| 14669 | Association of Baptist Churches in Ireland | | 1862-1991 | Baptist Union Annual Assembly Minute Books, 1862-199... | Irish Baptist Home and Foreign Mission |
| 16242 | Birr Castle Archives | A-W | 1957-1991 | W/1-23: Letters and papers of the 7th Earl and Count... | The Rosse Papers |
| 16748 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1899-1991 | Church of Ireland Register of Vestrymen, Templeneiry... | Bolton Library Archive |
| 6130 | Clare County Archives | | 1991 | Shannon, Kilrush, Ennis and Killaloe, list of disabl... | Clare County Council |
| 2365 | Contemporary Music Centre | | 1991-1995 | At the time the original Directory was compiled... | |
| 20497 | Dublin City Library and Archive | | 1937-1991 | Voter Registration Books, 1937-1991. | Dublin City Electoral Lists |
| 20498 | Dublin City Library and Archive | | 1991-2001 | Voters Registration Books 1991-2001. | Dublin City Electoral Lists |
| 23209 | Good Shepherd Sisters | | 1955-1991 | Closed Convents:Dunboyne 1955 to 1991 i) administrat... | |
| 252 | Irish Film Archive | Red and Green | 1991 | 'Red and Green': Production Company: Cornerstone P... | |
| 319 | Irish Film Archive | Eh Joe | 1991 | 'Eh Joe': Production company: Yellow Asylum... | |
| 12359 | Irish Nurses and Midwives Organisation | | 1925-1991 | The collection contains the following published jour... | Irish Nurses' Organisation |
| 24547 | Irish Nurses and Midwives Organisation | | 1991
1992 | Folder, Executive Council Minute book, September 199... | Irish Nurses' Organisation |
| 24549 | Irish Nurses and Midwives Organisation | | 1991 | Folder, Executive Council Minute book, March 1991 to... | Irish Nurses' Organisation |
| 24550 | Irish Nurses and Midwives Organisation | | 1989-1991 | Folder, Executive Council Minute book, July 1989 to ... | Irish Nurses' Organisation |
| 1149 | Irish Theatre Archive | ITA/131/4/197-227 | 1960-1991 | Ursula's Doyles later career, 36 photographs, c.... | Jimmy O'Dea Collection |
| 21798 | Kerry Diocesan Archives (RC) | DOS/4 | 1991 | Australia visit, 1991. Notes on Sneem origins of Pre... | Bishop Diarmuid O'Suilleabhain, 1985-1994 |
| 13827 | Limerick Museum | AQNO(1996.0750) | 1984-1991 | Leaflet, advertising. Southill Development Co-Operat... | |
| 13828 | Limerick Museum | AQNO (1991.264) | 1991 | Pamphlet; 'Living at the Time of the Siege of Li... | |
| 15199 | National Archives of Ireland | 2003 | 1894-1991 | National School records for Dalkey, Co. Dublin | National Schools, Private Accessions |
| 15220 | National Archives of Ireland | 98/59 | 1861-1991 | National School records for St Brigid's Palmerstown,... | National Schools, Private Accessions |
| 12236 | National Archives of Ireland | 98/17/6/3 | 1957-1991 | Irish Housewives Association, Consumer Bodies Consum... | Irish Housewives Association (Hilda Tweedy Papers) |
| 12242 | National Archives of Ireland | 98/17/11/2 | 1972-1991 | International Alliance of Women, Workshops/Seminars ... | Irish Housewives Association (Hilda Tweedy Papers) |
| 12326 | National Irish Visual Arts Library (NIVAL) | | 1991
1997 | File 1 contains newsclippings about women in art, fo... | Irish Art General Files, Women in Art |
| 13824 | National Irish Visual Arts Library (NIVAL) | | 1987-1991 | A guide to the following material is available in th... | Women Artists Action Group |
| 14793 | National Women's Council of Ireland | | 1991 | Council for the Status of Women, Annual Report 1991. | |
| 14837 | National Women's Council of Ireland | | 1991 | 'Submission to the Commission on the Status of Women... | |
