Keenehan, John | Article in Book | | 2006 |
| Dublin Diocesan Archives : Hamilton Papers (7) | Purcell, Mary | Article in Journal | | 1996 |
| Dublin Diocesan Archives : Hamilton Papers (8) | Purcell, Mary | Article in Journal | | 1997 |
| Dublin diocesan archives : Murray papers (3) | Purcell, Mary | Article in Journal | | 1983 |
| Dublin diocesan archives : Murray Papers (6) | Purcell, MarySheehy, David C. | Article in Journal | | 1986 |
| Dublin priests at Charleston, South Carolina, in the eighteenth century | Madden, Richard C. | Article in Journal | | 1964 |
| Dublin to Boston, 1719 | Hunter, R. J. (Robert J.) | Article in Journal | | 1971 |
| Dublin's turbulent priest : Cornelius Nary, 1658-1738 | Fagan, Patrick, 1922-2011 | Monograph or Collective Volume | Royal Irish Academy | 1991 |
| Dundalk rector's son's recollections, 1854 | Anonymous | Article in Journal | | 1939 |
| Dunleckney vicarage underr challenge in 1486 | O'Brien, Niall | Article in Journal | | 2017 |
| Durrow review : a jubilee review to celebrate the Presentation Sisters' 50 years at Castledurrow in Laois | Anonymous | Monograph or Collective Volume | Presentation Sisters | 1981 |
| Dying with a priest | Taylor, Lawrence | Article in Book | | 2016 |
| Early Irish priests within their own localities | Swift, Catherine | Article in Book | | 2011 |
| Early parish priests of Lower Creggan | McShane, Michael | Article in Journal | | 2004 |
| Easpag agus sagart ag treabhadh an ghoirt chéanna | Ó Ceallaigh, Áíne | Article in Journal | | 2014 |
| Eaten bread | McGillicuddy, Con | Monograph or Collective Volume | Choice Publishing | 2007 |
| Ecclesiastical law and the Reformation in Ireland | Osborough, W. N. (William Nial) | Article in Book | | 1992 |
| Ecclesiastical Politics and the Counter-Reformation in Ireland, 1618-48 | Kearney, H. F. | Article in Journal | | 1960 |
| Edmund Campion | Waugh, Evelyn | Monograph or Collective Volume | Longmans | 1961 |
| Edmund Ignatius Rice and Theobald Mathew, O.F.M. Cap. | Augustine,OFM | Monograph or Collective Volume | Browne and Nolan | 1944 |
| Edmund Rice : founder of the Christian Brothers, Presentation Brothers and Presentation Sisters | Brennan, Damien,Gillen, MalachyLynch, Philip P., | Article in Book | | 2010 |
| Edmund Rice and the first Christian Brothers | Keogh, Dáire | Monograph or Collective Volume | Four Courts | 2008 |
| Educating the poor : the Presentation Sisters and education in Limerick, 1837-1870 | Coonerty, Paula | Article in Journal | | 1991 |
| Edward Gibbon and clerical scholarship | Pocock, John Greville Agard, 1924- | Article in Book | | 2004 |
| Edward Hincks (1792-1866) : a biographical essay | Cathcart, Kevin J. | Article in Book | | 1994 |
| Edward Maginn : a bishop for all seasons | Beattie, Sean | Article in Journal | | 1996 |
| El Proyecto MacNamara : the maverick Irish priest and the race to seize California, 1844-1846 | Fox, John | Monograph or Collective Volume | Merrion | 2014 |
| Embodied ideals and realities : Irish nuns and Irish womanhood, 1930s-1960s | McKenna, Yvonne | Article in Journal | | 2006 |
| Emigrant Irish secular priests in America | Smith, William L. | Article in Journal | | 2000 |
| Encyclopedia Americana, 15 | Anonymous | Monograph or Collective Volume | Americana Corporation | 1937 |
| Enforcing the Elizabethan settlement : the vicissitudes of Hugh Brady, bishop of Meath, 1563-84 | Walshe, H. C. | Article in Journal | | 1989 |
| English and Irish Women Religious at Home and Abroad, c.1530-c.1640 | Bowden, CarolineMcShane, Bronagh | Article in Book | | 2023 |
| English Monks and Irish Reform in the Eleventh and Twelfth centuries | Bethell, Denis L. T. | Article in Book | | 1971 |
| Entering Religious Life, Claiming Subjectivity : Irish nuns, 1930s-1960s | McKenna, Yvonne | Article in Journal | | 2006 |
| Entre Castigo y asimilación : los irlandeses y la Inquisición espanola (1580-1750) | O'Connor, Thomas | Article in Book | | 2014 |
| Eoghan Ó hAirt, 1562-1603 | Ó Claidhimh, Liam | Article in Journal | | 1961 |
| Episcopal comments on the Decreta pro recto regimine ecclesiarum hiberniae, 1635-36 | | Article in Journal | | 1964 |
| Episcopal edicts of the Diocese of Ossory in the eighteenth century, I : the edicts of Thomas Burke (1709-1776). | Ó Fearghail, Fearghus | Article in Journal | | 2006 |
| Euseby Cleaver, bishop of Ferns, and the clergy of the Church of Ireland in the 1798 rising in Co. Wexford | Comerford, Patrick | Article in Journal | | 1996 |
| Evangelising the faithful : Edmund Rice and the reformation of nineteenth-century Irish Catholicism | Keogh, Dáire | Article in Book | Columba | 2012 |
| Excavation in the time of Coronavirus | Stout, GeraldineStout, Matthew | Article in Journal | | 2020 |
| Excommunication at a Meath threshing | McCabe, Brian | Article in Journal | | 2017 |
| Extending the grand tour : Dr Pococke's travels, 1737-41 | McCarthy, Michael | Article in Book | Four Courts | 2012 |
| Extracts from Meath priests' wills 1658-1782 | Rice, Gerard | Article in Journal | | 1967 |
| Extracts from Roman Catholic clergy lists, 1704 to 1800 | Flatman, Richard | Article in Journal | | 2009 |
| Extracts from the diaries of Rev. James Wilson, Presbyterian minister of Magherafelt from 1813-1854 | | Article in Journal | | 1981 |
| Extracts from the diaries of Rev. James Wilson, Presbyterian minister of Magherafelt from 1813-1854 | | Article in Journal | | 1982 |
| Extracts from the diary of Reverend John Nixon | | Article in Journal | | 1994 |
| Eyewitness, Grosse Isle, 1847 | Dompierre, Rose MassonO'Gallagher, Marianna | Monograph or Collective Volume | Livres Carraig books | 1995 |
| 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 |
| Fasti of seceder, ministers ordained or installed in Ireland 1746-1948 | Bailie, W. D.Kirkpatrick, L. S. | Monograph or Collective Volume | Presbyterian Historical Society of Ireland | 2005 |
| Fasti of St. John's priory, Ardee | Mac Íomhair, Diarmuid | Article in Journal | | 1973 |
| Fasti of the Irish Presbyterian Church revised by S.G. McConnell | McConnell, James | Article in Journal | | 1937 |
| Fat god, thin god | Kennedy, James | Monograph or Collective Volume | Mercier Press | 2002 |
| Father Anthony Cogan | Brady, John, d.1963 | Article in Journal | | 1952 |
| Father Bernard Donnelly - a pioneer in Kansas City | Duffy, V. | Article in Journal | | 1978 |
| Father Bernard's register and the Irish militia in Essex | Quinlivan, Patrick | Article in Journal | | 1973 |
| Father Browne : a life in pictures | O'Donnell, E. E. | Monograph or Collective Volume | Wolfhound Press | 1994 |
| Father Browne : Jesuit and photographer extraordinaire | Cullen, C. | Article in Journal | | 2004 |
| Father Browne's Dublin photographs, 1925-50 | O'Donnell, E. E. | Monograph or Collective Volume | Wolfhound Press | 1993 |
| Father Browne's First World War | O'Donnell, Edward E., SJ | Monograph or Collective Volume | Messenger Publications | 2014 |
| Father Charles of Mount Argus | Christopher, Fr. | Monograph or Collective Volume | Gill | 1955 |
| Father Christopher Hollywood, S.J. 1559-1626 | Corboy, James | Article in Journal | | 1944 |
| Father David Fitzgerald | French, Johnny | Article in Journal | | 2010 |
| Father David Galwey, SJ (1579-1634) | Corboy, James | Article in Journal | | 1944 |
| Father Edmond Deane (1647-1717) | McGovern, Patrick | Article in Journal | | 1959 |
| Father Edward Francis Pigot, S. J. | O'Connell, D. J. K. | Article in Journal | | 1952 |
| Father Francis Nugent, founder of the Irish Capuchins | Bieler, Ludwig | Article in Journal | | 1948 |
| Father Gentili : priest and missionary | MacHugh, James | Monograph or Collective Volume | Clonmore & Reynolds | 1958 |
| Father Gentili, 1801-48 | Gwynn, D. R. (Denis Rolleston), 1893-1972 | Article in Journal | | 1948 |
| Father Hand (1807-46) | Purcell, W. E. | Article in Journal | | 1942 |
| Father Henry Fitzsimon, S. J., 1566-1643 | Corboy, James | Article in Journal | | 1943 |
| Father James Archer, S. J., 1550-1625(?) | Corboy, James | Article in Journal | | 1944 |
| Father James Coigley | Ó Muirí, Réamonn | Article in Book | | 1997 |
| Father James Coombes [Obituary] | Walsh, Pat | Article in Journal | | 2000 |
| Father James Croke : pastor, mountain man, fund raiser, extraordinary | Rohrbacher, Frances A. | Article in Journal | | 2003 |
| Father James Cullen, S. J. (1841-1941) | Gallagher, Leonard | Article in Journal | | 1942 |
| Father James Dixon and the 1798 Wexford rising | Waldersee, James | Article in Journal | | 1970 |
| Father James Keelan | Brady, John, d.1963 | Article in Journal | | 1958 |
| Father James Quigley : priest of Armagh and United Irishman | McEvoy, Brendan | Article in Journal | | 1970 |
| Father Jeremiah J. Callaghan : Butte's first Irish priest | Prodgers, Jeanette | Article in Journal | | 1984 |
| Father Jeremiah O'Callaghan, a man of principle, opponent of the Gombeen Men | Hyland, C. P. (Cal) | Article in Journal | | 1999 |
| Father Jeremiah O'Callaghan, a man of principle, opponent of the Gombeen men | Hyland, C. P. (Cal) | Article in Journal | | 1999 |
| Father John Austin, S. J. (1717-1784) | Rahilly, Alfred | Article in Journal | | 1939 |
| Father John Boland, P.P. Kilconly (1782-1835) | O'Callaghan, Jim | Article in Journal | | 2013 |
| Father John Christopher Drumgoole | Ó Finn, Michael | Article in Journal | | 1971 |
| Father John Creagh in the Kimberleys | Boland, S. J. | Article in Journal | | 1988 |
| Father John Gowan: 1817-1897. A short account of his life and works | Mansfield, J. de V. | Article in Journal | | 1995 |
| Father John Hayes, founder of Muintir na Tire, 'People of the Land' | Rynne, Stephen | Monograph or Collective Volume | Clonmore & Reynolds|Burns & Oates | 1960 |
| Father John Hennessy, P.P. : 'Protestant priest' | Hyland, Cecil | Article in Journal | | 1988 |
| Father John MacEnery : scientist or charlatan? | Alexander, E. M. M.Wilker, H. H. | Article in Journal | | 1964 |
| Father John Murphy : famine priest | Reilly, A. J. | Monograph or Collective Volume | Clonmore & Reynolds | 1963 |
| Father John Spratt : beloved of Dublin's poor | O'Dwyer, Peter | Monograph or Collective Volume | Carmelite Publications | 1972 |
| Father John Sullivan, S. J. | MacGrath, Fergal | Monograph or Collective Volume | Longmans | 1952 |
| Father John Thayer of New England | Purcell, Richard J. | Article in Journal | | 1942 |
| Father Joseph Darlington, S. J., 1850-1939 | Howley, John | Article in Journal | | 1939 |
| Father Kennedy : patriot priest of Boolavogue | Kennedy, Patrick | Monograph or Collective Volume | Veritas | 1988 |
| Father Larry Murray | Mac An tSagairt, Liam | Monograph or Collective Volume | Eigse Oirialla | 1983 |
| Father Luke Wadding's work for the education of the Irish clergy | Cleary, Gregory | Article in Book | | 1937 |
| Father Manus Sweeney (1763-1799) | Mulloy, Sheila | Article in Journal | | 1994 |
| Father Mathew : a biography | Maguire, J. F.Rogers, Patrick | Article in Journal | | 1939 |
| Father Mathew : apostle of modernisation | Kearney, H. F. | Article in Book | | 1979 |
| Father Mathew : apostle of temperance in south west Clare | Murphy, Ignatius | Article in Journal | | 1985 |
| Father Mathew in Ardmore | Kerrigan, Colm | Article in Journal | | 1992 |
| Father Mathew in Cork : gleanings from J. F. Maguire's Father Mathew | Walsh, T. J. | Article in Journal | | 1957 |
| Father Mathew in Limerick | Kerrigan, Colm | Article in Journal | | 1985 |
| Father Mathew's family : the Mathews in Tipperary | Mathew, David | Article in Journal | | 1957 |
| Father Matthew through German eyes | Hennig, J. | Article in Journal | | 1946 |
| Father McDonnell's visit to Derrynane in 1833 | Ó Súilleabháin, Pádraig | Article in Journal | | 1973 |
| Father McDyer of Glencolmcille : an autobiography | McDyer, James | Monograph or Collective Volume | Brandon | 1982 |
| Father Michael Comyn : parish priest of Kilkee and Doonbeg, 1798-1854 | Murphy, Ignatius | Article in Journal | | 1986 |
| Father Michael Conway in Kilfian parish 1826-1839 | MacHale, E. | Article in Journal | | 1993 |
| Father Michael Maher | Ellis, William | Article in Journal | | 1988 |
| Father Michael Muldoon | Clarke, Mary Whatley | Article in Journal | | 1971 |
| Father Michael O'Flanagan | Moran, May | Article in Book | | 2018 |
| Father Nicholas Kearns and state prisoners | Meagher, John | Article in Journal | | 1955 |
| Father Nicholas Sheehy (c.1728-1766) | Power, Thomas P. | Article in Book | | 1998 |
| Father Nicholas Sheehy, P.P., Clogheen | Murphy, Thomas A. | Article in Book | | 1993 |
| Father Nicholas Sheehy, P.P., Clogheen | Murphy, Thomas A. | Article in Book | | 1950 |
| Father Nugent of Liverpool | Bennet, John | Monograph or Collective Volume | [s.n.] | 1949 |
| Father O Finachty's miracles | Faulkner, Anselm | Article in Journal | | 1965 |
| Father Pat Walsh: At the threshold of a new beginning | Keohane, DeeKeohane, Mike | Article in Journal | | 2009 |
| Father Patrick Lavelle : the rise and fall of an Irish nationalist, 1825-1886, a radical priest in Mayo | Moran, Gerard | Monograph or Collective Volume | Four Courts | 1994 |
| Father Patrick Peyton CSC and family prayer | Gribble, Richard | Article in Book | | 2013 |
| Father Paul O'Sullivan OP, EDM (1871-1958) | Casey, Thomas | Article in Book | | 2015 |
| Father Paul Sherlock, S. J. (1595-1646) | Kelly, K. | Article in Journal | | 1976 |
| Father Paul Wadding, S. J. : chancellor of the university of Prague, 1629-1641 | O'Dea, Paul | Article in Journal | | 1941 |
| Father Paul Walsh (19th June 1885 - 18th June, 1941) | Ó Lochlainn, Colm, 1892-1972 | Article in Journal | | 1943 |
| Father Paul Walsh : the scholar | Shaw, Francis | Article in Journal | | 1941 |
| Father Paul Walsh, D.Litt | Brady, John, d.1963 | Article in Journal | | 1941 |
| Father Peter C. Yorke : Irish-American leader | Foley, Timothy P. (Tadhg)Walsh, James P. | Article in Journal | | 1974 |
| Father Peter Daly (c. 1788-1868) | Mitchell, James | Article in Journal | | 1983 |
| Father Theobald Mathew | Mathew, David | Article in Journal | | 1957 |
| Father Theobald Mathew | Brendan, Fr. | Article in Journal | | 1944 |
| Father Theobald Mathew | Lucey, Cornelius | Article in Journal | | 1956 |
| Father Theobald Mathew (1790-1856) | Fintan, Fr. | Article in Journal | | 1940 |
| Father Theobald Mathew : apostle of temperance | Rogers, Patrick | Monograph or Collective Volume | Browne and Nolan | 1943 |
| Father Theobald Mathew, apostle of temperance | Lysaght, Moira | Article in Journal | | 1983 |
| Father Theobald Mathew, O. M. Cap. : a centenary memoir | Rogers, Patrick | Article in Journal | | 1937 |
| Father Theobald Mathew, O.M. Cap., as seen by his contemporaries | | Article in Journal | | 1940 |
| Father Theobald Mathew, O.M.Cap. - a centenary memoir | Rogers, Patrick | Article in Journal | | 1938 |
| Father Thomas A. Finlay, S. J., 1848-1940 | O'Brien, George, 1892-1973 | Article in Journal | | 1940 |
| Father Thomas Hore and Wexford, Iowa | Schmitz, Kenneth P. | Article in Journal | | 1975 |
| Father Thomas Stanislaus Power CM, CF : a Vincentian with the ANZAC in World War I | Hagerty, James | Article in Book | | 2015 |
| Father Tim | McAuliffe, Harold J. | Monograph or Collective Volume | Bruce Publishing Co. | 1944 |
| Father Timity McCarthy : parish priest and patriot of Kilmeen Castleventry Parish, Co. Cork | O'Leary, Daniel, 1961- | Monograph or Collective Volume | Daniel O'Leary | 2006 |
| Father Tom - the Land League priest | De Vál, Seamus S. | Article in Journal | | 1978 |
| Father Tom : an authorised portrait of Cardinal Tomás Ó Fiaich | Fitzgerald, B. | Monograph or Collective Volume | Fount | 1990 |
| Father Tom Burke, O.P., 1830-1883 | Taheny, Luke J. | Article in Book | | 1991 |
| Father Tom Finlay | O'Brien, George, 1892-1973 | Article in Journal | | 1940 |
| Father Tom Maguire : polemicist, popular preacher and patriot, 1792-1847 | McGovern, Raymond | Article in Journal | | 1971 |
| Father Tom Maguire and the Clare election | Brady, Patrick | Article in Journal | | 1958 |
| Father Vincent McNabb, O. P. | Delany, Bernard | Article in Journal | | 1943 |
| Father William Barry : priest and novelist | Gilley, Sheridan | Article in Journal | | 1998 |
| Father William Phelan : an Irish trouble-maker in Arichat | Wagg, Phyllis C. | Article in Journal | | 1986 |
| Father Yorke and the San Francisco waterfront, 1901-1916 | Sarbaugh, Timothy J. | Article in Journal | | 1981 |
| Father Yorke on Father O'Growney | Yorke, Peter | Article in Journal | | 1964 |
| Fear an leabhair : Pádraig Ó Fiannachta | Ó Héalaí, Pádraig | Article in Book | Roinn na Sean-Gaeilge, Coláiste Phádraig, Maigh Nuad | 1994 |
| Feartlaoithe (Elegies) Dean Herbert Cassidy (1935-2013) | Batchelor, John | Article in Journal | | 2013 |
| Female trouble : ambivalences and anxiety at the Nuns' church | Overbey, Karen Eileen | Article in Book | | 2008 |
| Ferns clergy and parishes : being an account of the clergy of the Church of Ireland in the Diocese of Ferns, from the earliest period, with historical notices of the several parishes, churches, etc | Leslie, J. B. (James Blennerhassett) | Monograph or Collective Volume | Printed for the Author by the Church of Ireland Printing and Publishing Co. | 1936 |
| Few, uncooperative, and endangered: the activity of the Irish Catholic priests in the West Indies of the seventeenth century, 1638-1668 | Binasco, Matteo | Article in Book | | 2010 |
| Filí agus cléir san ochtú haois déag | Heussaff, Anna | Monograph or Collective Volume | An Clóchomhar | 1992 |
| First rector of the Catholic University of America | Canning, B. J. (Bernard J.) | Article in Journal | | 1984 |
| Florence Nightingale and the nuns | Stockley, W. F. P. | Article in Journal | | 1940 |
| For parliament Malachy : Malachy Duggan, parish priest of Moyarta and Kilballyowen, c.1780-1849 | Murphy, Ignatius | Article in Journal | | 1986 |
| Forgotten by history : the life and times of John Lanigan, D.D., D.C.L., D.S.S., priest, professor and historian | Feehan, James A. | Article in Journal | | 2005 |
| Forgotten migrants : Irish women religious in England, 1930s-1960s | McKenna, Yvonne | Article in Journal | | 2003 |
| Formed by word and example : the training of novices in fourteenth-century Dublin | Ó Clabaigh, Colmán | Article in Book | | 2018 |
| Foundation of the convent of the Sacred Heart, Schull | Gabrielle, Sr. | Article in Journal | | 2002 |
| Foundation story of the Presentation Sisters, Attenry | Anonymous | Article in Journal | | 1999 |
| Fr Arthur O'Leary : a Capuchin of Blackamoor Lane | Walsh, T. J. | Article in Journal | | 1948 |
| Fr Bernard Murphy of Termonmagurk, 1832-97 | Bradley, John, Rev. | Article in Journal | | 1988 |
| Fr Browne, SJ, photographer | Myers, Kevin | Article in Journal | | 1994 |
| Fr Dan O'Mahony SDB : a profile | Hynes, Noel | Article in Book | | 2016 |
| Fr Daniel Roche, SJ | Morrissey, Thomas J. | Article in Book | | 2014 |
| Fr David Humphreys and new Tipperary | Marnane, Denis G. | Article in Book | | 1985 |
| Fr Ferris's parish histories : Ballymacelligott, Ballyseedy, O'Brennan and Nohaval | Ferris, William | Monograph or Collective Volume | Red Hen Publishing | 2018 |
| Fr Francis Smyth of 19th century Dalkey | Clarke, Liam | Article in Journal | | 2006 |
| Fr Frank Browne, SJ | O'Donnell, Edward E., SJ | Article in Book | | 2014 |
| Fr Harry Bohan pays tribute to his friend Fr. Tony King on his 40th anniversary as a priest | Bohan, Harry | Article in Journal | | 2003 |
| Fr Henry Gill, SJ | Carwsell, Simon | Article in Book | | 2014 |
| Fr James Augustine Anderson, 1838-1903 | O'Donovan, Iggy | Article in Book | | 2023 |
| Fr James Cullen, Founder of the Pioneer Total Abstinence Association | McDarby, John | Article in Journal | | 2016 |
| Fr Jeremiah Hartigan, SJ | McGuckian, Michael, SJ | Article in Book | | 2014 |
| Fr Joe Harrington SDB : a note | Gibbons, Jimmy | Article in Book | | 2016 |
| Fr John Conmee : a portrait of the rector | Murray, Patrick | Article in Journal | | 1985 |
| Fr John Delaney, SJ | Morrissey, Thomas J. | Article in Book | | 2014 |
| Fr John F. Greene (1904-1973 PP Clonbroney | MacNerney, James P. | Article in Journal | | 2007 |
| Fr John Fahy (1893-1969) : radical republican and agrarian activist | Madden, Jim | Monograph or Collective Volume | Columba | 2012 |
| Fr John Farrelly, doctor of the Sorbonne (1657-1736) | Swords, Liam | Article in Journal | | 1998 |
| Fr John Fitzgibbon, SJ | Bellis, Steve | Article in Book | | 2014 |
| Fr John Gwynn, SJ | Andrews, Paul, SJ | Article in Book | | 2014 |
| Fr John Hassan : a forgotten poet | Hasson, Seamus | Article in Journal | | 1988 |
| Fr John Mackey: a Miracle Working Priest from Castleiney, Templemore, Co. Tipperary; a Note | O'Regan, Donal J. | Article in Journal | | 2024 |
