| 19113 | Armagh Robinson Library | Volume 2 | 1825 | A letter referring to the proposal of Mrs Balfour to... | Primate J.G. Beresford Papers |
| 16219 | Birr Castle Archives | A-W | 1825 | N/3: 4 letters of Lister Lister Kaye and his wife, C... | The Rosse Papers |
| 16760 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1825-1832 | Lismore Estate:Rent Day Book, 1825-1832, Clogheen, 1... | Bolton Library Archive |
| 16920 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1825-1831 | Among material located in the filing cabinet:(3) Cas... | Bolton Library Archive |
| 4136 | Church of Ireland Centre | Ms686 | 1825-1854 | List, with index by school, of male and female train... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 4250 | Church of Ireland Centre | Ms433 | 1825 | Lease between Elizabeth and Sarah Clarke, Marlfield ... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 4251 | Church of Ireland Centre | Ms485 | 1825 | Lease between Elizabeth, Isabella and Louisa Richard... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 4252 | Church of Ireland Centre | Ms487 | 1825 | Unsigned lease between Magistrate McHugh, Westport, ... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 4253 | Church of Ireland Centre | Ms493 | 1825 | Lease between Lady Harriet Savage, Hollymount, Count... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 4254 | Church of Ireland Centre | Ms533 | 1825 | Letter from Shapland Carew confirming that the house... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 4294 | Church of Ireland Centre | Box 16 | 1825 | Inspectors' Correspondence I:Serial No 119 W. Fi... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 4297 | Church of Ireland Centre | Box No23 | 1825 | Papers regarding Publication of Cheap Books I:Serial... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 19467 | Cloyne Diocesan Archive (RC) | Box D | 1825 | 1792.03/1/1825 Letter from Bishop John Murphy, Cork,... | Bishop Collins |
| 19468 | Cloyne Diocesan Archive (RC) | Box D | 1825 | 1792.05/7/1825 Summons of Ellen O'Driscoll before B... | Bishop Collins |
| 13693 | Cork City and County Archives | U17 | 1825-1936
1925 | Extracts from the Annals of Bandon Presentation Conv... | |
| 6264 | Cultural Heritage Services Library, Armagh | 338.476771164 | 1809-1825 | 12 volumes of bound, printed yearly reports of the L... | |
| 23751 | Delany Archive | Box Bp/03 File JKL.1825/ | 1825 | 02: 18 January 1825 Mary A. Lalor, Tullow to Doyle, ... | Papers of Dr James Doyle, Bishop of Kildare & Leighlin |
| 23752 | Delany Archive | Box Bp/03 File JKL.1825/ | 1825 | 28: 16 July 1825 draft. Doyle to SC Propaganda. Cong... | Papers of Dr James Doyle, Bishop of Kildare & Leighlin |
| 23753 | Delany Archive | Box Bp/03 File JKL.1825/ | 1825 | 31: 10 August 1825 Lady Burton Pollerton to Doyle re... | Papers of Dr James Doyle, Bishop of Kildare & Leighlin |
| 23754 | Delany Archive | Box Bp/03 File JKL.1825/ | 1825 | 47: 19 November 1825 M.P. Finn to Doyle, Old Derrig.... | Papers of Dr James Doyle, Bishop of Kildare & Leighlin |
| 23755 | Delany Archive | Box Bp/03 File JKL.1825/ | 1825 | 55: 30 December 1825 Lord Killeen, Corbalton Hall, t... | Papers of Dr James Doyle, Bishop of Kildare & Leighlin |
| 22939 | Down and Connor Diocesan Archive (RC) | A-T | 1779-1825 | B. Correspondence of Bishops Hugh McMullan, Patrick ... | |
| 22940 | Down and Connor Diocesan Archive (RC) | A-T | 1825-1835 | C. Correspondence of Bishop/Archbishop William Croll... | |
| 21801 | Kerry Diocesan Archives (RC) | DOS/23 | 1825-1827 | Extract from Education Reports, 1825 -1827, regardin... | Bishop Diarmuid O'Suilleabhain, 1985-1994 |
| 21107 | King's Hospital School | 180-195 | 1675-1825 | 182 Pupil, educated , list of, 1675 - 1825. | King's Hospital Records |
| 20026 | Limerick Archives | P1 | 1825-1908 | Income and Expenditure Book:37. October 1865 - July ... | Limerick Chamber of Commerce |
| 5761 | Maynooth University and St Patrick's College, Maynooth | | 1825-1960 | Minute Book of the Proceedings of the Hibernian Bibl... | Hibernian Bible Society |
