| 13281 | Armagh County Museum | 1955/116 | 1902, 1926 | 2 letters from Æ [George Russell] to Miss Eliz... | |
| 16406 | Armagh Diocesan Archive (RC) | | 1918
1926 | Material relating to the Irish language, includes:Le... | Cardinal O'Donnell Archive |
| 16409 | Armagh Diocesan Archive (RC) | | 1889
1900
1919
1926 | Material relating to the Religious, includes:Folder ... | Cardinal O'Donnell Archive |
| 14599 | Belfast Central Library | | 1925-1926 | Correspondence about Sarah Siddons, actress (1755-18... | Francis Joseph Bigger Archive |
| 6065 | Clare County Archives | | 1925-1926 | Minutes of Clare County Board of Health, Home Assist... | County Clare Board of Health |
| 13693 | Cork City and County Archives | U17 | 1825-1936
1925 | Extracts from the Annals of Bandon Presentation Conv... | |
| 1180 | Cork Public Museum | AQNOL1945:148 | 1926 | Letter from Alice S. Green to Sir Bertram Windle con... | |
| 13697 | Cork Public Museum | AQNOL1955:225 | 1926 | Sinn Féin Ard Fheis thar ceann card for Mary ... | |
| 13698 | Cork Public Museum | AQNOL1996:124 | 1926
1965 | Letter to Thomas Johnson, TD, 8 April 1926 (carbon c... | Nora Wallace Collection |
| 20768 | Cork Public Museum | AQNOL1970:44/ | 1925-1926 | 20 Routine business, paginated 1-176, containing lis... | |
| 22915 | Delany Archive | Box Bp/19 File PF/1925/ | 1925 | 25: 10 March 1925 Brother J.C. Craven, Dublin to Bis... | Papers of Dr Patrick Foley, Bishop of Kildare & Leighlin |
| 18495 | Dublin Diocesan Archives (RC) | AB7/lay organisations 4 | 1925 | Request for donation for the Jubilee Nurses of Irela... | Byrne Papers |
| 18522 | Dublin Diocesan Archives (RC) | AB 7/Charitable, lay orgs | 1926 | Letter from the Irish Guild of Catholic Nurses 1926,... | Byrne Papers |
| 21871 | Kerry Local Studies and Archives Department | | 1925 | County Kerry Board of Health, Minute Book, October 1... | Kerry County Council |
| 13692 | Kilmainham Gaol Museum | 21MT-1C11-23 | 1925 | Angela Doyle, September 1925, mortuary card. | History General |
| 13892 | Kilmainham Gaol Museum | 21LG-1B55-07 | c.1925 | The Constitution of Cumann na mBan, c.1925. | |
| 13893 | Kilmainham Gaol Museum | 21MS-1B54-23 | c.1926 | Newscutting relating to Waterford outrages/George Gi... | |
| 21598 | Laois Local Studies | B/ | 1925 | 42. Half-Yearly General Consolidated Account Books, ... | Laois County Council |
| 21620 | Laois Local Studies | C/ | 1925-1926 | 77. Financial Statement and Expenditure Book, consol... | Laois County Council |
| 21648 | Laois Local Studies | | 1925 | 12. Consolidated Account Book, Abbeyleix Rural Distr... | Laois Local Authority Records |
| 21676 | Laois Local Studies | | 1925 | 35. Consolidated Account Book, 1925. | Slievemargy Rural District Council |
| 20568 | Meath Local Studies and Family History Department | UDC/I/H/ | 1921
1922
1926
1930
1937
1940 | Health, Sub-Sanitary Officers: 11 October, 1921-May... | Navan Urban District Council |
| 21258 | Meath Local Studies and Family History Department | UDC/I/K/ | 1926 | General Works and Services, Buildings and Extensions... | Navan Urban District Council |
| 12370 | Military Archives | Lot216 | 1925 | Harold McBrine (McBrien?) Ballintogher, County Sligo... | Captured Documents |
| 13688 | Military Archives | Lot212 | 1924
1925 | Patrick Sharry, Brownstown House, County Westmeath, ... | Captured Documents |