| Fr John Martin : an Augustinian friar and the Irish rebellion of 1798 | Keogh, Dáire | Article in Journal | | 1988 |
| Fr John Murphy (Boolavogue) monument | Keogh, John | Article in Journal | | 1986 |
| Fr John Power - fact and folklore | Daly, Eugene | Article in Journal | | 2003 |
| Fr John Waldron, Chicago, U.S.A. | | Article in Journal | | 1996 |
| Fr Patrick Lavelle : the rise and fall of an Irish nationalist, 1825-1886 | Moran, Gerard | Thesis | | |
| Fr Patrick McCabe | O'Reilly, Peggy | Article in Journal | | 2000 |
| Fr Patrick Morris, SJ | Duffy, Hugh P., SJ | Article in Book | | 2014 |
| Fr Patrick O'Mara, SJ | O'Connell, Liam, SJ | Article in Book | | 2014 |
| Fr Patrick Smyth, peacemaker at Eureka | McDonnell, Thomas | Article in Journal | | 1985 |
| Fr Paul Browne, O.D.C., 1598-1671 | Mansfield, Brocard | Article in Journal | | 1984 |
| Fr Robert O'Keeffe, parish priest, and the Callan controversy 1869-81 | Hogan, Patrick | Article in Book | | 1990 |
| Fr Thomas Gogarty 1877-1949 local historian and noted antiquarian | Murphy, Donald | Article in Journal | | 1992 |
| Fr Tom Kenny SDB : an appreciation | Fitzgerald, Liam | Article in Book | | 2016 |
| Fr Tom McGrath PP VF | O'Sullivan, Mary | Article in Journal | | 2006 |
| Fr Willie (Bill) Devine | Mullan, Desmond | Article in Journal | | 1988 |
| Fr Willie (Bill) Devine | Mullan, Desmond | Article in Journal | | 1987 |
| Fr Willie Doyle, SJ | McGuckian, Bernard J., SJ | Article in Book | | 2014 |
| Fr. Anthony Fahy OP | Fahy, Michael | Article in Book | | 2003 |
| Fr. Benignus Millett, OFM, 1922-2006 | Corish, Patrick J. | Article in Journal | | 2006 |
| Fr. Daniel McSwiney, 1797-1845 : a Famine victim | Walsh, Christy | Article in Journal | | 1998 |
| Fr. Gowan and the Congregation of the Holy Faith | Bugler, M. Theodore | Article in Book | | 1997 |
| Fr. Griffin, 1892-1920 | Ó Laoi, Pádraic | Monograph or Collective Volume | The author | 1994 |
| Fr. John Casey, antiquarian | MacMahon, Bryan | Article in Book | | 2012 |
| Fr. John Crowley : padre of the desert | O'Sullivan, Donal J. | Article in Journal | | 2001 |
| Fr. John Gowan and the Vincentians | McCormack, Jim | Article in Book | | 1997 |
| Fr. John Smyth, O.M.I. | McDonnell, Annette | Article in Journal | | 2012 |
| Fr. John Sullivan S.J. | Forde, Robert | Article in Journal | | 2000 |
| Fr. Kennedy and the Meelin cavalry | Brosnan, John Joe | Article in Journal | | 1984 |
| Fr. Lennon and the Tenant League | Gourd, Len | Article in Journal | | 2006 |
| Fr. Manus Sweeney - a story of 1798 | McNamara, Irene Patten | Article in Journal | | 1998 |
| Fr. McDyer of Glencolumbkille | McDyer, James | Monograph or Collective Volume | Brandon | 1984 |
| Fr. Michael O'Flanagan, 1876-1942 : a priest for the people | Carroll, Denis | Article in Journal | | 1992 |
| Fr. Mogue Kearns (a rebel priest in 1798) | Kavanagh, Myles | Article in Journal | | 1997 |
| Fr. Mullen - Carlow's worthy clergyman | Anonymous | Article in Journal | | 2000 |
| Fr. Owen (Eugene) McCarthy, 1822-1857 | MacMahon, Bryan | Article in Book | | 2012 |
| Fr. Patrick Walsh - the republican priest | Williams, Tom | Article in Journal | | 2001 |
| Fr. Theobald Mathew, O.F.M. Cap. : the apostle of temperance | Lysaght, Moira | Monograph or Collective Volume | Four Courts | 1983 |
| Fr. William O'Donnell - 'the Waterloo priest' | Anonymous | Article in Journal | | 1993 |
| Fragmenta Rapotensiana : contributions towards a diocesan dictionary | Ó Canann, Tomás G. | Article in Journal | | 1996 |
| Fragments of a life | Rafferty, Kevin, 1936- | Monograph or Collective Volume | Columba | 2009 |
| Francis Kincaid (1812-1847) : curate of the Established Church, Ballina | Hoban, Brendan | Article in Book | | 2024 |
| Francis Warde, foundress of the American Sisters of Mercy | Burns, Alexander | Article in Journal | | 1983 |
| Franciscans and the Power of Fish in Seventeenth-Century
Ireland | McCafferty, John | Article in Book | Royal Irish Academy | 2024 |
| 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 |
| Freedom and the fifth commandment. Catholic priests and political violence in Ireland, 1919-21 | Heffernan, Brian | Monograph or Collective Volume | Manchester University Press | 2014 |
| Friable transnationalism : the question of the South African Gandhi and the Irish Nivedita | Boehmer, Elleke | Article in Book | | 2006 |
| From Carrickbeg to Rome - the story of Fr Michael Hickey | Briody, Mícheál | Article in Journal | | 2001 |
| From Cloughjordan to Seattle | Skehan, Martin | Article in Journal | | 2001 |
| 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 Dublin to Botany Bay : experiences of Fr James Harold, a convict priest | Mulryan-Moloney, Maeve | Article in Book | | 2007 |
| From Dublin to New Orleans : Nora and Alice's journey to America 1889 | Hoy, SuellenMac Curtain, Margaret | Monograph or Collective Volume | Attic Press | 1994 |
| From ecumenism to community relations : inter-church relationships in Northern Ireland, 1980-2005 | Power, Maria | Monograph or Collective Volume | Irish Academic Press | 2007 |
| From hunting field to cloister | Gwynn, M. M. Xavier | Monograph or Collective Volume | Clonmore & Reynolds | 1946 |
| From Killymuck to Scranton : Felix McGuckin, emigrant, soldier and priest | McGuckin, J. H. | Article in Journal | | 1982 |
| From Killymuck to Scranton : Felix McGurkin, emigrant, soldier and priest | McGurkin, J. H. | Article in Journal | | 1982 |
| From paradise to prairie : the Presentation Sisters in Dakota, 1880-1896 | Peterson, Susan | Article in Journal | | 1980 |
| From rejection to integration : a centenary of service of Daughters of Charity to persons with a mental handicap | Robins, Joseph | Monograph or Collective Volume | Gill & Macmillan | 1992 |
| From the bog to the bishop, 12,000 B.C.-2005 A.D. : Mahoonagh's religions bound together by their shared history | Doody-Scully, Margaret | Monograph or Collective Volume | The author | 2005 |
| From Westmeath to Peru Full Circle : Memoirs of a Westmeath missionary in Sicuani, Cuzco | Kelleher, Desmond | Article in Journal | | 2006 |
| Frühes fränkisches christentum am Mittelrhein | Büttner, Heinrich | Article in Journal | | 1951 |
| Gailliceánach as Ail Finn : an Dr Cathal Ó Conchúir | Mag Riabhaigh, Seán | Article in Journal | | 1996 |
| Gall mór mo linne (2) - An tÁrd-Deochan Mac Giolla Chearra | Ó Dochartaigh, Gearalt | Article in Journal | | 1995 |
| Gall Mór mo linne - an tAthair Peadar Mac Loinsigh | Ó Dochartaigh, Gearalt | Article in Journal | | 1994 |
| Galway Dominican nuns : a chronology, 1644-1988 | Anonymous | Article in Book | | 1991 |
| Gentlemen-bishops and faction fighters : additional letters pertaining to Newfoundland catholicism, from the Franciscan library at Killiney, Ireland | Rollmann, Hans | Article in Journal | | 1988 |
| 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 |
| Geoffrey Keating (c. 1580-1644), the preacher | Cunningham, Bernadette | Article in Book | | 2013 |
| Geoffrey Keating - Seathrún Céitinn : Tipperary priest and scholar, 1570-1649 | Olden, Michael | Article in Book | | 1993 |
| George A. Birmingham | Gibbons, John | Article in Journal | | 1982 |
| George A. Birmingham in the Gaelic League: the stepping-stone to a universally appealing novelist | | Article in Journal | | 2013 |
| George A. Birmingham, 'General John Regan' - a hearty wish for reconcilliation between every human being | Yahata, Masahiko | Article in Journal | | 2012 |
| George Moore and the vicar of Leixlip | Hone, Joseph Maunsell, 1882-1959 | Article in Journal | | 1943 |
| George Taylor's experiences in the insurrection of 1798 | de Vál, Seamus S. | Article in Journal | | 1998 |
| Gerald O'Donovan : priest, novelist and nation-builder | Ryan, John | Article in Book | | 2003 |
| Gerald O'Donovan, priest, novelist, intellectual: a forgotten leader of the Irish revival | Ryan, John Francis | Thesis | | 1984 |
| Gerald O'Donovan: A Life: 1871-1942 | Ryan, John F. | Monograph or Collective Volume | Liverpool University Press | 2022 |
| Gerald of Wales | Walker, David, 1923- | Article in Journal | | 1978 |
| Gerald of Wales : a case of myopia? | Empey, C. A. (Adrian) | Article in Book | | 1999 |
| Gerald O’Donovan : priest, novelist, and Irish revivalist | Ryan, John F. | Article in Journal | | 1996 |
| Gildas and Uinniau | Dumville, David N. | Article in Book | | 1984 |
| Giraldus Cambrensis : the growth of the Welsh nation. | Richter, Michael, 1943-2011 | Monograph or Collective Volume | NA | 1976 |
| Glasnevin House - a sense of place | Keely, Vivienne | Monograph or Collective Volume | History Press Ireland | 2014 |
| Glimpses of 18th-century Dublin priests | Meagher, John | Article in Journal | | 1958 |
| God and the gun : the church and Irish terrorism | Dillon, Martin | Monograph or Collective Volume | Orion | 1997 |
| God wills it! : centenary story of the Sisters of St Louis | Pauline, Mary, Sr. | Monograph or Collective Volume | Browne and Nolan | 1959 |
| Godfrey Massey, vicar of Bruff | Browne, Pius J. A. | Article in Journal | | 1981 |
| Godly burden : the Catholic sisterhoods in twentieth century Ireland | Mac Curtain, Margaret | Article in Book | | 1997 |
| Golden jubilee, 1931-81 : dedicated to most Rev. Donal J. Herlihy, bishop of Ferns, on the occasion of the golden jubilee of his priesthood, 4th April 1981 | Anonymous | Monograph or Collective Volume | Hugh O'Byrne | 1981 |
| Goldenbridge : a view from Valparaiso | Durkan, Teresita | Monograph or Collective Volume | Veritas | 1997 |
| Good hearts : Catholic sisters in Chicago's past | Hoy, Suellen | Monograph or Collective Volume | University of Illinois Press | 2006 |
| Gramadóirí Gaeilge agus Laidine | Ahlqvist, Anders | Article in Book | | 1986 |
| Habits of compassion : Irish Catholic nuns and the origins of New York's welfare system, 1830-1920 | Fitzgerald, Maureen | Monograph or Collective Volume | University of Illinois Press | 2006 |
| Handmaids of autonomous women : the charitable activities, institution building and communal relationships of Catholic sisters in nineteenth-century Wisconsin | Deacon, F. | Monograph or Collective Volume | University of Wisconsin Press | 1989 |
| Healing and hope : memories of an Irish ecumenist | Hurley, Michael | Monograph or Collective Volume | Columba | 2003 |
| Henry Cooke | Holmes, Finlay | Monograph or Collective Volume | Christian Jounals Ltd | 1981 |
| Henry Cooke (1788-1868) | Holmes, Robert Finlay, Rev. | Thesis | | 1970 |
| Henry Cooke (1788-1868) and mid-Antrim | Holmes, Finlay | Article in Journal | | 1983 |
| Henry Cooke's centenary | | Monograph or Collective Volume | Braid Books | 1993 |
| Henry Montgomery : ecclesiastic and politician | Allen, Robert | Article in Journal | | 1944 |
| Henry Ó Dochartaigh : vicar-general of the diocese of Meath | Bonner, Brian | Article in Journal | | 1980 |
| Henry Somerville - an unusual clergyman | Shine, Michael | Article in Journal | | 1985 |
| Her book-lined cell : Irish nuns and the development of texts, translation and literacy in late medieval Spain | Knox, Andrea | Article in Book | | 2015 |
| Hide and seek : the Irish priest in the Vatican who defied the Nazi command. A dramatic true story of rivalry and survival during WWII | Walker, Stephen | Monograph or Collective Volume | Collins | 2011 |
| Highly respectable and accomplished ladies : Catholic women religious in America, 1790-1850 | Misner, Barbara | Monograph or Collective Volume | # | 1988 |
| His grace is displeased: selected correspondence of John Charles McQuaid | | Monograph or Collective Volume | Merrion | 2012 |
| Historic Galway convents | Concannon, Helena | Article in Journal | | 1950 |
| Historic Irish hospitals : 6, St Vincent's Hospital, Dublin | O'Connell, T. C. J. | Article in Journal | | 1962 |
| Historic sites and traditions, 3 : Father James Maria McGuckin, O.M.I., Irish pioneer priest in British Columbia | Ó Muirí, Réamonn | Article in Journal | | 1999 |
| Historical Marian devotional practices among the Daughters of Charity | Neylon, Anne | Article in Book | | 2014 |
| History of Killeshin Parish. | Fennell, W.H. | Article in Journal | | 2012 |
| History of Kylemore Castle and Abbey | Villiers-Tuthill, Kathleen | Monograph or Collective Volume | Kylemore Abbey Publications | 2002 |
| 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 catholic archbishops of Dublin since the reformation. Vol. 1 | Moran, Patrick Francis, cardinal, 1830-1911 | Monograph or Collective Volume | | 1864 |
| History of the Diocese of Meath 1860-1993 | | Monograph or Collective Volume | The Most Rev. Michael Smith, Bishop of Meath | 1995 |
| Holy Cross : a personal experience | Troy, Aidan | Monograph or Collective Volume | Currach Press | 2005 |
| Holy Cross and Kilcooley: Two Holy Cross abbeys in Tipperary | O'Brien, Niall C.E.J. | Article in Journal | | 2023 |
| Hopeful Hopkins | Egan, Desmond | Article in Journal | | 2012 |
| Hopkins in Ireland | White, Norman | Monograph or Collective Volume | University College Dublin | 2002 |
| How the nuns of New York tamed the gangs of New York | McConnell, Turlough | Article in Book | | 2016 |
| Hugh O'Flaherty : his wartime adventures | Walsh, Alison | Monograph or Collective Volume | Collins Press | 2010 |
| Humphrey Lloyd 1800-1881 | Spearman, T. D. | Article in Journal | | 1981 |
| Humphrey Lloyd, 1800-1881 | O'Hara, James G. | Article in Book | | 2003 |
| Ian Paisley and the reformed tradition | MacIver, Martha Abele | Article in Journal | | 1987 |
| If these stones could speak... | Jennings, Fergal | Article in Journal | | 2019 |
| Ignorant, ill-mannered and excitable : clerical attitudes towards the laity in the Ulster revival of 1859 | Holmes, Janice | Article in Journal | | 1991 |
| Immigrant nuns : their participation in the process of Americanization : Massachusetts and Rhode Island, 1880-1920 | Donovan, Grace | Article in Journal | | 1991 |
| Improving clergymen, 1660-1760 | Barnard, T. C. (Toby Christopher) | Article in Book | | 1995 |
| In Fr John Murphy's footsteps | Furlong, Nicholas | Article in Journal | | 1987 |
| In general, they do not answer well? : Irish priests in the western lowlands of Scotland, 1838-50 | Mitchell, Martin J. | Article in Book | | 2003 |
| In memoriam : Rt Rev. Monsignor Laurence Marron | Anonymous | Article in Journal | | 1996 |
| In memoriam : Very Rev. Pádraig Ó Gallachair | Anonymous | Article in Journal | | 1996 |
| In memory of Rev. James V. Hayes, S.M.A., 1918-1999 | Darcy, Brendan | Article in Journal | | 2000 |
| In quest of an heir : the life and times of John Butler, Catholic bishop of Cork, Protestant baron of Dunboyne | Costello, Con | Monograph or Collective Volume | | 1978 |
| In search of Swift | Johnston, Denis | Monograph or Collective Volume | Hodges Figgis | 1959 |
| In the Crimea : memories of a Carlow sister of mercy | Kelly, Mary Teresa | Article in Journal | | 1964 |
| In the footsteps of long ago saints : Irish Capuchins in the Rhineland | McCafferty, John | Article in Book | | 2015 |
| In the line of duty : priests who ministered to the famine victims | O'Shea, Kieran | Article in Book | | 1997 |
| In times gone by... | O' Connor, Tom, Fr. | Article in Book | | 2012 |
| Influences Irlandaises dans la christianisation des Slaves polabes et des Polanois | Stauber, J. | Article in Journal | | 1959 |
| Inspiring stones : a Church of Ireland history of the dioceses of Limerick, Ardfert, Aghadoe, KIllaloe, KIlfenora, Clonfert, Kilmacduagh and Emly | Hewson, Adrain | Monograph or Collective Volume | The Diocesan Council of Limerick, Killaloe and Ardfert | 1995 |
| Insular Christianity : alternative models of the church in Britain and Ireland, c. 1570 – c. 1700 | | Monograph or Collective Volume | Manchester University Press | 2013 |
| Intrepid Donegal ecclesiastic of the sixteenth century : the Most Rev. Donald McGonagle, D.D., bishop of Raphoe 1562-89 | Conaghan, Charles | Article in Journal | | 1976 |
| Introduction | Rafferty, Oliver P. | Article in Book | | 2014 |
| Introduction | Kerr, Donal A. | Article in Book | | 1998 |
| Introduction | Lyons, Mary AnnO'Connor, Thomas | Article in Book | | 2006 |
| Invitation to the Daughters of Charity to Belfast, 1895-1900 | Byrne, Anna | Article in Book | | 2014 |
| Ireland and the Catholic revival | Gwynn, D. R. (Denis Rolleston), 1893-1972 | Article in Journal | | 1950 |
| Ireland's contribution to medieval learning | O'Kane, Frances | Article in Journal | | 1956 |
| Ireland's man in the Holy Land : Father Jerome Murphy-O'Connor OP (1935-2013) | McConvery, Brendan | Article in Book | | 2015 |
| Ireland, the papal curia and the schism : a border case | Walsh, Katherine | Article in Book | | 1980 |
| Irish and Anglo-Irish scholars in the time of Swift : the case of Anthony Raymond | Carpenter, Andrew | Article in Book | | 1987 |
| Irish and Armenian Ecclesiastics in Medieval Iceland | Cormack, Margaret | Article in Book | | 2007 |
| Irish and Catholic : myth or realtiy? : another sort of Irish and the renewal of the clerical profession among Catholics in England | Connolly, Gerard | Article in Book | | 1985 |
| Irish archives in Spain | Ranson, Joseph | Article in Journal | | 1955 |
| Irish bishops and clergy in exile in mid-seventeenth century France | D'Ambrienes, René,Ó Ciosáin, Éamon | Article in Journal | | 2008 |
| Irish bishops, their biographers and the experience of revolution | McCafferty, John | Article in Book | | 2011 |
| Irish born secular priests in the diocese of Salford | Bracken, Robert | Monograph or Collective Volume | N. Richardson | 1984 |
| Irish Carmelite Fathers : seventh centenary souvenir, 1271-1971 | Anonymous | Monograph or Collective Volume | Carmelite Publications | 1971 |
| Irish Catholics in the West of Scotland in the Nineteenth Century : despised by Scottish workers and controlled by the Church? | Mitchell, Martin J. | Article in Book | | 2008 |
| Irish churchmen in confederate politics | O'Connell, William D. | Thesis | | 1942-1943 |
| Irish churchmen in pre-Carolingian Europe | Breathnach, Pádraig | Article in Journal | | 1985 |
| Irish churchmen in pre-Carolingian Europe | Breatnach, Pádraig A. | Article in Journal | | 1985 |
| Irish clergy abroad | Marshall, William | Article in Book | | 2006 |
| Irish clergy and the diocesan church in the 'four obedient shires' of Ireland, c.1400-c.1540 | Booker, Sparky | Article in Journal | | 2014 |
| Irish clergy in the high and late middle ages | Empey, C. A. (Adrian) | Article in Book | | 2006 |
| Irish clerics and French politics of grace | O'Connor, Priscilla | Article in Book | | 2003 |
| Irish clerics in the university of Paris, 1570-1770 | O'Connor, Priscilla | Thesis | | 2006 |
| Irish Daughters of Charity on international mission service | O'Connell, Louise | Article in Book | | 2014 |
| Irish diocesan priests in southern Nigeria, 1920-42 | Cooke, Colm M., Rev. | Thesis | | 1971 |
| Irish Dominicans at Rome, 1570-1699 : a biographical register | Fenning, Hugh | Article in Journal | | 2003 |
| Irish education and Catholic Emancipation, 1791-1831: the campaigns of Bishop Doyle and Daniel O'Connell | Fleming, Brian | Monograph or Collective Volume | Peter Lang | 2017 |
| Irish Government lists of Catholic personnel, c.1613 [with index] | Mac Cuarta, Brian | Article in Journal | | 2015 |
| Irish Jesuit archives | O'Donoghue, Fergus | Article in Journal | | 1986 |
| Irish Jesuit chaplains in the First World War | | Monograph or Collective Volume | Messenger Publications | 2014 |
| Irish Jesuits among the wild Batonga | McSweeney, Joseph | Monograph or Collective Volume | Irish Messenger Publications | 1954 |
| Irish Jesuits in Northern Rhodesia | McSweeney, Joseph | Monograph or Collective Volume | Irish Messenger Publications | 1954 |
| Irish life in the 17th century. | MacLysaght, Edward | Monograph or Collective Volume | | 1950 |
| Irish links with Bishop Challoner | Brady, John, d.1963 | Article in Journal | | 1946 |
| Irish material in Fondo Santa Sede, Madrid | Mac Curtain, Benvenuta | Article in Journal | | 1963 |
| Irish material in the registers of the Dominican masters general, 1390-1649 | NA | Article in Journal | | 1969 |
| Irish merchants and clerics at Seville, 1592-1614 | Murphy, G. Martin | Article in Book | | 2002 |
| Irish migrants and the recruitment of Catholic sisters in Glasgow, 1847-1878 | Lehoe, S. Karly | Article in Book | | 2009 |
| Irish monasticism : origins and early development | Ryan, John | Monograph or Collective Volume | Irish University Press | 1972 |
| Irish names in the Malines ordination registers, 1602-1794 | Jennings, Brendan | Article in Journal | | 1952 |
| Irish names in the Ordination registers of the diocese of Ghent, 1559-1802 | Nilis, Jeroen | Article in Journal | | 2006 |