| 14838 | National Women's Council of Ireland | | 1991 | 'Submission to the Commission on the Status of Women... | |
| 14871 | National Women's Council of Ireland | | 1991 | 'Council for the Status of Women, Annual Journal' (S... | |
| 14894 | National Women's Council of Ireland | | 1991 | 'Equal Opportunities Review', no. 40 (November/Decem... | |
| 14861 | National Women's Council of Ireland | | 1989-1991 | Folder with Minutes of the meeting of The National W... | |
| 11838 | OPW-Maynooth University Archive and Research Centre (OMARC) | Box 4 | 1896-1991 | Property: Rockfield Box 4Includes:Copy letter to Mrs... | Airfield Archive |
| 11839 | OPW-Maynooth University Archive and Research Centre (OMARC) | Box5 | 1896-1991 | Property: Brittas Box 5Includes:File entitled 'Q... | Airfield Archive |
| 11837 | OPW-Maynooth University Archive and Research Centre (OMARC) | Box 3 | 1896-1991 | Property: General Box 3Includes letter to Fred Sutto... | Airfield Archive |
| 11840 | OPW-Maynooth University Archive and Research Centre (OMARC) | Box 6 | 1896-1991 | Property: Additions Box 6Includes:Receipt for ground... | Airfield Archive |
| 11858 | OPW-Maynooth University Archive and Research Centre (OMARC) | Boxes 77,84-85 | 1895-1991 | St John Ambulance Brigade, 1895-1991 Boxes 77, 84-85... | Airfield Archive |
| 11861 | OPW-Maynooth University Archive and Research Centre (OMARC) | Box 80 | 1895-1991 | St John Ambulance Brigade: Irish War Hospital Supply... | Airfield Archive |
| 11862 | OPW-Maynooth University Archive and Research Centre (OMARC) | Box 81 | 1895-1991 | St John Ambulance Brigade Photographs Box 81Includes... | Airfield Archive |
| 11870 | OPW-Maynooth University Archive and Research Centre (OMARC) | Box 95 | 1903-1991 | Motoring: R.I.A.C., Leinster Motor Club, Munster Mot... | Airfield Archive |
| 11859 | OPW-Maynooth University Archive and Research Centre (OMARC) | Box 78 | 1895-1991 | St John Ambulance Brigade: Awards and Presentations ... | Airfield Archive |
| 11860 | OPW-Maynooth University Archive and Research Centre (OMARC) | Box 79 | 1895-1991 | St John Ambulance Brigade: Royal United Kingdom Bene... | Airfield Archive |
| 11863 | OPW-Maynooth University Archive and Research Centre (OMARC) | Boxes 82-83,86 | 1895-1991 | St John Ambulance Brigade: Additions Boxes 82-83, 86... | Airfield Archive |
| 11867 | OPW-Maynooth University Archive and Research Centre (OMARC) | Box 92 | 1903-1991 | Motoring: Log Books, Drivers Licences and Road Maps ... | Airfield Archive |
| 11868 | OPW-Maynooth University Archive and Research Centre (OMARC) | Box 93 | 1903-1991 | Motoring: Rolls Royce Box 93 Includes, among other d... | Airfield Archive |
| 11869 | OPW-Maynooth University Archive and Research Centre (OMARC) | Box 94 | 1903-1991 | Motoring: Austin, Peugeot, Volvo, Rover, 20-Ghost Cl... | Airfield Archive |
| 6848 | Public Record Office of Northern Ireland | D/3485 | 1966-1991 | Records of the Northern Ireland Citizen's Advice Bur... | |
| 7205 | Public Record Office of Northern Ireland | D/3084 | 1795-1991 | A detailed calendar of this collection is available.... | H. Montgomery Hyde Papers |
| 7459 | Public Record Office of Northern Ireland | D/4096 | 1940-1991 | 84 volumes of records of the Northern Ireland Counci... | |
| 1326 | Religious Society of Friends in Ireland Historical Library | MMII/R12-20 | 1817-1991 | History and Library: MMII R12 Dublin Monthly Meeti... | Dublin Monthly Meeting |
| 23526 | Representative Church Body Library | RCBL MS 749 | 1958-1991 | General Council Minute Book, 20 May 1958-14 May 1991... | Mothers' Union Collection |