| 4095 | National Archives of Ireland | OP/654/19/Series 1 | 1824-1825 | Lock Hospital and St John's Fever Hospital, Lime... | Official Papers |
| 15537 | National Archives of Ireland | 999/149/18 | 1825 | Bargain and sale forever by Mary Perry, Newcastle, C... | Small Private Accessions |
| 993 | National Library of Ireland | Mss11814-11815 | 1825-1867 | Rentals of the Dublin Corporation estates, 1867 and ... | Domvile Papers |
| 1578 | National Library of Ireland | Ms5985 | 1817-1825 | Letters from Mary Leadbeater to her daughter, Elizab... | |
| 1906 | National Library of Ireland | Ms3913 | c1825 | A small book of verse compiled by Isa Tottenham, c18... | |
| 1943 | National Library of Ireland | Ms4738 | 1825 | 'The King's visit to Ireland' a poem copied and pres... | |
| 2426 | National Library of Ireland | Ms878-884 | 1825-1859 | Combined Diary and Commonplace Books of Lady Sydney ... | |
| 2427 | National Library of Ireland | Ms3562 | 1825 | Commonplace Book containing poems inscribed 'Alicia ... | |
| 2594 | National Library of Ireland | Ms4329 | 1825-1850 | Wages' Book of male and female servants employed by ... | |
| 2715 | National Library of Ireland | Ms21665 | 1816-1825 | Bills and receipts pertaining to Lady Caroline Damer... | |
| 2308 | National Library of Ireland | Ms4810 | c1825 | Biographical notes compiled by Mrs Caroline Hamilton... | Wicklow papers |
| 2913 | National Library of Ireland | Ms8563 | 1825-1848 | Letters from James Fintan Lalor, 1825-1848, includes... | Lalor Papers |
| 3030 | National Library of Ireland | Ms9746 | 1825-1826 | Accounts of Lady Henry Moore as an administrator of ... | Drogheda Papers |
| 3031 | National Library of Ireland | Ms9760 | 1816-1825 | Miscellaneous papers which include entries for the C... | Luke Cullen Papers |
| 3048 | National Library of Ireland | Ms9978 | 1812-1825 | Rent Book, Bellew Estate, Mountbellew, County Galway... | |
| 3458 | National Library of Ireland | Ms10370 | c1773-1825 | Letters to Mrs Balfour, mother of Blayney Townley Ba... | Townley Hall Papers |
| 9234 | National Library of Ireland | Ms15540 | 1825-1834 | Three letters of Daniel O'Connell to his wife Mary, ... | |
| 9616 | National Library of Ireland | Ms29758(3) | 1825 | Applotment of Tintern parish for cess, 26 November 1... | Colclough Papers |
| 9685 | National Library of Ireland | Ms27195 | 1812-1825 | Letters from Hely Dutton, landscape designer and sur... | Bellew Papers |
| 10734 | National Library of Ireland | Ms19761 | 1825-1839 | Nineteen Account Books including rents, kept by Dani... | Bourke Papers |
| 10768 | National Library of Ireland | Ms20343 | 1825 | Letter to Charles King O'Hara from Thomas Turner, Go... | O'Hara Papers |
| 10902 | National Library of Ireland | Ms21758 | 1825 | Photocopy of a letter from Letitia More O'Ferrall, B... | |
| 11855 | OPW-Maynooth University Archive and Research Centre (OMARC) | Boxes 70-71 | 1825-1987 | Overend Family History 1825-1987 Thomas Brown Gray O... | Airfield Archive |
| 11856 | OPW-Maynooth University Archive and Research Centre (OMARC) | Boxes 73-75 | 1825-1987 | Overend Family History, 1825-1987 Boxes 73-75Include... | Airfield Archive |
| 16532 | Presentation Sisters Congregational Archives | DON1/7 | 1825 | Exact copy of the last will of Miss Hannah Gould, da... | Presentation Sisters South West Province - St Joseph's Convent, Doneraile |
| 6997 | Public Record Office of Northern Ireland | D/2487/1 | 1825-1881 | Presbyterian Church, Magherhamlet, County Down: Sess... | |
| 7039 | Public Record Office of Northern Ireland | D/2626 | 1825-1903 | 7 documents relating to the Fitzpatrick family, Belf... | |
| 7202 | Public Record Office of Northern Ireland | D/308/ | 1825-1842 | D/308/18; D/308/29 Marriage settlement and deed of s... | Fearon Papers |
| 7299 | Public Record Office of Northern Ireland | D/3622/4 | 1825 | Apprenticeship indenture of Martha Magrath, Clarkehi... | |
| 7321 | Public Record Office of Northern Ireland | D/3678 | 1825-1936 | Records of Robinson and Cleaver Limited, Royal Irish... | |
| 7359 | Public Record Office of Northern Ireland | D/3817 | 1825-1935 | A folder of documents relating to the claims of Lord... | |