| Irish nuns Nantes, 1650-1659 | Ó Ciosáin, Éamon | Article in Journal | | 2004 |
| Irish oblate and naval chaplain : Father Stewart Phelan and the Battle of Jutland | Hagerty, James | Article in Book | | 2015 |
| Irish pensioners of the French clergy, 1686-1778 | Finegan, Francis | Article in Journal | | 1966 |
| Irish poetry and the clergy | Ó Fiaich, Tomás | Article in Book | | 1975 |
| Irish preachers and confessors in the archdiocese of Malines, 1607-1794 | | Article in Journal | | 1960 |
| Irish priests and students in revolutionary France | Swords, Liam | Article in Book | | 1997 |
| Irish priests in Spanish Natchez | Holmes, Jack D. L. | Article in Journal | | 1967 |
| Irish priests in the diocese of Quebec in the nineteenth century | O'Gallagher, Marianna | Article in Journal | | 1983 |
| Irish priests in the Highlands : judicial evidence from Argyll | Macdonald, Fiona A. | Article in Journal | | 1995 |
| Irish priests in the north-east in the eighteenth century | Nicholson, W. J. | Article in Journal | | 1984 |
| Irish priests in the north-east in the nineteenth century | Nicholson, W. J. | Article in Journal | | 1985 |
| Irish priests in the United States : a vanishing subculture | Smith, William L. | Monograph or Collective Volume | University Press of America | 2004 |
| Irish priests transported under the Commonwealth | | Article in Journal | | 1949 |
| Irish priests, nuns and brothers : locating sources for genealogical research | Betit, Kyle J. | Article in Journal | | 2000 |
| Irish rectors at Seville, 1619-1687 | Finegan, Francis | Article in Journal | | 1966 |
| Irish rogues and rascals | McArdle, Joseph | Monograph or Collective Volume | Gill & Macmillan | 2007 |
| Irish schools for Canada : Arthur Buller to the bishop of Quebec, 1838 | Curtis, Bruce | Article in Journal | | 2001 |
| Irish Scotists at St Isidore's College, Rome in the seventeenth century | Millett, Benignus | Article in Book | | 1968 |
| Irish Sisters of Mercy in the Crimean war | Bolster, Ellen | Thesis | | 1959 |
| Irish soldiers and Father Charles O'Neill of the Irish College in Paris | Walsh, Micheline | Article in Journal | | 1978 |
| Irish soldiers and the Irish College in Paris, 1706-1791 | Walsh, Micheline | Article in Book | | 1978 |
| Irish students ordained in Rome (1625-1710) | Egan, Bartholomew, OFMGiblin, CathaldusMcGrath, Cuthbert | Article in Journal | | 1943 |
| Irish voices from the Spanish Inquisition : migrants, converts and brokers in early modern Iberia | O'Connor, Thomas | Monograph or Collective Volume | Palgrave Macmillan | 2016 |
| Irish women religious and their convent high schools in nineteenth-century Australia | MacGinley, Rosa | Article in Journal | | 2010 |
| Irish-born priests who studied in the American College of Louvain between 1860 and 1971 | Canning, Joe | Article in Journal | | 2019 |
| Irish-born secular priests in Scotland, 1829-1979 | Canning, B. J. (Bernard J.) | Monograph or Collective Volume | The author | 1979 |
| Irishmen ordained at Lisbon 1587-1625, 1641-60 | | Article in Journal | | 1990 |
| Irishmen ordained at Lisbon, 1660-1739 | Fenning, Hugh | Article in Journal | | 1993 |
| Irishmen ordained at Prague 1628-1700 : additions and corrections to Matthäus Hösler's list | Millett, Benignus | Article in Journal | | 1998 |
| Irishmen ordained at Prague, 1629-1786 | Hösler, Matthäus | Article in Journal | | 1991 |
| Irishmen ordained at Rome, 1572-1697 | | Article in Journal | | 2005 |
| Irishmen ordained at Rome, 1698-1759 | | Article in Journal | | 1996 |
| Irishmen ordained at Rome, 1760-1800 | | Article in Journal | | 1997 |
| 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 |
| Itinerant clergy in Upper Canada | Ruggle, Richard | Article in Journal | | 1985 |
| J. G. McGarry - a reminiscence | Meehan, Molaise | Article in Journal | | 1981 |
| J. O. Hannay and the Gaelic League | French, R. B. D. | Article in Journal | | 1966 |
| James Augustine Anderson, O.S.A., 1837-1903 | Dwyer, Catherine Mary | Article in Journal | | 1974 |
| James Burke : priest and revolutionary | Ryan, Desmond | Article in Journal | | 1989 |
| James Dixon and Jeremiah O'Flynn, two prefects apostolic in Australia | Giblin, Cathaldus | Article in Journal | | 1983 |
| James Pulleine : an 18th century dean of Dromore | Kearns, Patrick | Article in Journal | | 1984 |
| James Ussher and his times | Styles, Philip | Article in Journal | | 1956 |
| Jesuit Finances in Restoration Ireland: a relational network analysis | Foerster, Martin
| Article in Journal | | 2021 |
| Jesuits in Hong Kong, South China, and beyond, 1926-2006 | Morrissey, William J. | Monograph or Collective Volume | Xavier Publishing Association | 2008 |
| John Bale | Happé, Peter | Monograph or Collective Volume | Prentice Hall | 1996 |
| John Boylan, influential nineteenth-century Kilmore priest | Sullivan, Tom | Article in Journal | | 2012 |
| John Canon O'Hanlon : the man and his legacy | Fennelly, Teddy | Monograph or Collective Volume | Arderin Publishing Company | 2005 |
| John Carey 1800-1891 | St. Clair, Sheila | Article in Book | | 1991 |
| John Colgan (1592-1992) | Byrne, Connall | Monograph or Collective Volume | The author | 1992 |
| John Girvan for Christ and his Church | Lockington, John W. | Monograph or Collective Volume | Ambassador International | 2005 |
| John Hayes (1887-1957) founder of Muintir na Tíre | Devereux, Eoin | Article in Journal | | 1998 |
| John Howe : chaplain to Lord Masserene at Antrim castle, 1671-7 | Carson, J. T. | Article in Journal | | 1977 |
| John Kavanagh as hedge school wonder boy | Noël, Jean C. | Article in Journal | | 1982 |
| John Kenyon's involvement in the Young Ireland movement, 1846-8 | Boland, Tim Ger | Thesis | | 2008 |
| John McEnery - Limerick priest - palaeontologist, 1796-1841 | Newman, Jeremiah | Article in Book | | 1967 |
| John Richardson at Belturbet : opportunity in South Ulster, 1690-1727 | Middleton, Kathleen | Article in Journal | | 2013 |
| John T. McNicholas in the age of practical thomism | Avella, S. M. | Article in Journal | | 1986 |
| John Wesley 1703-1791 : a bicentennial tribute | Walsh, John, 1927- | Monograph or Collective Volume | Dr. Williams's Trust | 1995 |
| John's Lane | Butler, Thomas | Monograph or Collective Volume | St John's Priory | 1983 |
| Jolly beggars : Irish priests fundraising abroad | Roddy, Sarah | Article in Book | | 2015 |
| Jonathan Swift | Subramanyam, N. S. | Monograph or Collective Volume | Kital Mahal | 1962 |
| Jonathan Swift | Davis, Herbert | Monograph or Collective Volume | Oxford University Press | 1964 |
| Jonathan Swift - vicar of Laracor | Reynolds, James A. | Article in Journal | | 1967 |
| Jonathan Swift : 'not the gravest of divines' | Landa, Louis A., 1901- | Article in Book | | 1967 |
| Jonathan Swift : a short character | Dennis, N. | Monograph or Collective Volume | Weidenfeld and Nicolson | 1965 |
| Jonathan Swift : churchman | Winnett, A. R. | Monograph or Collective Volume | Moor Park College | 1968 |
| Jonathan Swift : Irishman | O'Hegarty, P. S. | Article in Journal | | 1945 |
| Jonathan Swift : our Dean | Hammond, Eugene | Monograph or Collective Volume | University of Delaware Press | 2016 |
| Jonathan Swift : some current biographical problems | Arundel, Bruce | Article in Book | | 2003 |
| Jonathan Swift and Ireland | Tupoleva, L. F. | Article in Book | | 1984 |
| Joseph Dixon and the archdiocese of Armagh, 1852-1866 | McKinney, Amy | Thesis | | 2008 |
| Joseph O'Halloran, S.J. | Hannan, Kevin | Article in Journal | | 1989 |
| Jottings from Maynooth records | Scrutator | Article in Journal | | 1940 |
| Journal | O'Farrell, James | Article in Journal | | 1974 |
| Journal of Monsignor O'Farrell, parish priest of Ardagh 1859-1919 | Anonymous | Article in Journal | | 1973 |
| Journal of the Very Rev. Rowland Davies, LL.D., dean of Ross, and afterwards dean of Cork, from March 8, 1688/9, to September 29, 1690. | Caulfield, RichardDavies, Rowland, 1649-1721 | Monograph or Collective Volume | | 1857 |
| Journeying to the Edge of the World | Mac Cárthaigh, Críostóir | Article in Book | | 2022 |
| Joyful mother of children : Mother Francis Mary Teresa Ball | Loreto, A. | Monograph or Collective Volume | Gill | 1961 |
| Juring and non-juring priests | Brady, John, d.1963 | Article in Journal | | 1943 |
| Justified by faith : an Irish missionary experience in Malawi | Hanley, Angela | Monograph or Collective Volume | St Patrick's Missionary Society | 2002 |
| Kate O'Brien, convents and class | Clear, Caitriona | Article in Book | | 2009 |
| Katherine Butler R.S.C. (obituary) | Behan, A. P. | Article in Journal | | 2000 |
| Keeping it in the family: Familial connections of abbesses and prioresses of convents in medieval Ireland | Lyons, Mary Ann | Article in Book | | 2023 |
| Kiladreenan and Newcastle | Ronan, Myles V. (Myles Vincent) | Article in Journal | | 1933 |
| Kilfiddane, Coolman and Cranny : a historical, social and cultural review of a south-west Clare parish | | Monograph or Collective Volume | | 1981 |
| Killone convent | Gilmore, Hilary | Article in Journal | | 1982 |
| Kilmore clergy list of 1723 | Traynor, Owen | Article in Journal | | 1969 |
| Kilmore priests | McKiernan, Francis | Article in Journal | | 1986 |
| Kilmore priests who have served in other parishes | Kehoe, Tom | Article in Journal | | 2012 |
| Kilnaboy's vicar general of Cashel | Neylon, James | Article in Journal | | 1998 |
| Kings and clerics in some Leinster sagas | Davies, Morgan Thomas | Article in Journal | | 1996 |
| Kinsale temperance hall and Canon John O'Mahony | Hickey, N. M. | Article in Journal | | 1986 |
| Knock Methodist Church : 100 years. 1870-1970 | Connell, Noel | Monograph or Collective Volume | E. Hoggett Ltd | 1969 |
| La mission Capucine Irlandaise à Sedan, 1639-1654 | Martin, F. X. (Francis Xavier), 1922-2000 | Article in Journal | | 1969 |
| Ladies' Association of Charity of St Vincent de Paul : laying the groundwork for the Daughters of Charity | Keenan, Breege | Article in Book | | 2014 |
| Lageniensis | Scully, Tony | Article in Journal | | 2006 |
| Laity and clergy in the Catholic renewal of Dublin, c.1750-1830 | Begadon, Cormac | Thesis | | 2009 |
| Las hermanas de al misericordia (Irlandesas) : apuntes históricos sobre sus cien años en la Argentina, 1856-1956 | Ussher, Santiago M. | Monograph or Collective Volume | [s.n.] | 1955 |
| Latin learning in medieval Ireland | Esposito, MarioLapidge, Michael | Monograph or Collective Volume | [s.n.] | 1988 |
| Laurel Hill : a French foundation | Ahern, Richard | Article in Journal | | 1989 |
| Laurent O'Toole, archevêque du Dublin | Legris, Albert | Monograph or Collective Volume | | 1908 |
| Laurentius von Dublin und das irische Normannentum | O'Doherty, J. F. | Monograph or Collective Volume | | 1933 |
| Lay Abbots : Should We Return to the Earlier Church Practice? | De Bhaldraithe, Eoin | Article in Journal | | 2008 |
| Léachtaí Cholm Cille XVI : Léann na cléire | | Monograph or Collective Volume | An Sagart | 1986 |
| Leitrim priests in penal times | Logan, Dr. | Article in Journal | | 1946 |
| Les Irlandais en Belgique | Davignon, Henri | Article in Book | | 1956 |
| Les monastères d'Irlande, pépinières de saints | Cerbelaud-Salagnac, Georges | Article in Book | | 1956 |
| Les témoins parlent : Grosse Île 1847 | Dompierre, Rose MassonO'Gallagher, Marianna | Monograph or Collective Volume | Livres Carraig books | 1995 |
| Letter from a Novice at St Isidore's College, Rome, in the Early Nineteenth Century and its annotations | Cunningham, John M.
| Article in Journal | | 2021 |
| Letter of credence by Donatus Magrahe, prior of Lough Derg, for Nylanus O Ledan, priest and pilgrim | | Article in Journal | | 1959 |
| Letterkenny pastor and parliamentarian : Rev. John Kinnear (1823-1909) | Bewglass, J. H. | Article in Journal | | 1972 |
| Letters from Galway 1772-1805 | | Article in Journal | | 1994 |
| Letters from Maynooth : calendar of letters of Rev. Eugene Conwell, 1798-1805 | | Monograph or Collective Volume | Dundalgan Press | 1942 |
| Letters of a penal priest | | Article in Journal | | 1942 |
| Letters of Daniel Papebroch, S.J., to Francis Harold, O.F.M. (1665-90) | NA | Article in Journal | | 1966 |
| Letters of the Catholic poor: poverty in Independent Ireland, 1920-1940 | Earner-Byrne, Lindsey | Monograph or Collective Volume | Cambridge UP | 2017 |
| Letters on Armagh parish two centuries ago | Ó Fiaich, Tomás | Article in Journal | | 1987 |
| Líadain's Lament, Darerca's Life, and Íte's Ísucán : evidence for nun's literacies in early Ireland | Callan, Maeve B. | Article in Book | | 2015 |
| Liaisons épistolaires illégitimes entre l'abbé Casgrain et l'Irlandaise Kate E. Godley | Brunet, Manon | Article in Book | | 2007 |
| Liam Inglis 1708-78 | Ó Donnabháin, Barra | Article in Journal | | 1998 |
| Life after death? : a preliminary survey of the Irish presbyterian ministry in the nineteenth century | Brown, Kenneth D. | Article in Journal | | 1995 |
| Life and work of Canon Sheehan | McElligott, T.J. | Thesis | | 1942-1943 |
| Life and work of Rev. Hugh Hanna : erection of St Enoch's church | Dickson, A. | Article in Journal | | 1942 |
| Life at the vicarage | Howard, Anne | Article in Journal | | 2008 |
| Life in the Bar Convent : 1686-1900 | Kirkus, Gregory (Sister) | Article in Journal | | 2007 |
| Life in the medieval cloister | Kerr, Julie | Monograph or Collective Volume | Continuum | 2009 |
| Life of Dean O'Brien, founder of the C.Y.M.S. | Egan, Mary Joan | Monograph or Collective Volume | C.Y.M.S. | 1948 |
| Life of St Laurence O'Toole, archbishop of Dublin, 1128-1180 | Legris, Albert | Monograph or Collective Volume | | 1914 |
| Life of the Rev. A.P. Goudy D.D. | Croskery, ThomasDunlop, EullMawhinney, GrahamWitherow, Thomas | Monograph or Collective Volume | Moyola Books|Braid Books | 1994 |
| 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 bridge : a record of the priests, sisters & brothers of our parish of Rochfortbridge, barony of Fartullagh, diocese of Meath | Wright, Kathleen | Monograph or Collective Volume | Parish of Rochfortbridge | 2003 |
| Líóntán d'Iascairíbh Daoine/ "A Net for the Fishers of Men" [1685] | Hamilton, Pádraig | Article in Journal | | 2025 |
| Local relief during the Great Irish Famine, 1845-1850 : the case of Castlebar, County Mayo, 1846-1847 | O'Malley, Michael | Article in Journal | | 1997 |
| Locating female saints and their foundations in the early medieval Irish martyrologies | Johnston, Elva | Article in Book | | 2023 |
| Longford men in the American Civil War (1861-'65) part I : the chaplains | O'Hara, Aidan | Article in Journal | | 2011 |
| Lorcán Ó Tuathail agus a ré | Ó Duibhir, Peadar | Article in Book | | 1982 |
| Lord Castletown's biographical sketch of Canon Sheehan | Fitzpatrick, Bernard Edward Barnaby, Sir, 2nd Baron Castletown, 1848-1937 | Article in Journal | | 2016 |
| Lord Inchiquin and the Munster clergy, 1643-9 | Little, Patrick | Article in Book | Four Courts Press | 2025 |
| Los capellanes Irlandeses en la colectividad hiberno-argentina durante el siglo xix | Ussher, Santiago M. | Monograph or Collective Volume | [s.n.] | 1954 |
| Lost in Rinuccini's shadow : the Irish clergy, 1645-9 | Ó hAnnracháin, Tadhg | Article in Book | | 2001 |
| Lough Derg and its unusual 'guardian' Rev. Alexander Calhoun, grandfather of John Caldwell Calhoun, vice-president of the U.S.A. | Cunningham, John B. 1944-,Whalley, M. A. | Article in Journal | | 1981 |
| Lovers of a new place : the founding of Tarrawarra Abbey, Victoria | Casey, Michael | Article in Book | | 2015 |
| Loyalty and humanity, or a variety of scenes which a clergyman of the established church and his family evinced and came through in a disturbed part of Ireland ... | McKay, James, Rev. | Monograph or Collective Volume | | 1803 |
| Lucca Wadding, O.F.M., L'annalista dei Francescani | Casolini, Fausta | Monograph or Collective Volume | Vita e Pensiero | 1937 |
| Luke Cullen, 1793-1859 | Walsh, Joe | Article in Journal | | 2002 |
| Luke Wadding (1588-1657) : the only Irishman to receive votes on a papal conclave | Bhreathnach, Edel | Article in Journal | | 2007 |
| Luke Wadding, 1588-1657 | Ní Cinnéide, Síle | Article in Journal | | 1956 |
| Made holy : Irish women religious at home and abroad | McKenna, Yvonne | Monograph or Collective Volume | Irish Academic Press | 2006 |
| Make them love you | Cullen, Kevin | Monograph or Collective Volume | Veritas | 2001 |
| Making, breaking and remaking the Irish missionary network : Ireland, Rome and the West Indies in the seventeenth century | Binasco, Matteo | Monograph or Collective Volume | Palgrave | 2020 |
| Mallow Community Youth Centre. "Caoga Bliain ag Fás" | Murphy, Dave | Article in Journal | | 2015 |
| Malone : a history of Malone Presbyterian Church, Belfast, and its neighbourhood, 1835-1970 | Robb, William | Monograph or Collective Volume | Malone Presbyterian Church | 1971 |
| Maol Íosa Ó Brolcháin agus a chine | Ní Bhrolcháin, Muireann | Article in Book | | 1986 |
| Maori and Mission Sisters in New Zealand Since 1865 : Changing Approaches | Smith, Susan | Article in Journal | | 2007 |
| Marbhna an athair Nioclás Mac Síthigh | Mac Peaircín, Liam, 1938-2019 | Article in Book | | 2012 |
| Margaret Aylward 1810-1889 : lady of charity, sister of faith | Prunty, Jacinta | Monograph or Collective Volume | Four Courts | 1999 |
| Margaret Louisa Aylward | Prunty, Jacinta | Article in Book | | 1995 |
| Marginal but not alienated : confessions of a loudmouthed Irish priest | Greeley, Andrew M. | Article in Journal | | 1974 |
| Marginal figures? Quasi-religious women in medieval Ireland | Ó Clabaigh, Colmán | Article in Book | | 2023 |
| Mark of protest : an autobiography | Griffin, Victor | Monograph or Collective Volume | Gill & Macmillan | 1993 |
| Marriage in Ireland | | Monograph or Collective Volume | College P. | 1985 |
| Mary Aikenhead (1787-1858), servant of the poor : founder of the Religious Sisters of Charity | Blake, Donal | Monograph or Collective Volume | Caritas | 2001 |
| Mary Ward, 1585-1645 : a personal tribute | Ó Laoghaire, Dominic | Article in Journal | | 1982 |
| Master Rath a powerful rector | Anonymous | Article in Journal | | 1987 |
| Mater Admirabilis Day Secondary School | Logue, Rose Mary | Article in Journal | | 2017 |
| Mater Admirabilis Day Secondary School in the 1960s | Logue, Rose Mary | Article in Journal | | 2018 |
| Material relating to Irish clergy in England in the late middle ages | Davis, Virginia | Article in Journal | | 2002 |
| Materials for a bibliography of the Very Rev. Peter Canon O'Leary, 1893-1900 | Lankford, SeamusÓ Cuiv, S. | Article in Journal | | 1954 |
| Materials for the history of the Franciscan province of Ireland A.D. 1230-1450 | | Monograph or Collective Volume | Gregg Press | 1967 |
| Mathúin Ó Riain : sagart agus tírghráthóir | Ó Súileabháin, Donncha | Article in Book | | 1990 |
| Matthew de Oviedo : birthplace, parentage, place of burial | Hawkes, William | Article in Journal | | 1955 |
| Matthew Trant Moriarty and the famine in Ventry | Lehane, Shane | Article in Book | | 1997 |
| Maynooth : students and ordinations index 1795-1895 | Hamell, P. J. | Monograph or Collective Volume | Cardinal | 1982 |
| Maynooth Monsignor : [an interview with Monsignor Patrick J. Corish] | Keogh, Dáire | Article in Journal | | 1996 |
| Maynooth students and ordinations 1795-1895 : index | Hamill, Patrick J. | Article in Journal | | 1967 |
| Maynooth students and ordinations, 1795-1893 : index | | Article in Journal | | 1968 |
| McIlmoyle of Dervock : pastor of two flocks | Dunlop, EullHanna, Robert | Monograph or Collective Volume | Mid-Antrim Historical Group | 1991 |
| Medieval Irish Dominican studies | O'Sullivan, Benedict, 1887-1970 | Monograph or Collective Volume | Four Courts | 2009 |
| Medieval Kilmeaden parish clergy: rectors or vicars? | O'Brien, Niall C.E.J. | Article in Journal | | 2019 |
| 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 |
| Meekness and ambition, or the hypocrite detected: a satirical poem about Richard Pococke, Bishop of Ossory | Finnegan, Rachel | Article in Journal | | 2015 |
| Memoir of ... Power le Poer Trench, last Archbishop of Tuam | D'Arcy, Joseph, Sir | Monograph or Collective Volume | | 1845 |
| Memoir of the Most Rev. Oliver Plunket, archbishop of Armagh, and Primate of all Ireland, who suffered death for the Catholic faith in the year 1681 | | Monograph or Collective Volume | | 1861 |
| Memoir of the Rev. James McLeer, P.P., Burt and Inch 1847-1864 | Campbell, WilliamMcGinn, Brendan | Article in Journal | | 1978 |
| Memoirs of an unrepentant liberal | McConnell, G. B. G. | Monograph or Collective Volume | The author | 2001 |