| 23710 | Representative Church Body Library | | 1892-1991 | Cardboard box marked YWCA contains:1 volume, YWCA Me... | Young Women's Christian Association (YWCA) |
| 22490 | Royal Victoria Hospital, Belfast | | 1991-1992 | 2 volumes of Royal Victoria Hospital Council Minutes... | |
| 22623 | RTÉ Archive (Sound) | | 1991 | 22 Septemebr 1991, Donnchas Sunday: Mary O'Brien. | Sound Archive |
| 22624 | RTÉ Archive (Sound) | | 1991 | 14 October 1991, Far across the sea Irish Women in 1... | Sound Archive |
| 22625 | RTÉ Archive (Sound) | | 1991 | 2 November 1991, Keeping the Peace: Sargeant Sharon ... | Sound Archive |
| 22626 | RTÉ Archive (Sound) | | 1991 | 2 November 1991, Keeping the Peace: Her Story. | Sound Archive |
| 22627 | RTÉ Archive (Sound) | | 1991 | 5 November 1991, Poets Chair: Rosita Boland. | Sound Archive |
| 22628 | RTÉ Archive (Sound) | | 1991 | 17 November 1991, Keeping the Faith: Rabbi Julia Nuf... | Sound Archive |
| 22629 | RTÉ Archive (Sound) | | 1991 | 4 December 1991, Poets Chair: Jean O'Brien. | Sound Archive |
| 22692 | South Eastern Education and Library Board Local History Collection | | 1851-1991 | Extracts from the Census of Population relating to t... | Local Studies Collection |
| 24218 | Sunbeam House | Box no. 133 | 1874-1991 | Sunbeam House board meeting minutes 1987Admission bo... | |
| 24220 | Sunbeam House | Box no. 135 | 1874-1991 | Admission book 1906 to 1953Admission book 1874 to 19... | |
| 24221 | Sunbeam House | Box no. 136 | 1898-1991 | Newspaper cuttings 1944 to 1984Wills, legacies, inve... | |
| 24222 | Sunbeam House | Box no. 137 | 1891-1991 | Sunbeam House discharged residents (male) 1942 to 19... | |
| 24223 | Sunbeam House | Box no. 138 | 1875-1991 | Miscellaneous correspondence 1975 to 1991Schedule 18... | |
| 18614 | Trinity College Dublin, Manuscripts and Archives Department | TCD MS 10408 | 1910-1991 | Literary papers of James Stephens (prose works, revi... | Papers of James and Cynthia Stephens and their children Iris Wise (née Step |
| 9952 | UCC College Archives | | 1990-1991 | The Oral History Project Data exists in the form of ... | Oral History Projects |
| 3643 | UCC Special Collections & Archives | BL/F/AP | 1963-1991 | 133 boxes & ephemera of archival material. ... | Attic Press/Róisín Conroy Collection |
| 10624 | UCD Archives | FF/E/IV/872 (P176) | 1991 | Material relating to the June 1991 local elections, ... | Fianna Fáil Party Collection |
| 10630 | UCD Archives | FF/D/V/786 (P176) | 1984-1991 | Minute Book of Ard Fheis Committee Meetings, includi... | Fianna Fáil Party Collection |
| 10638 | UCD Archives | FF/B/IX/1/450-483 (P176) | 1948-1991 | Constituency Correspondence Files of Mary O'Shea... | Fianna Fáil Party Collection |
| 10642 | UCD Archives | FF/B/IX/3/496-509 (P176) | 1977-1991 | Files on Annual National Youth Conferences, 1977-199... | Fianna Fáil Party Collection |
| 10641 | UCD Archives | FF/B/IX/2/b//490-495 (P176) | 1986-1991 | Correspondence files of National Youth Committee, re... | Fianna Fáil Party Collection |
| 10645 | UCD Archives | FF/B/IX/5/524 (P176) | 1991-1992 | Correspondence relating to applications for Ó... | Fianna Fáil Party Collection |
| 10648 | UCD Archives | FF/B/1/4/c/249-251 (P176) | 1984-1991 | Personal Correspondence of Frank Wall as General Sec... | Fianna Fáil Party Collection |
| 18612 | University of Limerick Special Collections and Archives | P40 | 1843-1991 | The papers have been divided into three series: busi... | The O'Mara Papers |