| 13689 | Military Archives | Lot214 | 1925 | Mrs Gordon (later Mrs Austin Stack) papers, captured... | Captured Documents |
| 13691 | Military Archives | Lot221 | 1925 | Michael Seery, Corr, Ballymore, County Westmeath ... | Captured Documents |
| 13891 | Military Archives | Lot233 | c.1925 | Documents relating to various republican organisatio... | Captured Documents |
| 732 | National Archives of Ireland | BG/79/FD1 | 1926 | Inventory Book: April 1926 - September 1926. | South Dublin Poor Law Union and Rural District Council |
| 3746 | National Archives of Ireland | L2583-1939 | 1925
1939 | File on Miss Hannah Bowen, County Cork relating to t... | Department of Agriculture |
| 3814 | National Archives of Ireland | S004/0157/26 AFO | 1926 | Department of Finance, Supply Files, 1926. S004/0157... | Department of Finance |
| 3848 | National Archives of Ireland | H287/14 | 1925 | Department of Justice. H287 Civil Service Regulation... | Department of Justice |
| 4707 | National Archives of Ireland | ED8/3 | 1925 | ED8/3 File relating to disciplinary action against ... | Department of Education/Commissioners of National Education |
| 5272 | National Archives of Ireland | | 1926 | Committee on Evil Literature, Revd. Richard Devane, ... | Department of Justice |
| 5273 | National Archives of Ireland | | 1926 | Committee on Evil Literature: Dublin Branch, Irish N... | Department of Justice |
| 5261 | National Archives of Ireland | s5195 | 1926 | Death Sentence on Mary Kiernan. File relating to the... | Department of An Taoiseach |
| 5274 | National Archives of Ireland | | 1908
1925
1926 | Committee on Evil Literature, Department of Posts an... | Department of Justice |
| 5618 | National Archives of Ireland | s3406A/3 | 1926 | Anti-State Activities, Case of Mrs M.A. Burke, nee C... | Department of An Taoiseach |
| 11442 | National Archives of Ireland | F451 | 1925 | File containing copies of the Widows', Orphans&#... | Governor General |
| 23972 | National Archives of Ireland | DJUS/H10044/275 | 1925 | Annie Walsh In August 1925 Walsh and her nephew were... | Department of Justice |
| 23974 | National Archives of Ireland | Court of Criminal Appeal 19/25 | 1925 | Hannah O’Leary, 1925. O’Leary, convicted with h... | Department of Justice |
| 987 | National Library of Ireland | Ms11488 | 1926 | Photostat copy of a statement of Miss Gertrude Parry... | |
| 2675 | National Library of Ireland | Mss5000-5001 | 1925 | Draft and revised copies of `The Big House of Inver'... | |
| 2833 | National Library of Ireland | Ms24116 | 1925 | Letters to Hanna Sheehy Skeffington, 1925, relating ... | Sheehy-Skeffington Papers |
| 2835 | National Library of Ireland | Ms24118 | 1925 | Letters to Hanna Sheehy Skeffington, 1925, relating ... | Sheehy-Skeffington Papers |
| 2810 | National Library of Ireland | Ms24092 | 1925 | Letters to Hanna Sheehy Skeffington, 1925, mainly re... | Sheehy-Skeffington Papers |
| 2812 | National Library of Ireland | Ms24094 | 1925 | Letters to Hanna Sheehy Skeffington and associated c... | Sheehy-Skeffington Papers |
| 2813 | National Library of Ireland | Ms24095 | 1926 | Letters to Hanna Sheehy Skeffington, 1926, mainly re... | Sheehy-Skeffington Papers |
| 2834 | National Library of Ireland | Ms24117 | 1925 | Letters to Hanna Sheehy Skeffington, 1925, relating ... | Sheehy-Skeffington Papers |
| 2836 | National Library of Ireland | Ms24119 | 1926 | Letters to Hanna Sheehy Skeffington and associated c... | Sheehy-Skeffington Papers |