| Memoirs of chaplain life : three years with the Irish Brigade in the army of the Potomac | Corby, WilliamKohl, Lawrence Frederick | Monograph or Collective Volume | Fordham University Press | 1992 |
| Memoirs of the Reverend Jaques Fontaine, 1658-1728 | | Monograph or Collective Volume | Huguenot Society of Great Britain and Ireland | 1992 |
| Memories of housekeepers and priests in Kilmallock parish | Irwin, Alice | Article in Journal | | 2003 |
| Mercy in Cork, 1837-87 | Bolster, M. A. | Monograph or Collective Volume | [s.n.] | 1987 |
| Mercy in Rosscarbery, 1894-1994 : history, development & reminiscences | Anonymous | Monograph or Collective Volume | Mount St Michael Centenary Committee | 1994 |
| Michael Cardinal Logue 1840-1924, part 1 | Walsh, Aisling | Article in Journal | | 1997 |
| Michael Condon's visit to Derrynane, 1839 | Canning, B. J. (Bernard J.) | Article in Journal | | 1984 |
| Michael Hewetson, M.A., archdeacon of Kildare for a day (St. Peter's, 1686) | Hewetson, John | Article in Journal | | 1910 |
| Michael John Brenan | O'Reilly, Thomas | Article in Journal | | 1941 |
| Michael Kieran, 1803-1869, parish priest of Dundalk, 1848-1869, Archbishop of Armagh, 1866-1869 | Bellew, Tom | Article in Journal | | 1994 |
| Michael Logue, the Catholic Church and public affairs in Ireland, 1879-1924 | Privilege, John | Thesis | | 2005 |
| Michael Tormey - priest and patriot | Clare, James | Article in Journal | | 2003 |
| Ministering hope to Chicago | Hoy, Suellen | Article in Journal | | 2002 |
| Ministrí misniúla 1798 | Ua Cearnaigh, Seán | Monograph or Collective Volume | Coiscéim | 1998 |
| Ministry in Rosscarbery | Walsh, Fr. Pat | Article in Journal | | 2004 |
| Miscellanea 3. General Sherman and Father Shearman | Ó Macháin, Pádraig | Article in Journal | | 2006 |
| Miscellanea : Rev. Patrick MacNamara | Coleman, Patrick | Article in Journal | | 2001 |
| Miscellaneous documents : 2, 1625-40 | | Article in Journal | | 1949 |
| Miscellaneous documents, 1588-1715 | NA | Article in Journal | | 1950 |
| Miscellaneous documents, 1602-1715 | Jennings, Brendan | Article in Journal | | 1950 |
| Miscellany : Minister réabhlóideach a chaith tréimhse i gCluain Meala : Seán Ua Cearnaigh | Ua Cearnaigh, Seán | Article in Journal | | 2002 |
| Missionaries from All Hallows (Dublin) to the United States, 1842-65 | Purcell, Richard J. | Article in Journal | | 1942 |
| Missionary and military chaplain : Father John Mullan and the Siege of Kut-al-Amara | Hagerty, James | Article in Book | | 2015 |
| Missionary priests of All Hallows College, Dublin, from the diocese of Armagh 1842-75 | Murray, Patrick | Article in Journal | | 1955 |
| Missionary sisters of St Columban | Fairbairn, Margaret | Article in Journal | | 1947 |
| Mistress, mother and abbess : Renalda Ní Bhrain (c.1447-1510) | Ó Dálaigh, Brian | Article in Journal | | 1990 |
| Mitres and mansions | Laffan, William | Article in Journal | | 2011 |
| Monks and civilization from the barbarian invasions to the reign of Charlemagne | Décarreaux, JeanHaldane, Charlotte | Monograph or Collective Volume | Allen & Unwin | 1964 |
| Monsignor Charles Owen Rice. Pittsburgh's Labour priest | Ó Discín, Liam | Article in Journal | | 2008 |
| Monsignor James Horan : memoirs, 1911-1986 | Horan, James | Monograph or Collective Volume | Brandon | 1992 |
| Monsignor James O'Laverty : parish priest of Holywood and historian of the diocese of Down and Connor | Macaulay, Ambrose | Article in Journal | | 1980 |
| Monsignor John Hagan 'Watchman of the Gael' | Ó Duinn, Séamus | Article in Journal | | 1992 |
| Monsignor Pádraig de Brún (1889-1960) : cathaoirleach Chomhairle na hInstitúide (1940-1960) | Ó Flaithimhín, Séamus | Article in Journal | | 1994 |
| Monsignor Patrick J. Hamell, a profile | Doran, Liam | Article in Journal | | 1996 |
| Monsignor Patrick Joseph Boylan, V.G. | Weafer, John | Article in Journal | | 2013 |
| Monsignor Thomas Aquinas Quirke | Crowley, SeamusO'Connor, Jim | Article in Journal | | 1998 |
| More Kilmore clergy lists | Traynor, Owen | Article in Journal | | 1971 |
| Most Rev. Patrick Murray, CSSR, 1865-1959 | Canning, B. J. (Bernard J.) | Article in Journal | | 1999 |
| Mother Agatha O’Brien (1822-1854). The story of a remarkable Carlow nun | O'Neill, Seán | Article in Journal | | 1995 |
| Mother Berchmans Hughes F.C.J. (1861-1925) : my visit to Benalla on the occasion of the centenary of Our Lady of the Angels, Benalla in October 2000 | Moorhead, Patricia | Article in Journal | | 2008 |
| Mother Berchmans Hughes, F.C.J. | Moorhead, Patricia | Article in Journal | | 1996 |
| Mother Butler of Marymount | Burton, Katherine | Monograph or Collective Volume | Longmans | 1944 |
| Mother Columba Gibbons of the Loreto Convent in Navan and author of the ballad "Who fears to speak of Easter Week" | Ó hÓgartaigh, Margaret | Article in Journal | | 2005 |
| Mother Kevin | Ó Cléirigh, Noel | Article in Journal | | 1985 |
| Mother M. Aloysius Doyle (1820-1908) | Fahy, Mary de Lourdes | Article in Journal | | 1978 |
| 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-
| Monograph or Collective Volume | Burns & Oates | 1936 |
| Mother Mary Benedict Hickey of Perthwille and Tooreenbawn | Ua Cadhla, Diarmuid | Article in Journal | | 1997 |
| Mother Praxedes Carty : a remarkable life | Manion, Patricia Jean | Article in Journal | | 2002 |
| Mother Vincent Whitty : woman and educator in a masculine society | O'Donoghue, Mary | Monograph or Collective Volume | Melbourne University Press | 1972 |
| Mount Lourdes : a history | Tannian, Bridie | Monograph or Collective Volume | Menapia | 1999 |
| Mount Melleray | Dempsey, Anthony | Article in Journal | | 1940 |
| Murtagh Dunne : Brother Christopher Luke F.S.C. (1890-1959) | Kavanagh, P. J. | Article in Journal | | 1999 |
| My mother taught me how to pray : the nine Murphys of Newmarket-on-Fergus | Clear, Caitríona | Article in Journal | | 1995 |
| My own story | O'Sullivan, SheilaÓ Laoghaire, Pádraig | Monograph or Collective Volume | Gill & Macmillan | 1973 |
| Na Bráithre Críostaí i gCorca Dhuibhne : a scéal | | Monograph or Collective Volume | An Sagart | 2000 |
| Na coláistí Éireannacha i bPáras, 1578-1978 | Ó Doibhlin, Breandán | Article in Book | | 1988 |
| Na Manaigh Liatha sa 17ú céad : trí cáipéisí | Mac Niocaill, Gearóid | Article in Journal | | 1956 |
| Nano and the Nagles | Healy, James Nagle | Article in Journal | | 1988 |
| 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 the Presentation Sisters | Walsh, T. J. | Monograph or Collective Volume | Gill | 1959 |
| Nano Nagle: her life and times | Nowlan-Roebuck, Catherine | Article in Journal | | 2018 |
| Nano Nagle: The life and the legacy | Delaney, CatrionaNowlan-Roebuck, CatherineRaftery, Deirdre | Monograph or Collective Volume | Irish Academic Press | 2019 |
| Narcissus Marsh & his library | McCarthy, Muriel | Article in Journal | | 1996 |
| Nationalism and illuminated addresses : an Irish Catholic community in Victorian Lancashire | Dunleavy, John | Article in Journal | | 2009 |
| Nationalism and the Catholic Church in the 1840s | Hill, Jacqueline R. | Article in Journal | | 1975 |
| Necessary collaborations : religious women and lay communities in medieval Ireland c.1200-1540 | Hall, Dianne | Article in Book | | 2004 |
| Nenagh. The story of Nenagh convent, Sisters of Mercy | Anonymous | Article in Journal | | 1953 |
| Never throw away old receipts! : an elusive Cork Carmel, 1872-1884 | Bolster, M. A. | Article in Journal | | 1989 |
| Newman and Father Dominic Barberi | Gwynn, D. R. (Denis Rolleston), 1893-1972 | Article in Journal | | 1945 |
| Newman at Beaumont | Brown, Stephen J. | Article in Journal | | 1945 |
| Newman in Dublin : fresh light from the archives of propaganda | Whyte, J. H. | Article in Journal | | 1960 |
| Newman in Ireland | Field, W. N. | Article in Journal | | 1945 |
| Newman's difficult Dublin years | Kelley, Nora M. | Article in Journal | | 1977 |
| Newman's Irish years | McHugh, Roger Joseph | Article in Journal | | 1945 |
| Newmarket court (1725-1994) | Duhallow Heritage Project | Monograph or Collective Volume | Duhallow Heritage Project | 1994 |
| Nicholas Callan - his work and times | Murphy, Patrick | Article in Journal | | 1964 |
| Nicholas Callan : priest scientist | McLaughlin, P. J. | Monograph or Collective Volume | Clonmore & Reynolds | 1965 |
| Nicholas Callan, 1799-1864 | McKeith, Niall E. | Article in Book | | 2003 |
| Nixon : a tyrant landlord | Mac Aoidh, Seamus | Article in Journal | | 1990 |
| No cheap grace : reforming the Irish Church | Murphy, Séamus, SJ | Article in Book | | 2012 |
| No lions in the hierarchy : an anthology of sorts | Dunn, Joseph | Monograph or Collective Volume | Columba | 1994 |
| No tigers in Africa : recollections and reflections of 25 years of 'Radharc' | Dunn, Joseph | Monograph or Collective Volume | Columbia University Press | 1986 |
| Non-juring priests in 1714 | Walsh, Paul, Revd, 1885-1941 | Article in Journal | | 1937 |
| Norman clerical aggression in Irish south-eastern dioceses, 1198-1216 | Dunning, P. J. | Article in Journal | | 1947 |
| North William Street, Dublin : founding parish mission, education and pastoral work | Neylon, Anne | Article in Book | | 2014 |
| Nota ar an Athair Micheál Ó Maoláin | Mac Fhinn, Pádraig Eric, 1895-1987 | Article in Journal | | 1960 |
| Nótaí ar 'Ag Críost an Síol' | Ó Murchú, Séamus | Article in Journal | | 2010 |
| Nótaí beathaisnéise ar an Dr Séamas Ó Gallchobhair | Mac Murchaidh, Ciarán | Article in Journal | | 1998 |
| Notes from a diary : selected prose and poetry | Corbett, Anselm | Monograph or Collective Volume | Carmelite Order | 2003 |
| Notes of Mallow Parish in penal times | Kavanagh, Myra D. | Article in Journal | | 2018 |
| Notes of the history of the diocese of Dromore | Keenan, Patrick | Article in Journal | | 1989 |
| Nuns and monks at Hennessy's Road : Edmund Rice and the Presentation Sisters in Waterford | O'Neill, Assumpta | Article in Book | | 1994 |
| Nuns and their networks in early modern Galway | Cunningham, Bernadette | Article in Book | | 2016 |
| Nuns in Ireland, 1850-1900: female religious in the economy and society | Clear, Caitriona Mary | Thesis | | 1984 |
| Nuns in the Catholic church in Ireland in the nineteenth century | Fahey, Tony | Article in Book | | 1987 |
| Nuns' literacies in medieval Europe : the Kansas City dialogue | | Monograph or Collective Volume | Brefols | 2015 |
| Nurses, nuns and ladies : a study of class, ethnicity and religion in the Crimean war | Egan, Moira E. | Article in Book | | 2004 |
| Nursing sisters in the Civil War : the New York aspect | Higgins, James | Article in Journal | | 1999 |
| O curas hominum! The life and writings of Thomas Carve, alias Carew, 1590-c.1672 | McInerney, Luke | Article in Book | Four Courts Press | 2024 |
| Ó gheamhar go cruithneacht : beatha Mhaighréad Aighleart | Ní Chumhaill, Áine | Monograph or Collective Volume | Foilseacháin Ábhair Spioradálta | 1990 |
| O'Brien, John Alysius (1878-1956) | Ronald, Heather | Article in Journal | | 1998 |
| O'Growney - one hundred years on | Ó Muirí, Damien | Article in Journal | | 1994 |
| O'Hanlon of 'The Irish Saints' | Carey, F. P. | Article in Journal | | 1955 |
| Obispos irlandeses y la Monarquía Hispánica en el siglo XVI | García Hernán, Enrique | Article in Book | | 2003 |
| Obituaries. William J. Hayes | Butler, John | Article in Journal | | 2024 |
| Obituary : Father T. Corcoran, S.J. 1872-1943 | Anonymous | Article in Journal | | 1943 |
| Obituary : Monsignor P. J. Brophy (1919-1998) | McK., D. W. | Article in Journal | | 1998 |
| Obituary : Rev Donal Kerr, S.M. 1927-2001 | L., C. | Article in Journal | | 2001 |
| Obituary : Rev. Timothy Corcoran, S. J. | Anonymous | Article in Journal | | 1946 |
| Obituary : V. Rev. Canon Meehan, P.P., Kilronan | Anonymous | Article in Journal | | 1945 |
| Obituary : V. Rev. Edward Leen | O'Carroll, Michael | Article in Journal | | 1945 |
| Obituary and Bibliography of Hugh Fenning OP | Cunningham, John M. | Article in Journal | | 2020 |
| Obituary. Fr. Paddy Gallagher | King, C. A. | Article in Journal | | 1996 |
| Obituary. Patrick J. Corish 1921-2013 | O'Connor, Thomas | Article in Journal | | 2014 |
| Obituary. Patrick J. Corish, 1921-2013 | Editor, The | Article in Journal | | 2013 |
| Of the original and first institution of corbes, herenaghs and termon lands (1609) | Ussher, James, bishop, 1581-1656 | Article in Book | | 1770 |
| Oidheadh an Athar Ui Shíthigh | de Bhial, Tomás, 1884-1954 | Monograph or Collective Volume | The Stationery Office | 1954 |
| Old Blarney (special issue on the Sisters of Charity in Blarney 1892-1990) | Mulcahy, J. | Article in Journal | | 1991 |
| Old Ireland over here | Harrison, Jennifer | Article in Book | | 1999 |
| Oliver Plunkett, 2 : In his own words | Forristal, Desmond | Monograph or Collective Volume | Veritas | 1975 |
| On Father Francis MacMahon | | Article in Journal | | 1956 |
| On the formation of priests and the 1990 Synod of Bishops | O'Shea, Michael | Article in Journal | | 1990 |
| On the shape of the insular tonsure | Mc Carthy, Daniel P., 1945- | Article in Journal | | 2003 |
| 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 with the Clonard redemptorists | Grant, James | Monograph or Collective Volume | Columba | 2003 |
| Opposition to pilgrimage in tenth-century Ireland | Boyle, Elizabeth | Article in Book | | 2015 |
| Option for the poor : Irish Columbans in Lima, Peru | Collins, Neil | Article in Book | | 2015 |
| Ossory clergy and parishes : being an account of the clergy of the Church of Ireland in the Diocese of Ossory, from the earliest period, with historical notices of the several parishes, churches, etc. | Leslie, J. B. (James Blennerhassett) | Monograph or Collective Volume | Printed and published at the 'Fermanagh Times' Office by R.H. Ritchie | 1933 |
| Other martyrs | Anonymous | Article in Journal | | 1991 |
| Our country and our church : A charge delivered to the clergy of the Diocese of Meath at his sixth visitation, October 1882 | Plunket, Lord, bishop of Meath | Monograph or Collective Volume | Hodges, Figgis | 1882 |
| Our Lady Help of Christians parish church, Navan Road : celebrating 50 years 1952-2002 | Behan, Anthony P. (Tony) | Monograph or Collective Volume | Golden Jubilee Committee Church of Our Lady Help of Christians | 2002 |
| Our Lady's Hospice, Harolds Cross | Butler, Katherine | Article in Journal | | 1981 |
| Our Lady's, Henrietta Street, Dublin : accommodation for discharged female prisoners | Devlin, EileenO'Neill, BrídPrunty, Jacinta | Article in Book | | 2014 |
| Pádraig Ó Meachair agus Nioclás Mac Síthigh : dán agus amhrán um bheirt shagart | Ó Macháin, Pádraig | Article in Journal | | 2010 |
| Pádraig Ó Murchú : sagart tírghrách | de Vál, Séamas S. | Article in Journal | | 2016 |
| Pádraigín an Doiminiceach as Caiseal Mumhan [c. 1604-54] | Valkenburg, Augustine | Article in Book | | 1986 |
| Pádraigín Haicéad, O.P., 1604?-1654 | Valkenburg, Augustine | Article in Journal | | 1985 |
| Paisley | Maloney, EdPollak, Andy | Monograph or Collective Volume | Poolbeg | 1986 |
| Paisley : religion and politics in Northern Ireland | Bruce, Steve | Monograph or Collective Volume | Oxford University Press | 2007 |
| Papal letters and Irish clergy : Clogher before the Reformation | Jefferies, Henry A. | Article in Book | | 2005 |
| Papers of Richard Joachim Hayes, O. F. M., 1810-23, In Franciscan Library, Killiney : part 3, April 1816 | Giblin, Cathaldus | Article in Journal | | 1982 |
| Paris of the Irish | Lennon, M. J. | Article in Journal | | 1955 |
| Parish clergy since the 1700s | MacMahon, Bryan | Article in Book | | 2012 |
| Parish Priest of Dun Laoghaire honoured by The Equestrian Order of the Holy Sepulchre of Jerusalem | Anonymous | Article in Journal | | 2005 |
| Parish priests and church of St. Mary's, 1320-1984 | Pike, Dan | Monograph or Collective Volume | The author | 1984 |
| Parish priests and churches of St. Mary's, 1320-1984 | Pyke, Dan | Monograph or Collective Volume | The author | 1984 |
| Parish priests and curates of the parishes of Buttevant and Churchtown 1704-1953 | McCarthy, Jim | Article in Journal | | 1990 |
| Parish priests and curates who served in New Ross, 1669-2001 | Anonymous | Article in Book | | 2001 |
| Parish priests for 400 years | Murphy, Hilary | Article in Journal | | 1987 |
| Parish priests of Armagh since the Reformation | Ó Fiaich, Tomás | Article in Book | | 2013 |
| Parish priests of Armagh, 1752-1834 | Paterson, T. G. F. | Article in Book | | 2013 |
| Parish priests of Cloughjordan | Whyte, Edward | Article in Journal | | 1985 |
| Parish priests of Cloughjordan. Part iv | Whyte, Edward | Article in Journal | | 1996 |
| Parish priests of Cloyne | Kelleher, Thomas | Article in Book | | 1994 |
| Parish priests of Drangan & Cloneen, 1826-1993 | Hall, Michael | Article in Book | | 1993 |
| Parish priests of Kilmore | McKiernan, Francis | Article in Journal | | 1972 |
| Parish priests of Mullaghbawn | Ó Fiaich, Tomás | Article in Journal | | 1974 |
| Parishes and pastoral care in the early Tudor era | Jefferies, Henry A. | Article in Book | | 2006 |
| Parochial development in the deanery of Ardagh | Dove, Michael R. | Article in Journal | | 1990 |
| Parson, priest and master : national education in Co. Meath, 1824-41 | Connell, Paul | Monograph or Collective Volume | Irish Academic Press | 1995 |
| Parsons, priests and politics : Anthony Trollope's Irish clergy | Johnston, Conor | Article in Journal | | 1990 |
| Parsons, priests and the people : the rise of Irish anticlericalism, 1785-9 | Burns, R. E. | Article in Journal | | 1962 |
| Past and present : the Presentation Convent and Tullow Street | Byrne, Annie C. | Article in Journal | | 1999 |
| Pastor | Kelly, Francis | Article in Journal | | 1997 |
| Pastor James Hodge [of Ballykeel] (1856-1928) | Grant, J. R. | Article in Journal | | 1986 |
| Pastoral care and moral government : early nineteenth century nursing and solutions to the Irish question | Nelson, S. | Article in Journal | | 1997 |
| Patriarch of Cloyne : the career of Dean O Regan, 1808-1898 | O'Sullivan, Patrick | Article in Journal | | 1989 |
| Patrick Boyle, the Irish Colleges and the historiography of Irish Catholicism | Chambers, Liam | Article in Book | | 2013 |
| Patrick James O'Byrne, Dean of Armagh (1810-19) and the contemporary scene | Tohall, Patrick | Article in Book | | 2013 |
| Patrick James O'Byrne, dean of Armagh, 1810-19, and the contemporary scene | Tohall, Patrick | Article in Journal | | 1954 |
| Patrick McAlister : Bishop of Down and Conor, 1886-95 | Macaulay, Ambrose | Monograph or Collective Volume | Four Courts | 2006 |
| Patrick Morgan MacSweeney (1873-1935) | Ní Úrdail, Meidhbhín | Article in Book | | 2024 |
| Patrick Murray : the man and his writings | McNamara, Kevin | Article in Journal | | 1982 |
| Patriotic opinions of some Munster priests, 1847-1882 | Collins, John T. | Article in Journal | | 1959 |
| Patronage and poverty in county Down : the case of Patrick Bronte | Adams, Amber M. | Article in Journal | | 1987 |
| Patrons and architects and the creation of Roman Catholic church architecture in nineteenth-century Dublin | Grimes, Brendan | Article in Journal | | 2015 |
| Patrún na Rinne agus scoil na Rinne mar is cuimhin liom iad | Ó Muirithe, Tomás | Article in Journal | | 2000 |
| Paul Cullen and the Irish College, Paris | Chambers, Liam | Article in Book | | 2011 |
| Paul Higgins, a man of legend in Killea | Hayes, William J. | Article in Journal | | 1995 |
| 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 |
| Pedro Sinnot : la obra intelectual de un clérigo Irlandés en España | Velasco Moreno, Eva | Article in Book | | 2000 |
| People, priests and prelates : ecclesiastical democracy and the tensions of trusteeism | Carey, Patrick | Monograph or Collective Volume | # | 1987 |
| People, priests and prelates : ecclesiastical democracy and the tensions of trusteeism | Casey, Patrick | Monograph or Collective Volume | University of Notre Dame Press | 1987 |
| Perceptions of femininity in early Irish society | Oxenham, Helen | Monograph or Collective Volume | Boydell Press | 2016 |
| Peregrini in the ocean : spirituality and reality | Wooding, Jonathan M. | Article in Book | | 2015 |
| Perennial Problems of Scottish Catholics : Morale, Personnel and Money | Aspinwall, Bernard | Article in Book | | 2002 |
| Peter Connolly (1927-1987) | Egan, Desmond | Article in Journal | | 1987 |
| Peter E. Magennis, priest and patriot, 1868-1937 | O'Dwyer, Peter | Monograph or Collective Volume | Carmelite Publications | 1975 |
| Peter Woods : the blind preacher at Bergen Hill | Noll, William T. | Article in Journal | | 1984 |
| Peter Yorke and progressionism in California, 1908 | Walsh, James P. | Article in Journal | | 1975 |