| 7415 | Public Record Office of Northern Ireland | D/3981 | 1825-1977 | 95 volumes, 35 files and c300 documents relating to ... | |
| 7428 | Public Record Office of Northern Ireland | D/4010 | 1825-1832 | 18 documents relating to the McClean family of Rockf... | |
| 8141 | Public Record Office of Northern Ireland | T/1899 | 1825-1962 | Pedigree of the O'Brien and Archibald family, Nova S... | |
| 8490 | Public Record Office of Northern Ireland | T/2830 | 1821-1825 | Copy of a volume of correspondence from Doctor John ... | |
| 8566 | Public Record Office of Northern Ireland | T/3459/ | 1806-1825 | T/3459/D and T/3459/F Letters from and about the mis... | |
| 579 | Religious Society of Friends in Ireland Historical Library | YM/B8 | 1800-1825 | Women's Meeting: Epistles, 1800-1825. Volume conta... | Yearly Meetings |
| 580 | Religious Society of Friends in Ireland Historical Library | YM/B9 | 1825-1843 | Women's Meeting: Epistles and answers to queries, 18... | Yearly Meetings |
| 774 | Religious Society of Friends in Ireland Historical Library | QMIII/B3/Reel4 | 1825-1839 | Women's Meeting: Minutes of Ulster Quarterly Women's... | Ulster Quarterly Meetings |
| 1249 | Religious Society of Friends in Ireland Historical Library | | 1825 | Art: Card with dried seaweeds 14 x 11 cm, collected ... | Museum Collection |
| 5337 | Religious Society of Friends in Ireland Historical Library | | 1825-1895 | Testimonies: Copies of Testimonies of Disunity and R... | County Tipperary Monthly Meeting |
| 5180 | Representative Church Body Library | D4/2-D4/3 | 1825-1932 | D4 Elphin and Ardagh Diocesan Papers, 1724-1975.Elph... | Elphin and Ardagh Diocesan Papers, 1724-1975 |
| 5181 | Representative Church Body Library | D4/10-D4/13 | 1825-1955 | D4 Elphin and Ardagh Diocesan Papers, 1724-1975. Ard... | Elphin and Ardagh Diocesan Papers, 1724-1975 |
| 22393 | Royal College of Physicians of Ireland | | 1825-1826 | Letters and Reports and Other Documents relating to ... | Kings and Queens College of Physicians |
| 22772 | Tower Museum, Derry-Londonderry | | 1825 | Printed committal to Londonderry Gaol for Martha Lou... | |
| 6433 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs2504/1 | 1825-1846 | Poems by Mary Eliza Hamilton, 1825, 1842, 1846 and n... | Hamilton Papers |
| 10260 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs3518 | 1805-1825 | Letters to Elizabeth Leadbeater, mainly from Betsy S... | Shackleton Family Papers |
| 10274 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs5098/1-17 | 1681
1825
1829
1871
1895 | Includes: Typescript copy of a letter of Lady France... | |
| 10378 | Trinity College Dublin, Manuscripts and Archives Department | CourtownV234 | 1823-1825 | Courtown Ladies Association Minute Book, 1823-1825. | Courtown Papers |
| 10527 | Trinity College Dublin, Manuscripts and Archives Department | TCDMss4192-4198 | 1813-1825 | Diaries of Selina Crampton, wife of Sir Philip Cramp... | Crampton Papers |
| 11201 | Trinity College Dublin, Manuscripts and Archives Department | V119/a-b | 1821-1825 | Correspondence of Viscount and Viscountess Stopford ... | Courtown Papers |
| 11677 | Trinity College Dublin, Manuscripts and Archives Department | TCDMss5273-5284 | 1803-1825 | Incorporated Society for Promoting Protestant School... | Incorporated Society for Promoting Protestant Schools in Ireland |
| 11678 | Trinity College Dublin, Manuscripts and Archives Department | TDCMs5303-5305 | 1806-1825 | Incorporated Society for Promoting Protestant School... | Incorporated Society for Promoting Protestant Schools in Ireland |
| 21951 | UCC Special Collections & Archives | U175 | 1825 | Box 1 comprises of legal documents, for example, a s... | |
| 21971 | UCC Special Collections & Archives | U175 | 1825 | Box 21 includes legal documents including a number r... | |
| 24087 | Union Theological College | | 1825 | 'Comber House of Industry, 1st Report of Committee' ... | Union Theological College Pamphlet Collection |
| 24090 | Union Theological College | | 1825-1830 | 'Belfast Juvenile Society', 1st, 4th, 5th and 6th An... | Union Theological College Pamphlet Collection |