| 9718 | National Library of Ireland | Ms18128 | 1926 | Typescript copy of letter from John Devoy appealing ... | Devoy Papers |
| 9759 | National Library of Ireland | Ms17479 | 1925-1926 | Six letters from Katherine Enright to Liam Pedlar wi... | Joseph McGarrity Papers |
| 10798 | National Library of Ireland | Ms20705 | 1925 | Includes letters from Lady Gregory and George O'... | Earnán de Blaghd Papers |
| 10955 | National Library of Ireland | Ms21714 | c1925 | Two manuscript notebooks and six typescript pages wi... | |
| 11038 | National Library of Ireland | Ms17659 | July 1925 | Memorandum from Cumann na mBan to its auxiliary orga... | Joseph McGarrity Papers |
| 5466 | Newtown School, Waterford | CB/91 | 1925 | International Hockey, 1925. | |
| 6371 | Public Record Office of Northern Ireland | T/1777/3 | c1925 | Copy of an emigrant letter from Annie McKeown, Miami... | |
| 8146 | Public Record Office of Northern Ireland | T/1914/1 | 1926 | Copy of a letter containing genealogical notes on th... | |
| 7334 | Public Record Office of Northern Ireland | D/3735 | 1925 | This collection includes a file of correspondence, m... | Clanmorris Estate Papers |
| 21470 | Queen's University Belfast Special Collections and Archives | MS74 | 1925-1926
1956-1957 | Mss1/110-113 Northern Ireland, Ministry of Home Affa... | QUB Miscellaneous Manuscripts |
| 870 | Religious Society of Friends in Ireland Historical Library | Albums 1-40 | 1870-1871
1874-1914
1893-1900
1946-1948
1909
1912
1925 | Albums 2-3 Commissioners of the Friends War Victims... | Photographic Collections |
| 1304 | Religious Society of Friends in Ireland Historical Library | | 1926 | Records: Stella M.B. Webb's School Certificate a... | Museum Collection |
| 1319 | Religious Society of Friends in Ireland Historical Library | | 1926 | Social Work and Exhibitions: Badge with pin and name... | Museum Collection |
| 7632 | South Eastern Education and Library Board Local History Collection | IR792.094161 | 1925 | Printed pamphlet by Francis Joseph Bigger entitled, ... | Local Studies Collection |
| 10275 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs4052/2 | 1914
1925 | Speech by Nelly O'Brien [Gaelic League, ecumenist], ... | |
| 10315 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs4505 | 1925-1926 | Copy Book of Estella Solomons containing a list of n... | O'Sullivan/Solomons Collection |
| 10344 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs10945 | 1925 | Photograph album of a lawn tennis tournament held at... | |
| 11147 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs5045 | 1925 | Diary of Florence Vere O'Brien, 1925. | O'Brien Family |
| 6873 | UCC Special Collections & Archives | BL/EP/G/725 | 1925 | Letter to Stephen Grehan from Barbara Wright, Intern... | Grehan Estate Collection |
| 9810 | UCC Special Collections & Archives | BL/EP/G/875 | 1925 | Letter to Magda Grehan from [Dorothy] Gaisford St La... | Grehan Estate Collection |
| 10600 | UCD Archives | FF/A/II/1/22 (P176) | 1926 | Material relating to the split with Sinn Féin... | Fianna Fáil Party Collection |
| 10601 | UCD Archives | FF/A/II/I/23 (P176) | 1926 | Material relating to the split with Sinn Féin... | Fianna Fáil Party Collection |
| 19355 | Westmeath County Archives Department | | 1925 | 336 Charles Brinsley Marlay, Anna Maria Tottenham, ... | Howard Bury Papers |