| Peter's pence : official Catholic discourse and Irish nationalism in the nineteenth century | Taylor, Lawrence J. | Article in Journal | | 1993 |
| Petition from parishioners of Blanchardstown to Archbishop Murray concerning clerical appointments, 1826 | Cronin, Elizabeth M. | Article in Journal | | 2002 |
| Pierre Drelincourt : l'exil en Angleterre et en Irlande | McKee, Jane | Article in Journal | | 1991 |
| Pilgrimage of an Irish priest to the holy land in 1822 | Faulkner, Anselm | Article in Journal | | 1952 |
| Pitch my tent in the Lord : memories of Fr Michael Morahan, S.J. | Faherty, Padhraic | Monograph or Collective Volume | P. Faherty | 1993 |
| Pól Ó hUiginn | Ó Fiaich, Tomás | Article in Journal | | 1976 |
| Poor Clares, Galway, 1642-1992 | O'Brien, Celsus | Monograph or Collective Volume | Poor Clares | 1992 |
| Popish clergy in the diocese of Derry in 1704 | Ó Doibhlin, Diarmaid | Article in Journal | | 1980 |
| Portrait of a mythographer : discourses of identity in the work of Father James McDyer | Quinn, E. Moore | Article in Journal | | 2003 |
| Post-Reformation pastors of Fochart | Mac Íomhair, Diarmuid | Article in Journal | | 1978 |
| Preached at Saint Patrick's : sermons from different ages | | Monograph or Collective Volume | Four Courts | 2004 |
| Preaching history, 1749: the Belfast sermons of Gilbert Kennedy and James Saurin | Gillespie, Raymond | Article in Book | NA | 2017 |
| Preaching in Belfast, 1747-72 : a selection of the sermons of James Saurin | | Monograph or Collective Volume | Four Courts|Representative Church Body Library | 2015 |
| Preaching Presbyterian style : James Alexander of Convoy | Armstrong, Robert | Article in Book | | 2013 |
| Presbyterian clergymen and the county Down rebellion of 1798 | Bailie, W. D. | Article in Book | | 1998 |
| Présence et culte de clercs irlandais et bretons entre Loire et Monts Jura | Kerlouégan, François | Article in Book | | 1995 |
| Presentation College Glasthule, 1903-2007 | Hiskey, Andrew | Article in Journal | | 2007 |
| Presentation Convent burial ground, Maynooth | Riordan, Peter J. | Article in Journal | | 1998 |
| 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 |
| Priest and layman in Ireland, 1 : the past | Heaney, Henry | Article in Journal | | 1966 |
| Priestly fictions : popular Irish novelists of the early 20th century. Patrick A. Sheehan, Joseph Guinam, Gerald O'Donovan | Candy, Catherine | Monograph or Collective Volume | Wolfhound Press | 1995 |
| Priests and Parishes | Champ, Judith | Article in Book | Oxford University Press | 2023 |
| Priests and people in Kilmore, 1800-1950 | Galloghy, Dan | Article in Journal | | 1995 |
| Priests and people in modern Irish history | Murphy, John A. | Article in Journal | | 1969 |
| Priests and political activity in county Clare, 1800-1829 | Murphy, Ignatius | Article in Journal | | 1984 |
| Priests and prelates of Armagh in the age of reformations, 1518-1558 | Jefferies, Henry A. | Monograph or Collective Volume | Four Courts | 1997 |
| Priests and privileged communications | Lee, Gerard A. | Article in Journal | | 1946 |
| Priests and proselytism in 19th-century Dublin | Johnson, Máirín | Article in Book | | 1992 |
| Priests and religious of Killaloe parish, Co. Clare | Kierse, Sean | Monograph or Collective Volume | Boru Books | 2000 |
| Priests in the independence movement of '98 | Hayes, Richard J., 1902- | Article in Journal | | 1945 |
| Priests in the independence movement, 1796-8 | Ronan, Myles V. (Myles Vincent) | Article in Journal | | 1946 |
| Priests of 'ninety-eight' | de Vál, Seamus S. | Article in Journal | | 1997 |
| Priests of Armagh, 1834-2013 | Ó Fiaich, Tomás | Article in Book | | 2013 |
| Priests of Artrea | Ó Doibhlin, Diarmaid | Article in Journal | | 1980 |
| Priests of Derry 1820-1905 | Daly, Edward | Article in Journal | | 1980 |
| Priests of the diocese of Kilmore : Father Felix McCabe (c.1750-1816) | O'Connell, Philip | Article in Journal | | 1961 |
| Priests of the diocese of Kilmore : Father Michael Smith, candidate for the bishopric of Kilmore | McKiernan, Francis | Article in Journal | | 1961 |
| Priests who died in the great famine | Grace, Daniel | Article in Journal | | 1997 |
| Priests who worked in upper Larah | Cunningham, T. P. | Article in Journal | | 1978 |
| Priests' residences in later medieval Ireland | Bermingham, Helen | Article in Book | | 2006 |
| Priests, pagans and place-names | Falvey, Anne | Article in Journal | | 1997 |
| Priests, publicans and the Irish poor : ethnic enterprise and migrant networks in mid-nineteenth-century Liverpool | Belchem, John | Article in Journal | | 2005 |
| Professor F. X. Martin O.S.A. (1922-2000) | W., P. F. | Article in Journal | | 2000 |
| Prosopography of Irish students admitted to the Irish College, Rome, 1628-1798 [with index] | Binasco, MatteoOrschel, Vera | Article in Journal | | 2013 |
| Protestant, Catholic and Dissenter : the clergy and 1798 | | Monograph or Collective Volume | Columba | 1997 |
| Proudly Irish : Susan Carthy of Bawnboy | Mannion, Patricia Jean | Article in Journal | | 1991 |
| Provision of books for Poor Clergy Parochial Libraries in the British Isles and the North American Colonies, 1680-1720 | Jacob, W. M. | Article in Journal | | 2004 |
| Public presence, public silence : nuns, bishops, and the gendered space of early Chicago | Brosnan, K. A. | Article in Journal | | 2004 |
| Publications of Irish interest published by Irish authors on the Continent of Europe prior to the eighteenth century | McNeill, Charles | Article in Journal | | 1930 |
| Pulpits and politics : anti-Catholicism in Boston in the 1880s and 1890s | Kennedy, Laurence | Article in Journal | | 2000 |
| Putting hand to the plough : a memoir | O'Callaghan, Denis | Monograph or Collective Volume | Veritas | 2007 |
| Putting women in order: A comparison of the medieval women religious of Ballymore-Loughsewdy and Prémontré | Seale, Yvonne | Article in Book | | 2023 |
| R. F. G. Holmes : a checklist of his writings, 1965-2002 | Erskine, John | Article in Book | | 2002 |
| Rabharta agus mallmhuir i mBéal Feirste | Mac Maoláin, Breandán | Monograph or Collective Volume | Coiscéim | 2016 |
| Radicals and revivals : a tribute to W. Desmond Bailie | Bailie, W. D.Smith, Ivor F. | Monograph or Collective Volume | Presbyterian Historical Society` | 2006 |
| Raphoe clergy and parishes : being an account of the clergy of the Church of Ireland in the Diocese of Raphoe, from the earliest period, with historical notices of the several parishes, churches, etc. | Leslie, J. B. (James Blennerhassett) | Monograph or Collective Volume | Printed for the author at the 'Fermanagh Times' Office by R.H. Ritchie | 1940 |
| Rathcoole : 1799 parish priest transported to Australia | Moloney, Maeve Mulryan | Article in Journal | | 1999 |
| Rathmore Church, Co. Meath | Leask, H. G. (Harold G.) | Article in Journal | | 1933 |
| 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 | Sharp, John | Monograph or Collective Volume | Veritas | 1989 |
| Reapers of the harvest : the Redemptorists in Great Britain and Ireland, 1843-1898 | Sharpe, John | Monograph or Collective Volume | [s.n.] | 1989 |
| Rebel, priest and prophet : a biography of Dr. Edward McGlynn | Bell, Stephen | Monograph or Collective Volume | Hyperion | 1975 |
| Rebels with a cause : obedience, resistance and convent life, 1800–1940 | Raftery, Deirdre | Article in Journal | | 2013 |
| Recalling the past | Power, William | Article in Journal | | 2001 |
| 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 |
| Recollections of a writer by accident | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Kingdom Books | 2002 |
| 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 Most Rev. E. J. Galvin (1882-1956) | O'Mahony, Sean | Monograph or Collective Volume | [s.n.] | 2000 |
| Rectors of St Paul's | Quain, James T. | Article in Journal | | 1985 |
| Rectors of Trim - fourteenth and fifteenth centuries | Kelly, Joseph P. | Article in Journal | | 1966 |
| Reforming Irish manners : the religious societies in Dublin during the 1690s | Barnard, T. C. (Toby Christopher) | Article in Journal | | 1992 |
| Relations between the French, Irish and Scottish clergy in the maritime provinces, 1774-1836 | Wade, Mason | Article in Journal | | 1972 |
| Religion and identity - the Irish dillema | O'Connor, Thomas | Article in Journal | | 1999 |
| Religious communities of women in the west : the Presentation sisters' adaptation to the northern plains frontier | Peterson, Susan | Article in Journal | | 1982 |
| Religious life - then and now | Anonymous | Article in Journal | | 2001 |
| Religious life in New York during the revolutionary war | Pointer, Richard | Article in Journal | | 1985 |
| Religious orders and congregations in the diocese of Ferns | De Vál, Seamus S. | Article in Book | | 1999 |
| Religious women and their history : breaking the silence | | Monograph or Collective Volume | Irish Academic Press | 2005 |
| Remarkable, but still true : the story of the Revd R J Barlow and Hutton Rudby in the time of the cholera | Barrigan, Alice | Monograph or Collective Volume | Westgate Publishing | 2007 |
| Remedies proposed for the Church of Ireland (1697) | | Article in Journal | | 1959 |
| Remembering Canon McGarry | Ryan, ThomasStuart, Imogen | Article in Journal | | 1980 |
| Remembering Monsignor P. J. Brophy, a talk he gave to the Old Carlow Society in the 1950s | Brophy, P. J. | Article in Journal | | 2002 |
| Repeal and the Roman Catholic clergy in county Meath 1840-1845 | Connell, Paul | Article in Journal | | 1984 |
| Repeal, popular politics, and the Catholic clergy of Cork, 1840-50 | Cronin, Maura (née Murphy) | Article in Journal | | 1977 |
| Report on the archives of the Sisters of Our Lady of Charity and Refuge | Perry, Victoria | Article in Journal | | 2007 |
| Rev Dr John Yarner's notebook : religion in Restoration Dublin | | Article in Journal | | 1998 |
| Rev. Alexander McWhidd : a seventeenth-century minister in Knockbride, Co. Cavan | Barron, Thomas J. | Article in Journal | | 1959 |
| Rev. Anthony Tanner 1692-1741, minister of Holmpatrick and vicar of Balscadden | Ní Mhurchadha, Maighréad | Article in Journal | | 2000 |
| Rev. Daniel Eneas Coyle, P.P. pastor and church builder | Coyle, Francis P. | Article in Journal | | 2012 |
| Rev. Daniel W. Cahil D. D., 1796-1864 | Smith, Peter | Article in Journal | | 1999 |
| Rev. Devereux Spratt | Power, Ita | Article in Journal | | 1992 |
| Rev. Dr John Boyce ('Paul Peppergrass' 1810-1864) | McNamara, G. M. | Article in Journal | | 1965 |
| Rev. Edmund Hogan, S.J. | Hogan, William | Article in Journal | | 1965 |
| Rev. F. C. Gibson (1874-1953) : man of the maintained glow | Carson, John T. | Article in Journal | | 1987 |
| Rev. Francis Hales | Anonymous | Article in Journal | | 1988 |
| Rev. George Brittaine (1788-1848) Rector of Kilcommock and novelist | O'Ferrall, Fergus | Article in Journal | | 2007 |
| Rev. James O'Coigley, United Irishman | Simms, Samuel | Article in Journal | | 1937 |
| Rev. John Smyth C.C. (1791-1858) | Kingston, John | Article in Journal | | 1971 |
| Rev. Louis O'Kane (1905-1973) and his revolutionary recordings of Irish Volunteers : Aspects of south and east Tyrone on tape | McAnallen, Dónal | Article in Journal | | 2016 |
| Rev. Professor T. A. Finlay, S. J. | O'Brien, George, 1892-1973 | Article in Journal | | 1940 |
| Rev. Thomas MacNamara | Kelly, Joseph P. | Article in Journal | | 1974 |
| Rev.William Hawkes. Archaeologist and historian | Grogan, Mary | Article in Journal | | 2020 |
| Revd Charles Bunworth of Buttevant : patron of harpers and poets | Ó Catháin, Diarmaid | Article in Journal | | 1997 |
| Revd John Richardson (c. 1669-1747) : County Cavan rector and Irish-language enthusiast | Barnard, T.C. (Toby Christopher) | Article in Book | | 2014 |
| Reverend Charles Gillis (1821-1903) | McSparran, Malachy | Article in Journal | | 2004 |
| Reverend Christopher Vowell : the first vicar of Charleville | Holloway, Estelle | Article in Journal | | 1989 |
| Reverend Henry Cooke as a politician | Jamison, John | Article in Journal | | 1957 |
| Reverend James Parle (1811-1870) | De Vál, Seamus S. | Article in Journal | | 1995 |
| Reverend Richard Lyttle : a Home Rule Protestant | Thompson, H. | Article in Journal | | 1986 |
| Review article. 'The riddle of Father Hackett : a life in Ireland and Australia' , by Brenda Niall, Canberra: National Library of Australia, 2009, pp.320 | Murphy, Brian P., OSB | Article in Journal | | 2010 |
| Review of Mooney (C.), 'Boethius Mac Egan of Ross' 1950 | Grosjean, Paul | Article in Journal | | 1951 |
| Revisionism or reality? Daniel Mannix in ADB 10 | Griffin, James | Article in Book | | 1996 |
| RFGH : a personal profile | McIvor, Stanley | Article in Book | | 2002 |
| Riaghuil Threas Uird S. Froinsias | Conny, Bernard | Monograph or Collective Volume | NA | 1641 |
| Ricardo Wall, the forgotten minister of the eighteenth century | Téllez Alarcia, Diego, 1975- | Article in Book | | 2008 |
| Richard Baptist O'Brien, dean of Limerick (1809-1885) | Manley, Edward Joseph | Thesis | | 1991 |
| Richard Canon Aylward | Walton, Julian | Article in Journal | | 1978 |
| Richard Chenevix Trench 1807-1886 | Milne, Kenneth | Monograph or Collective Volume | Church of Ireland Historical Society | 2010 |
| Richard Ferris, 1754-1828 | Purcell, Mary | Article in Journal | | 1985 |
| Richard Latewar, Elizabethan poet and divine : with three unpublished poems | Höltgen, K. J. | Article in Journal | | 1971 |
| Richard Whately : religious controversialist of the nineteenth century | McKerrow, R. E. (Ray E.) | Article in Journal | | 1979 |
| Rinuccini in Galway, 1647-49 | O'Riordan, Seán | Article in Journal | | 1948 |
| Rival vicars : disputed jurisdiction in Limerick, 1654-1671 | Millett, Benignus | Article in Book | | 1967 |
| Robert agus Roger Francis Cooke : sagairt nua-aimseartha sa naoú haois déag | Ó Cadhla, Breandán | Article in Journal | | 2013 |
| Robert Dawson (1589-1643), bishop of Clonfert and Kilmacduagh | Wiseman, W. G. | Article in Journal | | 1990 |
| Robert Dolling : et blad af den engelske statskirkes historie i det 19. aarhundrede | Thomsen, Richard | Monograph or Collective Volume | | 1908 |
| Roman Catholic nuns in England and Wales, 1800-1937 : a social history | Walsh, Barbara, 1932- | Monograph or Collective Volume | Irish Academic Press | 2002 |
| Rome and Irish Catholicism in the Atlantic World, 1622–1908 | NA | Monograph or Collective Volume | Palgrave Macmillan | 2019 |
| Roscommon Franciscan friary: a brief encounter | McDermott, Yvonne | Article in Journal | | 2019 |
| Roscrea and a centenary : Convent of the Sacred Heart 1842-1942 | Brown, Stephen J. | Article in Journal | | 1942 |
| Sagairt an Leasa | Ó Macháin, Pádraig | Article in Journal | | 1999 |
| Sagairt chróga Fhearna | de Vál, Séamas S. | Monograph or Collective Volume | Foilseacháin Ábhair Spioradálta | 2019 |
| Sagairt Ghaodhlacha | Ó Láimhín, T. | Article in Journal | | 1940 |
| Sagart gan iomrá; an tAthair Séamus Ó hEargáin | Ua Cnáimhsí, Pádraig | Article in Journal | | 1996 |
| Saint Bonaventure of Bagnoregio, O.Min 1221-1274 | Crowley, Theodore | Article in Journal | | 1975 |
| Saint Gobnet, abbess of Ballyvourney | Harris, Dorothy C. | Article in Journal | | 1938 |
| Saint James and Father Tom : a saint and his priest | | Monograph or Collective Volume | Fr. Tom Lawlor Memorial Committee | 2004 |
| Saint na Cléire mar Mhóitíf sa Traidisiún Béil | Ó Héalaí, Pádraig | Article in Journal | | 2024 |
| Saint Oliver Plunkett and the diocese of Raphoe | Ó Fiaich, Tomás | Article in Journal | | 1975 |
| Salutatio-Omós. A tribute for Very Rev. Canon Edward J. Whyte, retired P.P. Cloughjordan, on the occasion of his golden jubilee | Murphy, Donal A. | Article in Journal | | 1996 |
| Samuel Haughton, 1821-1897 | McMillan, Norman | Article in Book | | 2003 |
| Scholars and antiquarians : the clergy and learning, 1600-2000 | Barnard, T. C. (Toby Christopher) | Article in Book | | 2006 |
| Scots and Irish clergy ministering to immigrants 1830-1878 | Aspinwall, Bernard | Article in Journal | | 1996 |
| Scots and Irish clergy ministering to immigrants, 1830-1878 | Aspinwall, Bernard | Article in Journal | | 1996 |
| Scoundrels all -- priests and prelates in '98 | Keogh, Dáire | Article in Book | | 1998 |
| Seán Ó Colmáin, easpag Armidale san Astráil | Ó Maidín, Uinseann | Article in Journal | | 2014 |
| Select document : The last will and testament of Diarmaid Ó Conchobhair, prior of Cluain Tuaiscirt na Sionna | Thornton, David E. | Article in Journal | | 2024 |
| Seventeenth-century translations of the Rule of St Clare: Part I | Goodrich, JaimeGrealy, Faustina | Article in Journal | | 2019 |
| Sewing & lace school - Convent of Mercy, Newry | Durkin, De Sales, Sr | Article in Journal | | 1979 |
| Shay Colm's footsteps trod | Canning, B. J. (Bernard J.) | Article in Journal | | 1993 |
| 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 |
| Silbheaster Ó Coinne | Ó Muireadhaigh, Lorcán, an tAth. | Article in Book | | 2013 |
| Silvester Goonan's sermons | Tynan, Michael | Article in Journal | | 1984 |
| Simon Fitzsimon's journey to the Holy Land in 1323 | Krasnodebska-D'Aughton, Malgorzata | Article in Book | | 2015 |
| Sinister sisters? The portrayal of Ireland's Magdalene asylums in popular culture | McCormick, Leanne | Article in Journal | | 2005 |
| Sint-Truiden : Irish Franciscan documents | | Article in Journal | | 1963 |
| Sister act | O'Loughlin, Thomas | Article in Journal | | 1994 |
| Sister Genevieve | Rae, John | Monograph or Collective Volume | Little Brown | 2001 |
| Sister Ina O'Donovan | O'Donovan, Donal | Article in Journal | | 2011 |
| Sister Mary Joseph Croke : another voice from the Crimean War, 1854-1856 | Doona, Mary Ellen | Article in Journal | | 1995 |
| Sister Mary Michael Mongey : China's merry missionary | Hannaway, Ita | Article in Book | | 2015 |
| Sister Mary Paul | Wynne, Tony | Article in Journal | | 1998 |
| Sister Teresa Maher (1824-1877), from Leighlin to Cincinnati | McKenna, Dermot | Article in Journal | | 2000 |
| Sisters of Mercy, Newport, 1901-2001 | O'Toole, ConsilioOthers | Monograph or Collective Volume | Sisters of Mercy | 2001 |
| Sisters of Mercy, Skibbereen 1860-2004 | Cahalane, Maura | Article in Journal | | 2007 |
| Sisters of St John of God in Australia, 1895-1965 | Brennan, Mary M. | Thesis | | 2003 |
| 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 |
| Sixmilecross Parish : a brief historical account: thanksgiving for the Sesquicentenary, 1836-1986 | Murphy, Thomas | Monograph or Collective Volume | [Sixmilecross Parish] | 1986 |
| Sketches of a Victorian vicar : Narcissus Batt, 1824(?)-98 | Anglesea, Martyn | Article in Journal | | 1983 |
| Sliocht Lachlain Maguire (1300-1600). Ecclesiastics of the Erne | Schlegel, Donald M.
| Article in Journal | | 2013 |
| Smaointe ar rogha aistriúchán an Doibhlinigh | Ó Gormaile, Pádraig | Article in Book | | 2007 |
| Soggarth Aroon and Gombeen-Priest : Canon James MacFadden (1842-1917) | Mac Suibhne, Breandàn | Article in Book | | 1998 |
| Some aspects of the Reformation in Armagh province | Silke, John J. | Article in Journal | | 1984 |
| Some broadsides, chiefly from Cork, 1709-1821 | Fenning, Hugh | Article in Journal | | 1996 |
| Some Carpenter certificates in Madrid | McBride, Patrick P. | Article in Journal | | 1955 |
| Some Cavan Franciscans of the past | Mooney, Canice | Article in Journal | | 1958 |
| Some Clogher clergy of the eighteenth century | Brady, John, d.1963 | Article in Journal | | 1957 |
| Some county Cavan priests in Connecticut | O'Connell, Philip | Article in Journal | | 1965 |
| Some Ferns missionaries of bygone days | Gahan, John | Article in Book | | 1999 |
| Some inquisitions relating to Louth clergy during the reign of Henry VIII | | Article in Journal | | 1959 |
| Some Irish clerical subscribers 1800-24 | Fennessy, Ignatius | Article in Journal | | 1994 |
| Some Irish nuns in 18th century France | Barnwell, S. B. | Article in Journal | | 1991 |
| Some Irish/Welsh Methodist links | Cooney, Dudley A. Levistone | Article in Journal | | 2000 |
| Some Irishmen in Belgium in past centuries | Antheunis, Louis | Article in Journal | | 1954 |
| Some Kilmore clergy of the 17th and 18th centuries | Brady, John, d.1963 | Article in Journal | | 1960 |
| Some Leitrim Franciscans of the past | Mooney, Canice | Article in Journal | | 1961 |
| Some letters from St John Henry Newman arising from his denunciation of Giacinto Achilli | Cunningham, John M. | Article in Journal | | 2020 |
| Some letters of John P Leahy O.P., regarding 'The Obnoxious Clause' of the Catholic Relief Bill 1829 | Cunningham, John M.
| Article in Journal | | 2022 |
| Some lists of Irish Franciscans in Prague 1656-1791 | Millett, Benignus | Article in Journal | | 1994 |
| Some lists of Kerry priests, 1750-1835 | De Brún, Pádraig | Article in Journal | | 1985 |
| Some lists of priests in Ireland, 1684-94 | | Article in Journal | | 1985 |
| Some MSS of Fr Thomas Lindlay Murray, P.P., Inniscara 1868-1891 | Whelton, Michael John | Article in Journal | | 2000 |
| Some northern churchmen and some notes on the Church in Belfast | MacNeice, John Frederick | Monograph or Collective Volume | Church of Ireland Printing & Publishing Co. Ltd | 1934 |
| Some notable Kerry clergymen in the Established Church of Ireland | O'Carroll, Gerald | Article in Journal | | 2005 |
| Some noted priests of yesterday | Cassidy, James F. (James Francis), b. 1890 | Monograph or Collective Volume | Talbot Press | 1940 |
| Some notes on Kilmactalway Co. Dublin | McCabe, Brian | Article in Journal | | 2022 |
| Some parish priests of the diocese of Killaloe and some puzzles of local history | Anonymous | Article in Journal | | 1939 |
| Some priests and parsons of the Clones area, 1620-1840 | Ó Mórdha, Pilip | Article in Journal | | 1977 |
| Some priests' graves in Kilmurry old churchyard | MacHale, E. | Article in Journal | | 1990 |
| Some priors of Fore, Co. Westmeath | Seymour, St. John D. | Article in Journal | | 1934 |
| Some records of a Cistercian abbey : Holm Cultram, Cumberland | | Monograph or Collective Volume | | 1899 |
| Some unpublished Barry charters | | Article in Journal | | 1972 |
| Some unpublished letters of Mateo de Oviedo, archbishop of Dublin | | Article in Journal | | 1955 |
| Soul sisters: Two Irish holy women in their late antique context | Swift, Catherine | Article in Book | | 2023 |
| Sources for Church of Ireland clergy | Refaussé, Raymond | Article in Journal | | 2002 |
| Sources for the history of the clergy of a diocese : seventeenth century Clogher | Gallagher, Patrick | Article in Journal | | 1957 |
| South Dublin Union, 1847-52 : chaplain's report | Meagher, John J. | Article in Journal | | 1971 |
| Speech made by the Most Rev. Dr. O'Dwyer on the occasion of the conferring on him of the freedom of the city of Limerick, September 1916 | O'Dwyer, Edward | Article in Journal | | 1942 |
| Spioradáltacht Thamhlachta | Ó Fiannachta, Pádraig | Article in Book | | 1977 |
| Sr Katherine Mulquin | Anonymous | Article in Journal | | 1988 |
| Sr. M. Helen Dineen | Dinneen, Bridie | Article in Journal | | 1989 |
| St Bernard's Church, Abbeydorney golden jubilee 1968-2018 | Abbeydorney Parish Pastoral Council | Monograph or Collective Volume | Abbeydorney Parish Pastoral Copuncil | 2018 |
| St Finian's College, Navan and Mullingar | McCormack, Christopher F. | Article in Journal | | 2017 |
| St George and Dill : a study of two Dromore clergymen | McDonnell, Pat | Article in Journal | | 1989 |
| St Isidore's: Rome and Donegal | Canning, B. J. (Bernard J.) | Article in Journal | | 2012 |
| St Ita of Killeedy and spiritual motherhood in the Irish hagiographical tradition | Bledsoe, Jenny C. | Article in Journal | | 2012 |
| St Joseph's Church, Pontzpass : parish of Ballymore and Mullabrack, Armagh Archdiocese : its parish priests and curates, 1788-1996 | Anderson, Michael | Monograph or Collective Volume | The author | 1996 |
| St Joseph's Convent of Mercy, Kinsale : a celebration of 150 years, 1844-1994 | Hurley, Frank | Monograph or Collective Volume | Frank Hurley | 1994 |
| St Laurence's Parish Centre, Kilmacud | Chambers, Philip | Article in Journal | | 2019 |
| St Louis Convent and High School: a hundred years in Rathmines | Ní Thiarnaigh, Éilís | Article in Journal | | 2014 |
| St Mary's Dominican Convent, Dun Laoghaire | Power, Noirin | Article in Journal | | 2007 |
| St Mary's, Dunmanway, Cork : initiatives in education | Sweeney, Claire | Article in Book | | 2014 |
| St Nicholas' parish church, Lisburn Road, Belfast : 75th anniversary | | Monograph or Collective Volume | [St Nicholas' Parish Church] | [1976] |
| St Vincent's Church and the Vincentians in Cork | O'Callaghan, Antóin | Article in Journal | | 2025 |
| St Vincent's Hospital, Fairview, Dublin : from lunatic asylum to therapeutic intervention | Prunty, Jacinta | Article in Book | | 2014 |
| St Vincent's, Cabra, Dublin : opening the door to education for children with special needs | Sweeney, Claire | Article in Book | | 2014 |
| St. Andrew's, Inishargy, Balligan | Beckett, J. C. (James Camlin),Dunleath, LordJackson, C. T., | Monograph or Collective Volume | | 1967 |
| St. Anna's Church, MIllstreet : a history | Tangney, Denis | Monograph or Collective Volume | MIllstreet Museum Society | 1995 |
| St. Bernard of Clairvaux's Life of St. Malachy of Armagh | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Monograph or Collective Volume | | 1920 |
| St. Cuthbert, his Cult and his Community to AD 1200 | | Monograph or Collective Volume | | 1989 |
| St. Joseph's Church, Poyntzpass & its Parish Priests and Curates 1788 - 2002 | Anderson, Michael | Article in Journal | | 2009 |
| St. Macarten's contribution to the Maynooth mission to China | Smyth, Bernard T. | Article in Book | | 1940 |
| St. Patrick's Purgatory : Francesco Chiericati's letter to Isabella d'Este | Purcell, M. | Article in Journal | | 1987 |
| Stair Chumann na Sagart | Ó Fiaich, Tomás | Article in Journal | | 1988 |
| Stephen Slaughter : a minor British painter of the eighteenth century | Sewter, A. C. | Article in Journal | | 1948 |
| Strange sermons, 1840-41 : a turbulent priest in Barndarrig and Kilbride | Hannigan, Ken | Article in Journal | | 2015 |
| Students of the Irish College, Salamanca | O'Doherty, D. J. | Article in Journal | | 1914 |
| Succession lists of parish priests in the archdiocese of Dublin, 1771-1963 | O'Riordan, W. M. | Article in Journal | | 1971 |
| Succession of clergy in the parishes of S. Bride, S. Michael le Pole, and S. Stephen, Dublin : an appenix from the Preacher's Book, and a note on Dean Swift's birth-place | Carroll, W. G. | Monograph or Collective Volume | J. Charles and Son|Parker & Co. | 1884 |
| Súgán an dúchais: aistí ar ghnéithe de thraidisiún liteartha Chúige Uladh i gcuimhne ar Dhiarmaid Ó Doibhlin | | Monograph or Collective Volume | Éigse Cholm Cille | 2018 |
| Supplement to "Armagh clergy & parishes" : continuation of the biographical succession lists of the clergy of Armagh diocese up to 1947 with additions--pre-Reformation and post-Reformation and corrections and notes | Leslie, J. B. (James Blennerhassett) | Monograph or Collective Volume | W. Tempest | 1948 |
| Swift : an illustrated life | Arnold, Bruce | Monograph or Collective Volume | Lilliput Press | 1999 |
| Swift : an introduction | Quintana, Ricardo | Monograph or Collective Volume | Oxford University Press | 1955 |
| Swift : les années de jeunesse et le 'Conte du Tonneau' | Pons, Émile | Monograph or Collective Volume | | 1925 |
| Swift and his Ireland : a lecture | Trench, W. F. | Article in Journal | | 1938 |
| Swift and the Church of Ireland | Landa, Louis A., 1901- | Monograph or Collective Volume | Clarendon Press | 1954 |
| Swift of Dublin | Johnston, Denis | Article in Journal | | 1968 |
| Swift's life in late 1743 : an unpublished letter from Dean Swift | Fróes, Joao | Article in Book | | 2003 |
| Swift, God and power | De Porte, Michael | Article in Book | | 1995 |
| Swifts's deanery income : a new document | Landa, Louis A., 1901- | Article in Book | | 1949 |
| Synod of Bishops 1990 : formation of priests | Lovatt-Dolan, Elizabeth | Article in Journal | | 1990 |
| Tabula memorum | Connolly, Al | Article in Journal | | 1993 |
| Tabula memorum | Connolly, Al | Article in Journal | | 1994 |
| Tabula memorum (conclusion) | Connolly, Al | Article in Journal | | 1996 |
| Tadhg Ó Conaill | O'Dwyer, Peter | Article in Journal | | 1946 |
| Taking a stand : memoir of an Irish priest | McVeigh, Joe | Monograph or Collective Volume | Mercier Press | 2008 |
| Taking care of their own : Irish Catholics, health care and Saint Vincents Hospital | McCauley, Bernadette | Article in Journal | | 1993 |
| Tartaraghan precinct, north Armagh : an account of the district south of Lough Nenagh between the Rivers Bann and Blackwater | Fleming, W. E. C. | Monograph or Collective Volume | The author | 2006 |
| Taxation of the Irish Cistercian houses, c.1329-1479 | Conway, Colmcille | Article in Journal | | 1964 |
| Teacher, pastor and patriot | Bewglass, J. H. | Article in Journal | | 1969 |
| Teaching Sisters and transnational networks : recruitment and education expansion in the long nineteenth century | Raftery, Deirdre | Article in Journal | | 2015 |
| Teachtaireacht an Athar Eoghan | Ó Doibhlin, Breandán | Article in Journal | | 1964 |
| Teagasc an Athar de Bhál | Ó Macháin, Pádraig | Article in Journal | | 2007 |
| Telling the story: a dictionary of Killala clergy | Hoban, Brendan | Monograph or Collective Volume | Banley House | 2016 |
| Temperance, Father Mathew, and the Irish clergy | Townend, Paul | Article in Journal | | 1999 |
| Ten more priests | Nash, Robert | Monograph or Collective Volume | Clonmore & Reynolds | 1965 |
| Tens of thousands of nuns | Gandy, Michael | Article in Journal | | 2002 |
| That could never be : a memoir | Dalton, Kevin | Monograph or Collective Volume | Columba | 2003 |
| The "Irish Monastery" at North Salem, New Hampshire | Hencken, Hugh O'Neill | Article in Journal | | 1939 |
| The 'alarming' Edward Smyth | Roddie, Robin | Article in Journal | | 2000 |
| The 'chaplaincy question' at Belfast District Asylum, 1834-1870 | Griffiths, David V.Prior, Pauline M., | Article in Book | | 2012 |
| The 'papal letters to the Irish' cited by Bede : how did he get them? | Herren, Michael | Article in Book | | 2015 |
| The 1990 Synod of Bishops : priestly formation | Dalton, William | Article in Journal | | 1990 |
| The abbatial succession at Mellifont, 1142-1539 | Conway, Colmcille | Article in Journal | | 1961 |
| The Abbé Edgeworth (1745-1807) | Woodgate, M. V. | Monograph or Collective Volume | Browne and Nolan | 1945 |
| The Abbé MacGeoghegan dies | Le Juen, Yves | Article in Journal | | 1998 |
| The achievements of our Irish monks | Ryan, John | Article in Book | | 1963 |
| The appointments of the archbishops of Armagh in the nineteenth century | Macaulay, Ambrose | Monograph or Collective Volume | Cumann Seanchais Ard Mhacha | 2008 |
| The archbishops and administration of the diocese and province of Dublin, 1181-1298 | Murphy, Margaret | Thesis | | 1987 |
| The archbishops, bishops and priests who served in the archdiocese of Dublin in the eighteenth century | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Kingdom Books | 2013 |
| The archbishops, bishops and priests who served in the archdiocese of Dublin in the nineteenth century | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Kingdom Books | 2013 |
| The archdeacon of Kells | Brady, John, d.1963 | Article in Journal | | 1947 |
| The arrival of the Daughters of Charity of St Vincent de Paul to Drogheda, Ireland, November 1855 | Casey, CarmelPrunty, JacintaSherlock, Olivia | Article in Book | | 2014 |
| The attitude of the Irish Catholic clergy towards emigration during the great famine | MacDonagh, Oliver | Article in Journal | | 1947 |
| The autobiography of Gerald of Wales | Butler, Harold EdgeworthGerald, of Wales, c.1146-1220x23 | Monograph or Collective Volume | Boydell | 2005 |
| The autobiography of Giraldus Cambrensis | Gerald, of Wales, c.1146-1220x23 | Monograph or Collective Volume | Cape | 1937 |
| The Basnetts during the 16th and 17th centuries | Percival, S. T. B. | Article in Journal | | 1962 |
| The battle of Portarlington | Powell, J. S. (John Stocks) | Article in Journal | | 2004 |
| The beginnings of the Irish College, Rome | Corish, Patrick J. | Article in Book | NA | 1957 |
| The birthplace of Father Matt Keefe | Prendergast, Ella | Article in Journal | | 1987 |
| The bishop of Clogher's case | Micklewright, F. H. Amphlett | Article in Journal | | 1970 |
| The Book of the O'Conor Don and the manuscripts of St Anthony's College, Louvain | Breatnach, Pádraig A. | Article in Book | | 2010 |
| The Brigidine Sisters in Ireland, America, Australia and New Zealand, 1807-1922 | Power, Ann | Monograph or Collective Volume | Four Courts Press | 2018 |
| The Callan image | McLaughlin, P. J. | Article in Journal | | 1964 |
| 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 Carlow College priest : from Australasia to the Americas | McEvoy, John | Article in Book | | 2008 |
| The Carmelite nuns in Dublin, 1644-1829 | Kingston, John | Article in Journal | | 1964 |
| The case of Fr Nicholas Sheehy: priest, patriot, martyr. Hanged at Clonmel, March 1766 | O’Riordan, Edmund | Monograph or Collective Volume | Galty Cottage Books | 2014 |
| The case of the Cushendall schoolmaster | Buckley, Anthony D. | Article in Journal | | 1992 |
| The cathedral and chapter of Meath | Brady, John, d.1963 | Article in Journal | | 1939 |
| The cathedral church of St Fachtna, Ross | Webster, Charles A. | Monograph or Collective Volume | Guy & Co. | 1927 |
| The Catholic chaplaincy | Leonard, Jane | Article in Book | | 1986 |
| The Catholic Church and the Irish temperance movement, 1838-1901 | Malcolm, Elizabeth | Article in Journal | | 1982 |
| The Catholic church in county Kilkenny 1600-1800 | Ó Ferghail, Fearghus | Article in Book | | 1990 |
| The Catholic church in county Tipperary, 1700-1900 | Whelan, Kevin | Article in Book | | 1985 |
| The Catholic Church in the Diocese of Ardagh : 1650-1870 | Kelly, James, 1959- | Article in Book | | 1991 |
| The Catholic church since the Reformation | Kelleher, Thomas | Article in Book | | 1994 |
| The Catholic church, clergy and religion in the novels of Canon Sheehan | Fleischmann, Ruth | Article in Journal | | 2002 |
| The catholic clergy and popular politics in the dioceses of Cashel and Emly, 1823-48 | McGrath, Thomas G. | Thesis | | 1980 |
| The Catholic clergy and the great famine | O'Neill, Thomas Patrick | Article in Journal | | 1956 |
| The Catholic clergy and the independence movement | Ó Fiaich, Tomás | Article in Journal | | 1970 |
| The Catholic clergy and the social question in Ireland, 1891-1916 | MacMahon, Joseph A. | Article in Journal | | 1981 |
| The catholic clergy in Ireland, 1820-45 | Cahill, Brid | Thesis | | 1975 |
| The Catholic Directory for 1821 | Cunningham, P. | Article in Journal | | 1960 |
| The cell of the canonesses regular of St Augustine at Clonoghill | Moore, Arthur | Article in Journal | | 1969 |
| The Celtic cross : a collection of fifteen hundred years of devotion by Irish churchmen | Jackson, Robert Wyse | Monograph or Collective Volume | A.P.C.K. | 1954 |
| The centenary of the Pioneer Total Abstinence Association of the Sacred Heart | O'Hare, P. J. | Article in Journal | | 1999 |
| The challenge of Fr John Sullivan, S. J. | Savage, Roland | Article in Journal | | 1946 |
| The challenge of researching nuns' lives | Mac Curtain, Margaret | Article in Book | | 2019 |
| The chaplain in the war trenches. In memoriam : Fr Willie Doyle, SJ, Dalkeyman, 1873-1917 | Quinn, T. | Article in Journal | | 1995 |
| The church among two nations : Armagh on the eve of the Tudor reformations | Jefferies, Henry A. | Article in Journal | | 1998 |
| The church and the Famine | Kerr, Donal A. | Article in Book | | 1996 |
| The church in late medieval County Louth | Jefferies, Henry A | Article in Book | NA | 2023 |
| The Church of Ireland and the native Irish population in plantation Ulster | Ó hAnnracháin, Tadhg | Monograph or Collective Volume | University College Dublin | 2010 |
| The Church of Ireland clergy | Seery, JosephSeery, Séamus | Article in Journal | | 1997 |
| The Church of Ireland clergy, c. 1640 : representation and reality | Gillespie, Raymond | Article in Book | | 2006 |
| The church of Ireland in the fifteenth century : 4, medieval cathedral chapters | Hand, Geoffrey Joseph | Article in Journal | | 1956 |
| The church under the penal code | Brady, John, d.1963Corish, Patrick J. | Monograph or Collective Volume | Gill | 1971 |
| The clergy and disestablishment | Clarke, Richard | Article in Book | | 2006 |
| The clergy and religious reform in the sixteenth-century diocese of Meath | Scott, Brendan | Article in Journal | | 2006 |
| The clergy and the Connacht rebellion | Mulloy, Sheila | Article in Book | | 1997 |
| The clergy and the military in early modern Ireland | Andreani, AngelaHadfield, Andrew | Article in Book | | 2019 |
| The clergy and the schools | Milne, Kenneth | Article in Book | | 2006 |
| The clergy in Carlow during the 1798 insurrection | McKenna, Dermot | Article in Journal | | 1998 |
| The clergy of Blessed Oliver Plunkett | Mac Phóil, Donnchadha | Article in Journal | | 1959 |
| The Clergy of Down and Connor, 1400–1900 | | Monograph or Collective Volume | Ulster Historical Foundation|The Diocese of Down and Connor | 2020 |
| The clergy of Dublin in 1695 | MacGrath, Kevin | Article in Journal | | 1950 |
| The clergy of Oliver Plunkett | Mac Phóil, Donnchadha | Article in Journal | | 1984 |
| The clergy of Oliver Plunkett [part 5] | Campbell, Patrick J.Mac Phóil, Donnchadha | Article in Journal | | 1986 |
| The clergy of the Church of Ireland, 1000-2000 : messengers, watchmen and stewards | | Monograph or Collective Volume | Four Courts | 2006 |
| The clergy of the diocese of Derry : an index | Daly, EdwardDevlin, Kieran | Monograph or Collective Volume | Four Courts | 1997 |
| The clergy of the Diocese of Derry : an index | Daly, Edward
Devlin, Kieran | Monograph or Collective Volume | Four Courts | 2009 |
| The clergy of the parish of Dunleer | Faulkner, Pádraig | Article in Journal | | 1994 |
| The clergy, 1780-1850 | Neely, W. G. (William G.) | Article in Book | | 2006 |
| The clerical career of the Rev. Richard H. Ryland, 1788-1866 | Broderick, Eugene | Article in Journal | | 2014 |
| The clerical estate in later medieval Ireland : alien settlement or element of conciliation? | Walsh, Katherine | Article in Book | | 1988 |
| The collected letters of Canon Sheehan of Doneraile 1883-1913 | | Monograph or Collective Volume | Smenos | 2013 |
| The college of New Jersey and the Presbyterian Church | Wertenbaker, Thomas Jefferson | Article in Journal | | 1998 |
| The colourful Father Ned Lambe | Ní Chonaill, Áine | Article in Journal | | 2013 |
| 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 of Mercy, Westport, Co. Mayo 1841 and early years | Hunt, Kathleen | Article in Journal | | 2018 |
| The convents and religious orders in New Ross | Doyle, Jim | Article in Book | | 2001 |
| The conversion experience : the case of Fr James O'Farrell, OP, 1785-7 | Kelly, James, 1959- | Article in Book | | 2005 |
| The convict priests : Irish Catholicism in early colonial New South Wales | Whitaker, Anne-Maree | Article in Book | | 1996 |
| The correspondence of Catherine McAuley, 1818-1841 | McAuley, Catherine | Monograph or Collective Volume | Four Courts | 2004 |
| The correspondence of Edward Hincks, Vol. 2, 1850-1856 | Cathcart, Kevin J.Hincks, Edward, 1792-1866 | Monograph or Collective Volume | University College Dublin | 2008 |
| The correspondence of Edward Hincks, vol.1 (1818-1849) | Hincks, Edward, 1792-1866 | Monograph or Collective Volume | University College Dublin Press | 2007 |
| The Daughters of Charity of St Vincent de Paul in Ireland : the early years | | Monograph or Collective Volume | Columba | 2014 |
| The Daughters of Charity of St Vincent de Paul in the Irish workhouse system | Dixon, MaryFennessy, BernadettePrunty, Jacinta | Article in Book | | 2014 |
| The dean and the drapier | Kinkead-Weekes, Mark | Article in Book | | 1968 |
| The demand and supply of priests to the United States from All Hallows College, Ireland, between 1842-1860 | O'Loughlin, Thomas | Article in Journal | | 1983 |
| The development of the Scottish catholic community, 1878-1978 | Ross, A. | Article in Journal | | 1978 |
| The devout priest & devoted patriot Fr Albert Bibby OFM Cap. 1877-1925 | Kavanagh, Myles | Article in Journal | | 2017 |
| The diary of a country curate : Reverend Henry Murphy in Ennis, 1844-1846 | Ó Murchadha, Ciarán | Article in Journal | | 1990 |
| The diary of Alicia Walshe (Mother Catherine), Religious Sister of Charity | McCabe, Ciarán | Article in Journal | | 2017 |
| The diary of John Mac Laverty, Maynooth student, 1896 - a commentary | O'Neill, Hugh | Article in Journal | | 2013 |
| The diocesan clergy of Ferns : some reflections | Gahan, John | Article in Book | | 1999 |
| The diocese of Dublin in the sixteenth century : clerical opposition and the failure of the Reformation | Murray, James | Article in Book | | 2000 |
| The diocese of Killaloe in the past : items of interest about some parish priests | Clancy, John | Article in Journal | | 1941 |
| The diocese of Killaloe, 1800-1850 | Murphy, Ignatius | Monograph or Collective Volume | Four Courts | 1992 |
| The diocese of Kilmore : bishops and priests, 1136-1988 | MacKiernan, Francis J. | Monograph or Collective Volume | | 1989 |
| The disestablished home churches | Moss, C. B. | Article in Book | | 1948 |
| The dissolution of the Augustinian communities in the Pale during the Henrician period | Scott, Brendan | Article in Book | | 2019 |
| The Dominicans of Mullingar, 1622-1654 | Fenning, Hugh | Article in Journal | | 1966 |
| The Dublin parish, 1660-1730 | Dudley, Rowena | Article in Book | | 2006 |
| The dust of Maynooth : Fenian funeral as political theater - St. Louis, 1865 | Morgan, Jack | Article in Journal | | 1998 |
| The dynamics of parish formation in high medieval and medieval Clare | Nugent, Patrick | Article in Book | | 2006 |
| The earliest Irish personal letter | Forste-Grupp, Sheryl L. | Article in Journal | | 1995 |
| The early eighteenth-century Irish Baptists : two letters | Herlihy, Kevin | Article in Journal | | 1992 |
| The early history of St Mary's Mercy Convent, Trim | Cummins, Kieran | Article in Journal | | 2023 |
| The early history of the Irish Sisters of Mercy in Connacht | Cryan, Rosarii | Thesis | | 1963 |
| The early Irish church : some observations on pastoral care and dues | Etchingham, Colmán | Article in Journal | | 1991 |
| The early response of the Irish Catholic clergy to the co-operative movement | Kennedy, Liam, 1946- | Article in Journal | | 1978 |
| The early response to the Irish Catholic clergy and the co-operative movement | Kennedy, Liam, 1946- | Article in Book | | 1987 |
| The early years of Muskingum College | Fisk, William L. | Article in Journal | | 1979 |
| The eighteenth-century parish | Barnard, T. C. (Toby Christopher) | Article in Book | | 2006 |
| The episcopal ideal in Saint Bernard of Clairvaux | Smith, Marie C. | Thesis | | 1967 |
| The European culture wars in Ireland : the Callan schools affair, 1868-81 | Barr, Colin | Monograph or Collective Volume | University College Dublin | 2010 |
| The ever-open door : 'memories' | Tinsley, Ambrose | Monograph or Collective Volume | Veritas | 2006 |
| The experiences of a Sinn Féin priest : Fr. Pat Gaynor and self-government in Clare, 1919-1921 | Clancy, Carmel | Article in Journal | | 2007 |
| The fall and return of John Macmoyer | Ó Fiaich, Tomás | Article in Journal | | 1958 |
| The falling world | Ryan, John | Article in Book | | 1963 |
| The famine and the Catholic church : a review article | McGrath, Thomas | Article in Journal | | 1997 |
| The Famine Irish, the Grey Nuns, and the fever sheds of Montreal : prostitution and female religious institution building | King, Jason | Article in Book | | 2016 |
| The Fanore school case, 1914 to 1922 | Queally, Joe | Monograph or Collective Volume | The author | 2004 |
| The Fasti of St. Patrick's, Dublin. | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Monograph or Collective Volume | | 1930 |
| The father of the Brontës | Hopkins, Annette B. | Monograph or Collective Volume | [s.n.] | 1958 |
| The first impact of the Reformation | Mooney, Canice | Monograph or Collective Volume | Gill | 1967 |
| The first Loreto sister : Mother Teresa Ball, 1794-1861 | Forristal, Desmond | Monograph or Collective Volume | Dominican | 1994 |
| The first man on the hill: The life and times of Rev. Patrick O'Connell (1850-1923) | O'Brien, Hugh B. | Article in Journal | | 2012 |
| The form and manner of making a dean and other forms used in the Cathedral and Collegiate Church of St. Patrick, Dublin | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Monograph or Collective Volume | Ponsonby & Gibbs at the University Press | 1912 |
| The Fottrell papers, 1721-39 : an edition of the papers found on the person of Fr. John Fottrell, Provincial of the Dominicans in Ireland at his arrest | Fenning, HughFottrell, John | Monograph or Collective Volume | Public Record Office of Northern Ireland | 1980 |
| The foundations of the Catholic Church in English-speaking New Brunswick | Toner, P. M. | Article in Book | | 1988 |
| The fourth centenary of the arrival of the first Jesuits in Ireland | Corboy, James | Article in Journal | | 1943 |
| The Franciscan noviciate in Wexford, 1805-22 | Conlan, Patrick | Article in Journal | | 2010 |
| The Franciscans in Athlone | Grannell, Fergal | Monograph or Collective Volume | Franciscan Friary | 1978 |
| The French connection with Maynooth College, 1795-1855 | Turner, Michael | Article in Journal | | 1981 |
| The French exiled clergy in the British Isles after 1789. An historical introduction and working list | Bellenger, Dominic Aidan | Monograph or Collective Volume | | 1986 |
| The Friars in Ireland, 1224-1540 | Ó Clabaigh, Colmán N. | Monograph or Collective Volume | Four Courts | 2012 |
| The funeral of Fr. Hennessy | Anonymous | Article in Journal | | 1998 |
| The gay soul of Mary Aikenhead : a strange story of an heroic life | Gallagher, Frank | Article in Journal | | 1958 |
| The general : his life and times | Greensmyth, Harry | Monograph or Collective Volume | Harry Greensmyth | 2007 |
| The Geraldine clerical lineages of Imokilly and Sir John Fitzedmund of Cloyne | MacCotter, Paul | Article in Book | | 2004 |
| The godless and the burlesque : Newman and the other Irish universities | Flanagan, K. | Article in Book | | 1978 |
| The good old priests of the olden parish of Ida | O'Farrell, Ed | Article in Book | | 2001 |
| The great famine and clergy in Galway city | O'Dowd, Peadar | Article in Journal | | 1995 |
| The great Father Tom Burke | Cassidy, James F. (James Francis), b. 1890 | Monograph or Collective Volume | Gill | 1947 |
| The great Mr Boyse : a study of Rev. Joseph Boyse, minister of Wood Street Church, Dublin, 1683-1728 | Brown, Godfrey | Monograph or Collective Volume | Presbyterian Historical Society of Ireland | 1988 |
| The Greek bishop of Dromore | McRoberts, David | Article in Journal | | 1977 |
| The Hallinan family of Quartertown | Forde, Robert | Article in Journal | | 1991 |
| The High Church Party in the Irish convocation, 1703-1713 | Hayton, D. W. (David William) | Article in Book | | 1998 |
| The history and antiquities of the diocese of Ossory. 1:Introduction and Extent, Deaneries, Bishops, Chapter and Colleges of the diocese of Ossory; 2 : Northern Deanery of Ossory Diocese; 3 : The Middle Deanery, including the Cathedral City of the Diocese of Ossory; 4 : The Southern Deanery of the Diocese of Ossory. 4 vols. | Carrigan, William, 1860-1924 | Monograph or Collective Volume | | 1905 |
| The history of Granard Convent of Mercy | Foley, Anne M. | Article in Journal | | 2008 |
| The history of Sion Hill | Hanafin, Mary | Article in Journal | | 1995 |
| The history of the Irish Presentation Sisters in the twentieth century : from autonomy to union | O'Reilly, Louise | Thesis | | 2009 |
| The Holy Man of Ballyvourney | Tourney, Christopher P. | Article in Journal | | 1985 |
| The hopeful traveller : the life and times of Daniel Augustus Beaufort LL.D. 1739-1821 | Ellison, C. C. | Monograph or Collective Volume | Boethius Press | 1987 |
| The house that Harry built : Irish Presentation Brothers in Trinidad | Feheny, John M. | Article in Book | | 2015 |
| The Huguenots, the Crown and the clergy : Ireland, 1704 | Whelan, Ruth | Article in Journal | | 1997 |
| The impact of English colonial expansion on Irish culture : the clergy, popular religion and the transformation of the family in early modern Galway | Connors, Thomas Gilroy | Thesis | | 1997 |
| The impact of Irish Catholic priests in seventeenth-century Gaelic-speaking Scotland | McInally, Tom | Article in Book | | 2005 |
| The income of Catholic priests in pre-Famine Ireland: some evidence from the Diocese of Killaloe | Grace, Daniel | Article in Journal | | 2017 |
| The influence of the Irish Catholic clergy in shaping the religious and political allegiances of Irish Catholics, 1603-41 | Finnegan, David | Article in Book | | 2013 |
| The influence of the Rev. Henry Cooke on the political life of Ulster | Jamieson, John | Thesis | | 1950 |
| The integration of the Huguenots into the Irish church : the case of Peter Drelincourt | McKee, Jane | Article in Book | | 2001 |
| The interrogation of Gerald Keating: trouble, tension and treason | Empey, Mark | Article in Journal | | 2024 |
| The intrepid traveller | Walsh, Fr. Pat | Article in Journal | | 2003 |
| The invisible Irish : finding protestants in the nineteenth-century migrations to America | Sherling, Rankin, 1976- | Monograph or Collective Volume | McGill-Queens University Press | 2016 |
| The Irish : priests and people | Kennelly, Brendan | Article in Book | | 1987 |
| The Irish abroad : Michael Condon in Scotland, 1845-1878 | Aspinwall, Bernard | Article in Book | | 1989 |
| The Irish Benedictine nuns : from Ypres to Kylemore | Villiers-Tuthill, Kathleen | Article in Book | | 2005 |
| The Irish Capuchins in the United States of America | Conrad, Fr. | Article in Journal | | 1973 |
| The Irish Catholic clergy and emigration during the great famine | MacDonagh, Oliver | Article in Journal | | 1947 |
| The Irish Catholic female religious and the transnationalisation of care : an historical perspective | Yeates, Nicola | Article in Journal | | 2002 |
| The Irish Catholic secular clergy, 1850-1900 | Bane, Liam | Thesis | | 1994 |
| The Irish church in the sixteenth century | Mooney, Canice | Article in Journal | | 1963 |
| The Irish clergyman | McAvoy, T. T. | Article in Book | | 1970 |
| The Irish clergyman in the United States | McAvoy, Thomas T. | Article in Journal | | 1964 |
| The Irish College at Alcalá de Henares 1649-1785 | O Connell, Patricia | Monograph or Collective Volume | Four Courts | 1997 |
| 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, Rome, and its world | | Monograph or Collective Volume | Four Courts | 2008 |
| The Irish College, Seville | Silke, John J. | Article in Journal | | 1961 |
| The Irish colleges in the Low Countries | | Article in Journal | | 1949 |
| The Irish colleges on the continent and the creation of an educated clergy | Brockliss, Laurence W. B. | Article in Book | | 2010 |
| 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 Emigrant Chaplaincy Scheme in Britain, 1957-82 | O'Shea, Kieran | Monograph or Collective Volume | The author | 1985 |
| The Irish flood : famine, philanthropy, and the emergence of duelling Liverpool Catholic identities, 1845-1865 | Dye, Ryan | Article in Journal | | 2003 |
| The Irish Franciscans in Poland | Jennings, Brendan | Article in Journal | | 1957 |
| The Irish Franciscans in seventeenth and eighteenth-century Prague | Parez, Jan | Article in Book | | 2003 |
| The Irish Franciscans, 1650-99, 'rough and uncultured men?' | Mooney, Canice | Article in Journal | | 1953 |
| The Irish in Asturias : the footprint of the Irish College, Salamanca, 1913-1950 | Richardson, Regina Whelan | Article in Journal | | 2012 |
| The Irish in early medieval Europe; identity culture and religion | | Monograph or Collective Volume | Palgrave | 2016 |
| The Irish influence on the Australian Catholic Church | Ryan, Christopher | Article in Journal | | 2000 |
| The Irish mission in west Florida | Din, Gilbert C. | Article in Journal | | 1971 |
| The Irish monastic tradition in eastern Europe | Hennig, John | Article in Journal | | 1943 |
| The Irish Pallottines | McCarthy, Donal | Article in Book | | 1989 |
| The Irish Sisters of Charity | Canavan, J. E. | Monograph or Collective Volume | Anthonian Press | 1941 |
| The Irish Sisters of Mercy in the Crimea | Bolster, Ellen | Thesis | | 1961 |
| The Jesuits in Limerick before and after the siege | Roche-Kelly, Hubert | Article in Book | | 1951 |
| The journey out : the recruitment and emigration of Irish religious women to the United States, 1812-1914 | Hoy, Suellen | Article in Journal | | 1995 |
| The Kinsale nuns in the Crimea, 1854-1856 | Hurley, Frank | Article in Journal | | 1986 |
| The last Irish scribe | Ó Lochlainn, Colm, 1892-1972 | Article in Journal | | 1941 |
| The last monks and abbots of Bective | Hogan, Flannan | Article in Journal | | 1976 |
| The last of the surviving fathers | Dunlop, Eull | Article in Journal | | 1990 |
| The last priests of Lisanuffy | Browne, Raymond | Article in Journal | | 1996 |
| The last years of a confessor of the Faith : Fr. David Wolf | Da Costa, Manuel | Article in Journal | | 1946 |
| The late Father Christy Walsh, 1917-1991, R.I.P. An appreciation | Harte, Stephen | Article in Journal | | 1993 |
| The late Most Rev. Dr. Gilmartin | Morrisroe, Patrick | Article in Journal | | 1939 |
| The late Rev. Father Murray | Ó Cuinn, Séamus | Article in Journal | | 1941 |
| The layperson in the parish : the medieval inheritance, 1169-1536 | Empey, C. A. (Adrian) | Article in Book | | 2002 |
| The legacy of a pioneer of female education in Ireland : tercentennial considerations of Nano Nagle and Presentation schooling | Bennett, DeirdreDelaney, CatrionaRaftery, Deirdre | Article in Journal | | 2019 |
| The Lenaghan Fathers of Crossmaglen | Hanratty, Dennis | Article in Journal | | 2002 |
| The letter book of Lewis Sabran, S.J. | Holt, Geoffrey, 1912- | Monograph or Collective Volume | Catholic Record Society | 1971 |
| The letter under the pillow : 150 years, 2 continents, 840 heroic Irish women | Aherne, Clare | Monograph or Collective Volume | Carrowmore Publishing | 2016 |
| The letters and diaries of John Henry Newman : Vol 16 | Dessain, C. S.Newman, John Henry, cardinal, 1801-1890 | Monograph or Collective Volume | Nelson | 1965 |
| The letters and diaries of John Henry Newman, Vol 21 : The Apologia, 1864-1865 | Newman, John Henry, cardinal, 1801-1890 | Monograph or Collective Volume | Nelson | 1971 |
| The letters and diaries of John Henry Newman, Vol. 18 : new beginnings in England, 1857-1858 | Newman, John Henry, cardinal, 1801-1890 | Monograph or Collective Volume | Nelson | 1968 |
| The letters and diaries of John Henry Newman. Vol. 15 | Blehl, Vincent FerrerDessain, Charles StephenNewman, John Henry, cardinal, 1801-1890 | Monograph or Collective Volume | Nelson | 1964 |
| The library of a parish priest of the penal days : introduction | Ó Súilleabháin, Pádraig | Article in Journal | | 1964 |
| The library of an Irish Catholic émigré : Michael Moore's 'bibliotheque', 1726 | Chambers, Liam | Article in Journal | | 2004 |
| The life and times of a rural parish priest, 1896-1908 | Higgins, Seán | Article in Book | | 2006 |
| The life and times of Bishop Michael Collins (1781-1832) | Casey, William | Article in Journal | | 2013 |
| The life and times of Father Bernard Murphy : Termon, Carrickmore 1832-1897 | Bradley, John, Rev.Murphy, Eddie | Monograph or Collective Volume | Eddie Murphy | 1994 |
| The life and times of Father Mathew | Shaw, H.B.P., Rev. | Thesis | | 1939 |
| The life and times of Fr Michael O'Donovan SVD | O'Donovan, Michael | Article in Journal | | 2006 |
| The life and times of Fr. Sean Manning (a Gaelic leader) | Guckian, Des | Monograph or Collective Volume | The author | 1979 |
| The life and times of Rev. John Orr, M.A., Portaferry. Part 3 | Rutherford, J. C. | Article in Journal | | 1984 |
| The life and times of the revd. Thomas Conolly Cowan (1776-1856), of Clifton, a "restless and enquiring spirit" or "a wolf in sheep's clothing"? | Crossley Evans, Martin J. | Article in Book | | 2007 |
| The life and writings of James Owen Hannay (George A. Birmingham), 1865-1950 | Taylor, Brian | Monograph or Collective Volume | Edwin Mellen Press | 1995 |
| The life of a noted priest and scholar | Sands, John J. | Article in Journal | | 1989 |
| The life of Dr Thomas Hussey (1746-1803), bishop of Waterford and Lismore | Murphy, William Gerald | Thesis | | 1968 |
| The life of Father Theobald Mathew, O. M. Cap., apostle of temperance | Rogers, Patrick | Article in Journal | | 1939 |
| The life of George Berkeley, Bishop of Cloyne | Luce, A. A. | Monograph or Collective Volume | Nelson | 1949 |
| The life of Jonathan Swift | McHugh, Roger Joseph | Article in Book | | 1968 |
| The life of the Rev. James Coigly ... as written by himself | Coigly, James | Monograph or Collective Volume | | 1798 |
| The life of Thomas Hussey, 1746-1803, Bishop of Waterford and Lismore | Murphy, Liam | Monograph or Collective Volume | Kingdom Books | 2016 |
| The Light of Life: memories of a Diocesan priest | Waldron, Kieran | Monograph or Collective Volume | Private | 2015 |
| The light that never goes out : the life of Father Joe Foy, PP, 1841-1918 | McGuire, Jim | Monograph or Collective Volume | Jim McGuire | 2012 |
| The limits of female autonomy : nuns in nineteenth-century Ireland | Clear, Caitríona | Article in Book | | 1989 |
| The Lisgoole agreement of 1580 | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1969 |
| The list of abbesses in Conchubranus' Life of Saint Monenna | Boyle, Alexander | Article in Journal | | 1971 |
| The little brother from Down - Aodh Mac Aingil as a good Franciscan | Conlan, Patrick, 1940- | Article in Journal | | 2003 |
| The magnificent nine : Callan nuns blaze a trail down under | Fitzgerald, John | Article in Book | | 2010 |
| The making of medieval Derry | Devlin, Ciaran J. | Monograph or Collective Volume | Veritas | 2013 |
| The man who was Dorian Gray | McCormack, Jernsha Hall | Monograph or Collective Volume | Palgrave | 2000 |
| The Marist sisters | McGuinness, Brigid Jane | Article in Journal | | 1998 |
| The medieval priests of Artea | McGuckin, J. H. | Article in Journal | | 1981 |
| The Mercy Nuns in Drogheda (1854-2004) | McCullen, John | Article in Journal | | 2005 |
| The Methodists in Ireland : a short history | Cooney, Dudley A. Levistone | Monograph or Collective Volume | Columba | 2001 |
| The military and hospitaller order of St Lazarus of Jerusalem | Lee, Gerard A. | Article in Journal | | 1968 |
| The military monks at Mourneabbey | Cotter, Eamonn | Article in Journal | | 2012 |
| The military order of St Patrick, 1593 | Walsh, M. K. | Article in Journal | | 1979 |
| The ministry of the Church of Ireland, 1536-1636 | Diamond, CiaranLennon, Colm, | Article in Book | | 2006 |
| The missionary priest in twentieth-century Irish literature | McMahon, Donal | Article in Book | | 2015 |
| The mitred earl : an 18th century eccentric | Fothergill, Brian | Monograph or Collective Volume | Faber | 1974 |
| The modern Irish missionary movement | Cooke, Colm | Article in Journal | | 1980 |
| 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 monks of Dysert O'Dea | O'Farrell, Fergus | Article in Journal | | 2004 |
| The Montgomery orphans: Dundalk workhouse 1842 | Hall, Brendan | Article in Journal | | 2012 |
| The Most Rev. John M. Farley, D.D. | O'Keefe, Liam | Article in Journal | | 1992 |
| The murder of Dr Muldoon : a suspect priest, a widow's fight for justice | Boyle, KenDesmond, Tim | Monograph or Collective Volume | Mercier Press | 2019 |
| The Nagles of Ballygriffin, and Nano Nagle | O'Connell, Basil | Article in Journal | | 1957 |
| The nationalism of Canon Sheehan | Hurley, James | Thesis | | 1956 |
| The North Infirmary Hospital, Cork : from charitable infirmary to teaching hospital | Mathews, SheilaRyan, Carmel | Article in Book | | 2014 |
| The northern dioceses and the Irish College of Alcalá, Spain | O Connell, Patricia | Article in Journal | | 1993 |
| The novelist of 'New Street' | Mícheál, Fr. | Article in Book | | 1942 |
| The nun of Kenmare | Boyle, Brian | Monograph or Collective Volume | The author | 2014 |
| The nun of Kenmare | Eager, I. F. | Monograph or Collective Volume | Mercier Press | 1970 |
| The nun of Kenmare | Dockrell, John H. | Article in Journal | | 2002 |
| 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 in Kerry : the unsung heroines of the famine | O'Shea, Kieran | Article in Book | | 1997 |
| The nuns of the medieval convent of Lismullin, County Meath, and their connections | Hall, Dianne | Article in Journal | | 1999 |
| The Old Brotherhood of the English secular clergy : catalogue of the archives | Anonymous | Monograph or Collective Volume | Catholic Record Society | 1968 |
| The ongoing present : a critical look at the society and world in which I grew up | Mac Gréil, Micheál | Monograph or Collective Volume | Messenger Publications | 2015 |
| The only lever ... ? : the Catholic priest in Irish politics 1823-29 | O'Ferrall, Fergus | Article in Journal | | 1981 |
| The order of Carmel and the Blackrock Monastery | O'Neill, Monica | Article in Journal | | 1998 |
| The Order of Deacons in early Irish canonical sources : a contribution to understanding the evolution of a 'Major Orders' in the western church | O'Loughlin, Thomas | Article in Journal | | 2017 |
| The Order of Deacons in early Irish canonical sources : a contribution to understanding the evolution of a ‘Major Orders’ in the Western church | O’Loughlin, Thomas | Article in Journal | | 2017 |
| The ordination in Ireland of Jansenist clergy from Utrecht, 1715-16 : the role of Fr Paul Kenny, ODC of Co. Galway, part 1 | Mitchell, James | Article in Journal | | 1989 |
| The ordination in Ireland of Jansenist clergy from Utrecht, 1715-16 : the role of Fr Paul Kenny, ODC, of Co. Galway | Mitchell, James | Article in Journal | | 1991 |
| The ordination of Cellach, comarbal of Patrick in 1105 | Holland, Martin | Article in Journal | | 2005 |
| The ordination of Dermot O'Hurley, 1581 | Millett, Benignus | Article in Journal | | 1983 |
| The ordination of women in the Church of Ireland | McCready, David | Article in Journal | | 2006 |
| The organization of the Irish church, 1603-1641 | Corish, Patrick J. | Article in Journal | | 1957 |
| The other peregrinatio: Pilgrim nuns in medieval Regensburg and their Irish connections | Ó Riain-Raedel, Dagmar | Article in Book | | 2023 |
| The papish minister : Shan Bullock, John Haughton Steele, and the literary portrayal of the nineteenth-century clergyman | Maume, Patrick | Article in Book | | 2000 |
| The parish and the Ulster Plantation | Gillespie, Raymond | Article in Journal | | 2008 |
| The parish church and priests of Loughgall, Armagh, in 1546 | Jefferies, Henry A. | Article in Journal | | 1998 |
| The Parish Clergy in the Archdeaconry of Worcester on the Eve of the Reformation
- An Introduction | Down, Kevin | Article in Book | | 2006 |
| The parish clergy of the Church of Ireland in the eighteenth century | Legg, Marie-Louise | Article in Book | | 2006 |
| The parish clergy of Tuam, 1712-1809 | | Article in Journal | | 1998 |
| The parish of Ballinasloe : its history from the earliest times to the present century | Egan, Patrick K. | Monograph or Collective Volume | Kenny's Bookshop | 1994 |
| The parish of Ballinasloe, Co. Galway | Egan, Patrick K., Rev. | Thesis | | 1960 |
| The parish of Saint John the Evangelist, Dublin, 1600-1700 | Anderson, Katharine | Thesis | | 1997 |
| The Parish of St. John the Evangelist, Ballinteer : Silver Jubilee of the Parish (1973-1998) | Ryan, Christopher | Monograph or Collective Volume | Ballinteer Family History Society | 1998 |
| The parish priests of Maryborough, 1815-1941(obituaries) | Leinster Express | Article in Journal | | 1992 |
| The Passionists : centenary of the Passionists in Ireland, 1856-1956 | Anonymous | Monograph or Collective Volume | St Paul's Retreat | 1956 |
| The pastoral role of the Roman Catholic Church in pre-famine Ireland 1750-1850 | Larkin, Emmet | Monograph or Collective Volume | Four Courts|Catholic University of America Press | 2006 |
| The Patrician Brothers 1808-2008 | Walker, Linus H. | Article in Journal | | 2008 |
| The patriot priest Fr. Nicholas Sheehy, Clogheen | Gallahue, John | Article in Book | | 2004 |
| The personality of Jonathan Swift | Ehrenpreis, Irvin | Monograph or Collective Volume | Methuen | 1958 |
| The personality of Mary Aikenhead | O'Carroll, Michael | Article in Journal | | 1958 |
| The pilgrim's progress : a story in stone | Ó Clabaigh, Colmán N. | Article in Book | | 2015 |
| The pilgrimage of Hispanics in the Sisters of Charity of the Incarnate Word | Velez, María Luisa | Article in Journal | | 1990 |
| The political involvement of the Catholic clergy in Ireland, 1922-1937 | Murray, Patrick | Thesis | | 1997 |
| The politicization of the Irish Catholic bishops, 1800-1850 | MacDonagh, Oliver | Article in Journal | | 1975 |
| The politics of clerical radicalism in the 1790s | Cullen, L. M. (Louis Michael) | Article in Book | | 1997 |
| 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 Sisters of Nazareth and Derry : 1892-1992 | Canning, B. J. (Bernard J.) | Monograph or Collective Volume | John Burns | 1992 |
| The Pope's man in Ireland : the mission of Nuncio Rinuccini 1645-1649 | Ó Conluain, Proinsias | Article in Journal | | 1995 |
| The port of tears : the life of Father John Sullivan, S. J. | Bodkin, Mathias | Monograph or Collective Volume | Burns & Oates | 1954 |
| The position of the Augustinian canons in medieval Ireland | Preston, Sarah, M. | Article in Journal | | 1990 |
| 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 Presbyterian minister in eighteenth-century Ireland | Barkley, John M. | Article in Book | | 1981 |
| The Presbyterian revolution in Ulster, 1660-1690 | Gillespie, Raymond | Article in Book | | 1989 |
| The present state of the Church of Ireland | Woodward, Richard | Monograph or Collective Volume | | 1787 |
| 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 of Rev. Ambrose Cooke, M.A. | Reid, J. N. S. | Article in Journal | | 1987 |
| The Presentation order and the national school system in Limerick, 1837-1870 | Coonerty, Paula | Article in Journal | | 1988 |
| The Presentation sisters and the education of 'poor female children' in Limerick, 1837-1870 | Coonerty, Paula | Article in Journal | | 1996 |
| The Presentation Sisters in Kilcock | Dáibhís, Fionntan | Article in Book | | 1999 |
| The priest and public affairs | Costello, Declan | Article in Journal | | 1969 |
| The priest in politics | Flannery, Austin | Article in Book | | 2000 |
| The priest in politics | Ó Faoláin, Seán | Article in Journal | | 1947 |
| The priest in politics : the case of conscription | Travers, Pauric | Article in Book | | 1983 |
| The priest in the Gaelic folklore of Nova Scotia | Wilsen, Kenneth E. | Article in Journal | | 1996 |
| The priesthood of St Oliver | Ó Fiaich, Tomás | Article in Journal | | 1975 |
| The priests and people of Killaloe diocese - after Cromwell : a review article | Ó Murchadha, Ciarán | Article in Journal | | 1996 |
| The priests of Knockcroghery, St Johns and Rahara | Feeley, Donald | Article in Journal | | 2005 |
| The priests of the diocese of Limerick, 1878-1917 | Tobin, Matthew | Thesis | | 2006 |
| The principles and law of tithing | Plowden, Francis, 1749-1829 | Monograph or Collective Volume | | 1806 |
| 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 J. | Article in Book | | 2012 |
| The prison ministry of Father Peter Whelan, Georgia priest and confederate chaplain | Meaney, Peter J. | Article in Journal | | 1987 |
| The problem of Irish clerical avarice in the nineteenth century | Larkin, Emmet | Article in Journal | | 1989 |
| The public career of Rev Thomas Maguire, 1792-1847 | Ó Duigneáin, Proinnsíos | Article in Book | | 2019 |
| The quiet leader : the episcopacy of John Cardinal D'Alton, 1946-63 | Ó Corráin, Daithí | Article in Journal | | 2006 |
| The quiet tragedy of Canon Sheehan | Garvin, Tom | Article in Journal | | 2009 |
| The radical cleric and the French invasion of Connacht : Manus Sweeney (1762-1799) | Mulloy, Sheila | Article in Book | | 1998 |
| The radical priest of Partry : Patrick Lavelle (1825-1886) | Moran, Gerard | Article in Book | | 1998 |
| The rambling rector | Ruddock, Norman | Monograph or Collective Volume | Columba | 2005 |
| The Real Colegio de San Patricio de Nobles Irlandeses of Salamanca : its buildings and properties, 1592-1768 | Almajano, Nieves RupérezSantamaría, Ana Castro | Article in Book | | 2010 |
| The rector and students of the Irish College at Alcalá de Henares, Spain 1649-1785 | O Connell, Patricia | Article in Journal | | 1997 |
| The rector and the rebel | Blackstock, Allan | Article in Book | | 2004 |
| The rector who wouldn't pray for rain | Semple, Patrick | Monograph or Collective Volume | Mercier Press | 2007 |
| The rectors of Killinchy and Kilmood, Diocese of Down | Swanzy, Henry B. | Monograph or Collective Volume | R. Carswell & Son [Printer] | 1932 |
| The rectory of Rathgoggan and the nuns of Graney | MacCarthy, C. J. F. | Article in Journal | | 1989 |
| The Reformation in Kilmore before 1641 | Ford, Alan, 1956- | Article in Book | | 1995 |
| The Regional Impact of Irish Catholicism 1700-1850 | Whelan, Kevin | Article in Book | | 1988 |
| The Register of Fr Francis Smith, Kilmore, CXo. Armagh, 1827-1829 | Fearon, Benedict | Article in Journal | | 2019 |
| The regulars in the post-reformation period | O'Connell, W. D. | Article in Journal | | 1943 |
| 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 remarkable Luke Cullen O.D.C., (1793-1859) | Scannell, James | Article in Journal | | 1999 |
| The remarkable Mr Clarke | Clarke, R. L. | Article in Journal | | 1975 |
| The Rentouls of Second Ray | Anonymous | Article in Journal | | 1979 |
| The Rev Robert Magill : a bibliographical view, 1827-1828 | Erskine, John | Article in Book | | 1996 |
| The Rev. Dr. John Edgar and the temperance movement of the nineteenth century | Lockington, John W. | Article in Journal | | 1983 |
| The Rev. Dudley Fletcher's "spot of bother" | Mathews, Ronnie | Article in Journal | | 2005 |
| The Rev. Gibson McMullan of Westport and some Australian connections | Simons, P. Frazier | Article in Journal | | 2001 |
| The Rev. Henry Woodward, rector of Fethard, 1812-1863 | Homfray, Kenyan | Article in Journal | | 2005 |
| The Rev. James Foster of Newmills, Co. Tyrone, 1850-1890 | Carson, John T. | Article in Journal | | 1980 |
| The Rev. James Porter, dissenting minister of Greyabbey, 1753-1798 | Waters, Ormonde D. P. | Article in Journal | | 1989 |
| The Rev. John Chaloner (1658-1732) | Chaloner, Desmond | Article in Journal | | 1985 |
| The Rev. Patrick Hamilton's family Bible, 1722-38 | Millsopp, Sandra A. | Article in Journal | | 2007 |
| The Rev. Robert Stewart (1783-1852) of Tullybane and Broughshare | Dunlop, Eull | Article in Journal | | 2003 |
| The Rev. Samuel Haughton : a man of great erudition and a determined opponent of the theory of evolution | McMillan, N. D. | Article in Journal | | 1983 |
| The Rev. Samuel Haughton. Part 2 | McMillan, Norman | Article in Journal | | 1981 |
| The Rev. William Frederick Johnston, MA | Barton, Michael | Article in Journal | | 2009 |
| The Reverend David Bell | Bell, Thomas | Article in Journal | | 1967 |
| The Reverend Edward Mangin (1772-1853) | Bourke, F. S. | Article in Journal | | 1949 |
| The Reverend Foster Archer's visit to Limerick and Clare, 1801 | Lysaght, Patrick B. | Article in Journal | | 1976 |
| The reverend George Graydon (c.1753-1803) : cleric and geological traveller | Vaccari, EzioWyse Jackson, Patrick N. | Monograph or Collective Volume | Royal Irish Academy | 1997 |
| The reverend Randal McCollum and his diary | Ó Casaide, Peadar | Article in Journal | | 1982 |
| The Reverend Samuel Barber, 1738-1811 : national volunteer and United Irishmen I | Bailie, W. D. | Article in Book | | 1981 |
| The Reverend Samuel Dunlop minister of Ramoon, 1724-1733 | Brown, A. W. Geoffrey | Article in Journal | | 1998 |
| The Reverend Thomas Goff, 1772-1844 : property, propinquity and Protestantism | Doyle, David | Monograph or Collective Volume | Four Courts | 2015 |
| The riddle of Father Hackett : a priest in politics in Ireland and Australia | Niall, Brenda, 1930- | Monograph or Collective Volume | National Library of Australia | 2009 |
| The right of patronage of the Maguires of Tempo | Faulkner, Anselm | Article in Journal | | 1977 |
| The rise of western Christiandom : triumph and diversity, A.D. 200-1000 | Brown, Peter | Monograph or Collective Volume | Blackwell Publishers | 2003 |
| The rivalry of the cathedral chapters in medieval Dublin | Hand, Geoffrey Joseph | Article in Journal | | 1962 |
| The road I have travelled : experiences of an Irish Methodist minister | Harte, Frederick E. | Monograph or Collective Volume | Mullen | 1947 |
| The road to the hills : people, placenames, poetry, poitín, poltergeists, priests and parsons | Cooneen History Group | Monograph or Collective Volume | Workers' Education Association | 1994 |
| The role and function of butter in the diet of the monk and penitent in early medieval Ireland | Sexton, Regina | Article in Book | | 2003 |
| The role of a Cashel man in the abolition of slavery | Dowling, Thomas | Article in Journal | | 2023 |
| The Role of the Catholic Priest in the 1798 Rebellion in County Wexford | Whelan, Kevin | Article in Book | | 1987 |
| The role of the clergy in the Great Famine | McCarthy, Robert | Article in Book | | 1996 |
| The role of the parish in building and maintaining Anglican churches in the north of Ireland 1660-1740 | Roulston, William J. | Article in Book | | 2006 |
| The Roman Catholic Church and the Irish Civil War | Murray, Patrick | Article in Journal | | 2015 |
| The Roman Catholic clergy and politics during the episcopacy of John Cantwell, 1830-1866 | Connell, Paul | Article in Book | | 2015 |
| The Roman Catholic parish registers of Wexford town from c.1672 : some considerations of their significance and use in historical research | Rafferty, Celestine | Article in Journal | | 1994 |
| The royal visitation of Dublin, 1615 | | Article in Journal | | 1941 |
| The Salamanca Diaries: Father McCabe and the Spanish Civil War | Fanning, Tom | Monograph or Collective Volume | Merrion Press | 2019 |
| The Schottenklöster in southern Germany | Ó Fiaich, Tomás | Article in Journal | | 2001 |
| The Scots Kirk in Ulster | Arnold, J. C. | Article in Journal | | 1960 |
| The Scottish and Irish background of the Rev. Hugh Conn of the colonial clergy of Maryland | Conn, W. Clark | Article in Journal | | 1994 |
| The secular clergy of the archdiocese of Armagh, 1518-58 | Jefferies, Henry Allen | Thesis | | 1996 |
| The secular priests of the diocese of Ferns : lists of priests who served in each parish, with short biographical notes | Gahan, John | Monograph or Collective Volume | Editions de Signe | 2000 |
| The shape of the parish | Duffy, Patrick J. | Article in Book | | 2006 |
| The shouting down of Fr. Thomas Furlong | McDonald, Tom | Article in Journal | | 2006 |
| The sisters at Stradbally 1875-1900 | Dalton, Philomena | Article in Journal | | 1976 |
| The Sisters of Charity of St. Paul the Apostle in primary education in Kilmallock | Greene, Catherine | Article in Journal | | 2000 |
| The Sisters of Crossmolina | Anonymous | Article in Journal | | 1990 |
| The Sisters of Mercy Ennis | O'Brien, Pius | Monograph or Collective Volume | Congregation of the Sisters of Mercy | 1992 |
| The Sisters of Mercy in Achill | Nic Aodha, Síle | Article in Journal | | 1998 |
| The Sisters of Mercy in Kilmore, 1868-1968 | Leaden, A. H. | Article in Journal | | 1969 |
| The Sisters of Mercy in Loughrea | O'Keefe, M. | Article in Book | | 2003 |
| The Sisters of Mercy in Mallow | O'Brien, Margaret | Article in Journal | | 2008 |
| The Sisters of Mercy of Birr and Nenagh | O'Brien, Sister Pius | Monograph or Collective Volume | Congregation of the Sisters of Mercy, Killaloe Mercy Generalate | 1994 |
| The Sisters of Mercy of Kilrush and Kilkee | O'Brien, Pius | Monograph or Collective Volume | Congregation of the Sisters of Mercy | 1997 |
| The Sisters of Mercy, Kilmore, Ireland, 1868-1994 | Crowe, M. Clare | Monograph or Collective Volume | Congregation of the Sisters of Mercy | 1994 |
| The Sisters of the Holy Faith in Skerries | Wheatley, Ellen | Article in Journal | | 2000 |
| The Sligo Ursulines : the first fifty years, 1826-1876 | Kelly, M. St. Dominic | Monograph or Collective Volume | The author | 1987 |
| The Society of St Patrick for Foreign Missions | Moynagh, J. | Article in Journal | | 1944 |
| The Society of the Sacred Heart in nineteenth-century France, 1800-1865 | Kilroy, Phil | Monograph or Collective Volume | Cork University Press | 2012 |
| The spirituality of John Henry Newman | Norris, Thomas | Article in Journal | | 2002 |
| The story of Benada | Butler, Katherine | Monograph or Collective Volume | Sisters of Charity | 1983 |
| The story of Mount Melleray | Luddy, Ailbe J. | Monograph or Collective Volume | Gill | 1946 |
| The story of Mount Melleray | Luddy, Ailbe J. | Monograph or Collective Volume | Gill | 1952 |
| The story of the Canon Sheehan monument at Doneraile | O'Connor, J. J. | Article in Journal | | 1946 |
| The story of the first Father Mathew | Robb, C. J. | Article in Journal | | 1944 |
| The story of the native Irish sisters who entered the Congregation of the Sisters, Servants of the Immaculate Heart of Mary Scranton, Pennsylvania | Keenan, M. Michel | Monograph or Collective Volume | Congregation of the Sisters, Servants of the Immaculate Heart of Mary Scranton, Pennsylvania | 2006 |
| The story of the Poor Clares | O'Brien, Celsus | Monograph or Collective Volume | Franciscan Friary | 1992 |
| The story of the Vincentians. a record of the achievements in Ireland and Britain of the priests and lay-brothers of the congregation of the mission founded by St Vincent de Paul | Purcell, Mary | Monograph or Collective Volume | All Hallows College | 1973 |
| The strange case of a subdeacon, Jarlath Prendergast, O.F.M. (1884-1911) | Fennessy, Ignatius | Article in Journal | | 1991 |
| The strange story of Richard Ferris | Purcell, Mary | Article in Book | | 1978 |
| The succession of clergy in St Patrick's, Coleraine, 1609-1871 | Boyd, Hugh Alexander | Thesis | | 1983 |
| The succession of parish priests in the archdiocese of Dublin, 1771-1851 | O'Riordan, W. M. | Article in Journal | | 1956 |
| The superiors of the Franciscan friary, Athlone, 1626-1972 | Millett, Benignus | Article in Journal | | 1973 |
| The support of Connacht's Catholic hierarchy for the Legislative Union of Great Britain and Ireland, 1800 | Hogan, Patrick | Article in Journal | | 2006 |
| The support of the Catholic clergy in Ireland, 1750-1850 | Murphy, John A. | Article in Book | | 1965 |
| The suppression and restoration of the Society of Jesus in Ireland | Savage, Roland | Article in Journal | | 1942 |
| The three Faithful Teates | Golden, S. H. | Article in Journal | | 1955 |
| The Tirry documents in the Archives de France, Paris | | Article in Journal | | 1957 |
| The Tirry documents in the Augustinian General Archives | Hackett, M. B. | Article in Journal | | 1957 |
| The Total Abstinence movement | Nessan, Father | Article in Journal | | 1957 |
| The trial at Tralee : the Reverend Charles Gayer and The Kerry Examiner; proselytism or persecution | Murphy, Cliona | Article in Book | NA | 2020 |
| The trial of Alice Butler, Abbess of Kilculiheen | Mulholland, John | Article in Journal | | 1984 |
| The Tridentine evolution of modern Irish Catholicism, 1563-1962 : a re-examination of the "devotional revolution" thesis | McGrath, T. G. | Article in Journal | | 1991 |
| The Tridentine evolution of modern Irish Catholicism, 1563-1962 : a re-examination of the 'devotional revolution' thesis | McGrath, Thomas | Article in Book | | 1991 |
| The two cathedral chapters of medieval Dublin and their mutual relations, from the foundation of Holy Trinity (c.1030) to the death of Archbishop Bicknor (1349) | Hand, Geoffrey J. | Thesis | | 1954 |
| The two Jonathans : Swift, Smedley and the outhouse ethos | Blackwell, Mark R. | Article in Book | | 1998 |
| The undoing of the friars of Ireland : A Study of the Novitiate Question in the eighteenth Century | Fenning, Hugh | Monograph or Collective Volume | NA | 1972 |
| The United States of America : the Irish clergyman | McAvoy, T. T. | Monograph or Collective Volume | Gill & Macmillan | 1970 |
| The Ursulinés in Thurles : the first hundred years, 1787-1887 | Lillis, Mercedes | Article in Book | | 1989 |
| The Vatican, the Bishops and Irish Politics 1919-39 | Keogh, Dermot | Monograph or Collective Volume | Cambridge University Press | 1986 |
| The Ven. Father Charles Meehan, O.F.M. (d. 1679) | Mooney, Canice | Article in Journal | | 1952 |
| The Ven. Peter Higgins, Dominican, 1601? -1642 | Valkenburg, Augustine | Article in Journal | | 1973 |
| The venerable Archdeacon John Begley, V. G. | Anonymous | Article in Journal | | 1942 |
| The vicars choral of Cashel cathedral | Cashel, Dean of | Monograph or Collective Volume | | 1949 |
| The vicars of Newry, with lists of curates and churchwardens | Swanzy Henry B. | Monograph or Collective Volume | R. Carswell & Son | 1927 |
| The View from Fortingall : The Worlds of the Book of the Dean of Lismore | MacGregor, Martin | Article in Journal | | 2006 |
| The voice of God and the actions of men : Swift among the evangelicals | Fabricant, C. | Article in Book | | 1998 |
| The voices of Catholic women in Ireland, 1800-1921 | Clear, Caitriona | Article in Book | | 2013 |
| The voyage out : Infant Jesus Sisters, Ireland, 1909-2009 | KilBride, CatherineRaftery, Deirdre | Monograph or Collective Volume | IJS Centenary Committee | 2009 |
| The Waldron priests | Waldron, Kieran | Article in Journal | | 1996 |
| The Waterloo priest | Fitzgerald, J. J. | Article in Journal | | 1977 |
| The Waterloo Priest. The Reverend William O'Donnell, formerly Ensign William O'Donnell, XXth (East Devonshire) Regiment of Foot | Doherty, Richard | Article in Journal | | 2017 |
| The Wexford man : Essays in Honour of Nicky Furlong | | Monograph or Collective Volume | Geography Publications | 2007 |
| The Wexford priests in 1798 | Whelan, Kevin | Article in Book | | 1997 |
| The will and foundation of Rev. Eugene Brady, 1767 | Cunningham, T. P. | Article in Journal | | 1965 |
| The will of Friar Martin, 1842 | Martin, Thomas | Article in Journal | | 1952 |
| The will of James Hussey of Smarmore, Co. Louth, 'priest' (A.D.1635) | Hussey, J.Murray, L. P. | Article in Journal | | 1937 |
| The wine of life : a testimony to vital encounter | McLachlan, John | Monograph or Collective Volume | John McLachlan | 1991 |
| The world of bishops in religious orders in medieval Ireland, 1050-1230 | Bhreathnach, Edel | Article in Book | | 2018 |
| The writer, Canon Sheehan | Stockley, W. F. P. | Article in Journal | | 1941 |
| Theobald Mathew, O.F.M.Cap : a centenary tribute | Anonymous | Article in Journal | | 1956 |
| Thesis abstract : Irish clerics in the University of Paris, 1570–1770 | O'Connor, Priscilla | Article in Journal | | 2007 |
| They brought the good news : modern Irish missionaries | Keaney, Marian | Monograph or Collective Volume | Veritas | 1980 |
| They hanged him in Youghal : Brother Dominic Collins, Irish Jesuit Brother | Clear, John Bedam | Monograph or Collective Volume | Irish Messenger Publications | 1953 |
| They have fooled you again : Michael O'Flanagan (1876-1942) priest, republican, social critic | Carroll, Denis | Monograph or Collective Volume | Columba | 1993 |
| They will remember him forever : the late Fr James Russell of Kilcommon, 1877-1957 : the modern Irish priest who cured the sick, the dying and raised the dead to life - and continues to do so after his death | Holohan, Jim | Monograph or Collective Volume | The author | 1996 |
| Thomas A. Finlay S.J., 1848-1940 : educationalist, editor, social reformer | Morrissey, Thomas J. | Monograph or Collective Volume | Four Courts | 2004 |
| Thomas Brehun (1582-1647) and Maurice Brehun (1588-1633) | Hazard, Benjamin | Article in Journal | | 2019 |
| Thomas Carr in Ireland | Boland, T. P. | Article in Journal | | 1991 |
| Thomas Dease, Bishop of Meath (1622-1651) : his life and times | Fagan, Patrick, 1922-2011 | Article in Journal | | 2006 |
| Thomas Drew and the making of Victorian Belfast | Farrell, Sean | Monograph or Collective Volume | Syracuse University Press | 2023 |
| Thomas Fitzsimons (1614-80) | MacKiernan, Francis J. | Article in Journal | | 2001 |
| Thomas Jackson : minister of Downpatrick, 1700-1708 | Brown, A. W. Geoffrey | Article in Journal | | 1991 |
| Thomas Jackson : minister of Downpatrick, 1700-1708 | Brown, Godfrey M. | Article in Journal | | 1986 |
| Thomas Jackson, Minister of Downpatrick, 1700-1708 | Brown, A. W. Godfrey | Article in Journal | | 1986 |
| Thomas le Botiller, prior of Kilmainham, 1403-1419 | Butler, T. Blake | Article in Journal | | 1944 |
| Thomas Messingham (c.1575-1638?) and the seventeenth-century church | O'Connor, Thomas | Article in Journal | | 2000 |
| Thomas Milles, Bishop of Waterford and Lismore | Finnegan, Rachel | Article in Journal | | 2013 |
| Thomas Parnell, the poet | Jackson, Robert Wyse | Article in Journal | | 1945 |
| Thomas Percy : a scholar-cleric in the age of Johnson | Davis, B. H. | Monograph or Collective Volume | NA | 1989 |
| Thomas Smith : Presbyterian bookman | Street, T. Watson | Article in Journal | | 1959 |
| Tiberius, bishop of Down and Connor, 1489 to 1519. [Précis of an article by Revd. James O'Laverty 1904] | Connolly, Al | Article in Journal | | 2002 |
| Tir na nÓg agus Conal Cearnach | Ua Cearnaigh, Seán | Article in Journal | | 1996 |
| Tithe, parish and priest in the ecclesiastical province of Dublin, c.1100-1540 | Smith, Charles V. | Thesis | | 2005 |
| To Russia with love : Father Sean Moriarty and a modern Peregrinatio Pro Christo | Ryan, Salvador | Article in Book | | 2015 |
| Torna (Tadhg Ó Donnchadha) | Ó Glaisne, Risteárd, 1927-2003 | Article in Book | | 1993 |
| Towards a biography of Father Vladimir S. Pecherin (1807-85) | MacWhite, Eoin | Article in Journal | | 1980 |
| Towards a prosopography of nuns in medieval Ireland | Hall, Dianne | Article in Journal | | 1999 |
| Tracing the stem: Killala bishops | Hoban, Brendan | Monograph or Collective Volume | Banley House | 2015 |
| Trinity College and its only Catholic provost | Brady, Seamus | Article in Journal | | 1940 |
| Trouble at Pubble : inscriptions from a Fermanagh graveyard and an episode from its history | Mac Annaidh, Séamus | Article in Journal | | 2003 |
| Two brothers, two wars : from the Western Front to the Burmese jungle | McAlindon, Thomas | Monograph or Collective Volume | Lilliput Press | 2008 |
| Two centuries of Catholicism in County Wexford | Corish, Patrick J. | Article in Book | | 1987 |
| Two Clongowes centenaries | Savage, Roland | Article in Journal | | 1941 |
| Two hundred years agrowing : the story of the Ursulines in Thurles, 1787-1987 | Lillis, Mercedes | Monograph or Collective Volume | The author | 1987 |
| Two Irish Jesuits : Andrew Sall (1612-86) and Andrew Sall (1624-82) | Breeze, Andrew | Article in Journal | | 1996 |
| Two men of Roscrea : Martin Walsh and Michael Meagher | Walsh, Laurence | Article in Journal | | 1983 |
| Two priests of Naas | Costello, Con | Article in Journal | | 1987 |
| Two reports on the Catholic Church in Ireland in the early seventeenth century | | Article in Journal | | 1959 |
| Two Sermons preached in the Magdalen Asylum, Dublin, on Sunday, February 19, 1865, on occasion of the death of the Rev. Alexander M. Pollock | Butcher, SamuelCarmichael, F.F. | Monograph or Collective Volume | Hodges, Smith | 1865 |
| Two seventeenth-century proclamations against the Catholic clergy | Corish, Patrick J. | Article in Journal | | 1984 |
| Two troublesome abbots | Dumville, David N. | Article in Journal | | 1990 |
| Two Wexford priests and '98 | MacGrath, Kevin | Article in Journal | | 1948 |
| Typhus epidemic in Ireland, 1817-19 : priests, ministers and doctors | | Article in Journal | | 1999 |
| Ullard Prebend in fifteenth-century Laighlin | O'Brien, Niall C.E.J. | Article in Journal | | 2018 |
| Ulster characters. Rev. Daniel Gunn Brown - tenant farmers' champion | Gourd, Len | Article in Journal | | 2002 |
| Un prètre Irlandais en France an XVIIIe siècle : John Kavanagh, part 1 | Abalain, Hervé | Article in Journal | | 1982 |
| Under the abbot's cloak : the symbolism of Columba's clothing in Adomnán's Vita Columbae | Woods, David | Article in Book | | 2015 |
| Une diocèse de l'Église établie d'Irlande à l'époque georgienne, d'après une visite épiscopale : Ossory | Loupès, P. | Article in Journal | | 1983 |
| Unheard story : Dublin Archdiocese and the Murphy Report | McCarthy, Pádraig | Monograph or Collective Volume | Londubh | 2013 |
| Urban parishes in early seventeenth-century Ireland : the case of Dublin | Gillespie, Raymond | Article in Book | | 2006 |
| Ussher as a churchman | Sykes, Norman | Article in Journal | | 1956 |
| Varieties of uniformity : the first century of the Church of Ireland | Clarke, Aidan | Article in Book | | 1989 |
| Vatican archives Minutae brevium in forma gratiosa relating to Clogher diocese | Haren, M. J. | Article in Journal | | 1985 |
| Venerable Archdeacon Cavanagh, pastor of Knock, 1867-97 | Ua Cadhain, Liam | Monograph or Collective Volume | Shrine Society | 1953 |
| Very Rev. Dr. Patrick E. Moriarity, O. S. A., Philadelphia's Fenian spokesman | George, Joseph | Article in Journal | | 1981 |
| Virgil von Salzburg, Missionar und Gelehrter : Beiträge des internationalen Symposiums vom 21.-24. September 1984 in der Salzburger Residenz | | Monograph or Collective Volume | Saltzburger Landesregierung | 1985 |
| Vladimir Pecherin, 1807-1885 : the first chaplain of the Mater Hospital, Dublin, and the first Russian political emigré | MacWhite, Eoin | Article in Journal | | 1972 |
| Vocations : a review of national and international trends | Weafer, John | Article in Journal | | 1988 |
| Voices from the grave : II, family relations of Father James O'Coigley | Downie, Patrick F. | Article in Journal | | 1954 |
| Von den Sankt Gallus-Patrozinien | Staerkle, Paul | Article in Book | | 1952 |
| Walls within walls - nuns in 19th century Ireland | Clear, Caitríona | Article in Book | | 1987 |
| Walter Cheevers, O.F.M., postulated for Ferns, 1622 | Millett, Benignus | Article in Journal | | 1993 |
| Was the 'Monk's Road' covered over in the early 9th century to protect Rattoo? | O'Connor, Noel | Article in Journal | | 2003 |
| Waterbury Irish : from the Emerald Isle to the Brass City | Maher, Janet | Monograph or Collective Volume | History Press | 2015 |
| Waterford diocese, 1096-1363, part 2 : episcopal succession, 1135-1222 | O'Neill, Assumpta | Article in Journal | | 1990 |
| Waterford diocese, 1096-1363, part 3 : episcopal succession, 1222-1363 | O'Neill, Assumpta | Article in Journal | | 1991 |
| We remember Maynooth : a college across four centuries | NA | Monograph or Collective Volume | Messenger Publications | 2020 |
| Wentworth and Dublin's Catholic clergy : a document from the Strafford Papers | O'Connor, Tim | Article in Journal | | 2005 |
| West coast connections : the correspondence network of Élie Bouhéreau of La Rochelle | Whelan, Ruth | Article in Book | | 2018 |
| Wexford priests in 'sensational baptism litigation' | Murphy, Hilary | Article in Journal | | 2006 |
| What happened to Fr Seán Fagan? | Hanley, Angela | Monograph or Collective Volume | Columba Press | 2019 |
| When the Black and Tans came calling to our school, 1920-1 | Transition Year Class 3 | Article in Journal | | 2015 |
| Where the river flows : Annamoe rectory | Pettigrew, Vera | Monograph or Collective Volume | Anvil Books | 1998 |
| Who was the parson of Stabannon in 1351? | Sayles, George Osborne | Article in Journal | | 1948 |
| Who were the nuns in early modern Ireland? | McShane, Bronagh Ann | Article in Book | | 2023 |
| William Canon Carrigan, 1860-1924 | Phelan, Margaret M. | Article in Journal | | 1976 |
| William Coghlan : recalling an address from the people of Charleville, 1886 | McCarthy, C. J. F. | Article in Journal | | 1988 |
| William Connor Magee, the Church of England and the Church of Ireland | Megahey, Alan | Article in Book | | 2006 |
| William Powell at Maynooth : an episode of religious politics in 1630s Kildare | Gillespie, Raymond | Article in Journal | | 2019 |
| William Reeves, 1815-92 | Hamlin, Ann | Article in Book | Four Courts | 2012 |
| William Ronan, SJ, 1825-1907. War Chaplain, Missioner, Founder of Mungret College | Morrissey, Thomas J. | Monograph or Collective Volume | Messenger Publications | 2003 |
| Wisdom and Mercy Meet : Catherine McAuley's interpretation of Scripture | Davis, Elizabeth M. | Article in Book | | 2007 |
| Witchcraft and Whigs : the life of Bishop Francis Hutchinson, 1660-1739 | Sneddon, Andrew | Monograph or Collective Volume | Manchester University Press | 2008 |
| With all those nuns watching you : popular literature and the culture of catholic schooling, 1900-1970 | Perko, Michael | Article in Journal | | 1987 |
| With all those nuns watching you : popular literature and the culture of catholic schooling, 1900-1970 | Perko, Michael | Article in Journal | | 1987 |
| Women religious in the history of Australia 1888-1950 : a case study - the Sisters of Mercy, Parramatta | McGrath, Sophie | Article in Journal | | 1995 |
| Women who keep God's vigil : the Glencairn story | Walsh, Kilian J. | Monograph or Collective Volume | Clonmore & Reynolds | 1964 |
| Young Carew and Fr Tom Furlong of Harriestown | McDonald, Tom | Article in Journal | | 2005 |
| ‘I have been trying very hard to be powerful “nice” …’ : the correspondence of Sister M. De Sales (Brennan) during the American Civil War | Quinn, E. Moore | Article in Journal | | 2010 |
| ‘I have been trying veryhard to be powerful “nice” …’ : the correspondence of Sister M. De Sales (Brennan) during the American Civil War | Moore Quinn, E. | Article in Journal | | 2010 |
| ‘On the brink of the wave’: Towards an archaeology of female religious in early medieval Ireland | Collins, Tracy | Article in Book | | 2023 |
| ‘The Leader of the Virgin Choirs of Erin’: St Brigid’s Missionary College, 1883–1914 | Barr, ColinLuminiello, Rose | Article in Book | | 2017 |
| ‘There but for the grace of God go I’ : middle-class Catholic responses to Ireland’s Great Famine | Delaney, Enda | Article in Journal | | 2020 |