| 13184 | Belfast Central Library | School Registers | 1865-1989 | The library contains the school registers for c.74 p... | |
| 16207 | Birr Castle Archives | A-W | 1863-1865 | J/25: Journals of the 3rd Earl relating to cruises, ... | The Rosse Papers |
| 16841 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1865-1871 | Clonbeg Account Book, 1865-1871, 1 volume. | Bolton Library Archive |
| 16890 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1858-1865 | Marriage Register, Emly parish, 1858-1865, with inse... | Bolton Library Archive |
| 4232 | Church of Ireland Centre | Ms111 | 1865-1878 | Chairman's Committee Minute Book, 19 April 1865-... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 16956 | Clare County Archives | | 1850-1865
1901-1902 | Rough Minute Books:August 1850 - March 1851March 185... | Corofin Poor Law Union |
| 18630 | Cloyne Diocesan Archive (RC) | Box EE | 1865 | 1796.08/1/1865 Extract from the Order of Petition m... | Bishop W. Keane Papers |
| 18631 | Cloyne Diocesan Archive (RC) | Box EE | 1865 | 1796.04/1/1865 Letter from Bishop D Moriarty, Killa... | Bishop W. Keane Papers |
| 18632 | Cloyne Diocesan Archive (RC) | Box EE | 1865 | 1796.07/2/1865 Letter from Miss Warren, Kinsale, to... | Bishop W. Keane Papers |
| 18633 | Cloyne Diocesan Archive (RC) | Box EE | 1865 | 1796.05/16/1865 Letter from Revd. M O'Brien, Mitche... | Bishop W. Keane Papers |
| 18634 | Cloyne Diocesan Archive (RC) | Box EE | 1865 | 1796.05/21/1865 Letter from Revd. C Davis, Grenagh ... | Bishop W. Keane Papers |
| 18635 | Cloyne Diocesan Archive (RC) | Box EE | 1865 | 1796.05/22/1865 Letter from Revd. T W Croke, St Col... | Bishop W. Keane Papers |
| 18636 | Cloyne Diocesan Archive (RC) | Box EE | 1865 | 1796.05/95/1865 Letter from Revd. T Murphy, Youghal... | Bishop W. Keane Papers |
| 18638 | Cloyne Diocesan Archive (RC) | Box EE | 1865 | 1796.06/6/1865 Letter from Sister M Joseph, Mallow,... | Bishop W. Keane Papers |
| 18637 | Cloyne Diocesan Archive (RC) | Box EE | 1865 | 1796.06/5/1865 Letter from Sister M Baptist, Mercy ... | Bishop W. Keane Papers |
| 18639 | Cloyne Diocesan Archive (RC) | Box EE | 1865 | 1796.06/1/1865 Letter from Sister M J Croke, Mercy ... | Bishop W. Keane Papers |
| 18640 | Cloyne Diocesan Archive (RC) | Box EE | 1865 | 1796.05/30/1865 Letter from Revd. D Dilworth, Glanw... | Bishop W. Keane Papers |
| 18641 | Cloyne Diocesan Archive (RC) | Box EE | 1865 | 1796.06/2/1865 Letter from P D McDonnell, Honorary ... | Bishop W. Keane Papers |
| 18642 | Cloyne Diocesan Archive (RC) | Box EE | 1865 | 1796.07/9/1865 Photocopy no 31, Margaret Kepple, Ana... | Bishop W. Keane Papers |
| 18643 | Cloyne Diocesan Archive (RC) | Box EE | 1865 | 1796.07/11/1865 Letter from Mary Kelher, Macroom, t... | Bishop W. Keane Papers |
| 18644 | Cloyne Diocesan Archive (RC) | Box EE | 1865 | 1796.05/44/1865 Letter from Revd. C Davis, Grenagh... | Bishop W. Keane Papers |
| 18645 | Cloyne Diocesan Archive (RC) | Box EE | 1865 | 1796.05/52/1865 Latin request for dispensation and... | Bishop W. Keane Papers |
| 18648 | Cloyne Diocesan Archive (RC) | Box EE | 1865 | 1796.07/18/1865 Letter from Mr P Keenedy, Mitchelst... | Bishop W. Keane Papers |
| 18646 | Cloyne Diocesan Archive (RC) | Box EE | 1865 | 1796.05/71/1865 Letter from Revd. J Cullinan, Macro... | Bishop W. Keane Papers |
| 18647 | Cloyne Diocesan Archive (RC) | Box EE | 1865 | 1796.06/3/1865 Letter from Sister M J Croke, Mercy ... | Bishop W. Keane Papers |
| 18649 | Cloyne Diocesan Archive (RC) | Box EE | 1865 | 1796.06/4/1865 Letter from Sister M J Croke, Mercy ... | Bishop W. Keane Papers |
| 13180 | Cork City and County Archives | U172 | 1865 | Xerox of a letter from Jeremiah O'Donovan Rossa ... | |
| 1394 | Cork Public Museum | AQNO1954:35 | 1865 | Letter, dated 10 October 1865, from O'Donovan Ro... | |
| 1395 | Cork Public Museum | AQNO1954:36 | 1865 | Letter, dated 22 November 1865, from O'Donovan R... | |
| 23797 | Delany Archive | Box Bp/12 File JW.1865/ | 1865 | 10: 3 February 1865 Mrs Lynch Maryboro to Bishop Jam... | Papers of Dr James Walshe, Bishop of Kildare & Leighlin |
| 23798 | Delany Archive | Box Bp/12 File JW.1865/ | 1865 | 11: 2 February 1865 Mrs Redmond, Abbeyleix to Bishop... | Papers of Dr James Walshe, Bishop of Kildare & Leighlin |
| 23799 | Delany Archive | Box Bp/12 File JW.1865/ | 1865 | 09: 18 January 1865 Mrs Ellis, Naas to Bishop James ... | Papers of Dr James Walshe, Bishop of Kildare & Leighlin |
| 23802 | Delany Archive | Bp/12 File JW.1865/ | 1865 | 12: 28 March 1865 Mrs Brophy, Mountmellick to Bishop... | Papers of Dr James Walshe, Bishop of Kildare & Leighlin |
| 6319 | Down and Connor Diocesan Archive (RC) | D.45-66 | 1835-1865 | The collection includes, for example:D.52/17 A lette... | Bishop Cornelius Denvir Papers |
| 22941 | Down and Connor Diocesan Archive (RC) | A-T | 1865-1885 | D. Correspondence of Bishop Patrick Dorrian, 1865-18... | |
| 3139 | Dún Laoghaire-Rathdown County Council | LA1/221 | 1865-1874 | Applications and Complaints, 29 April 1865-1 January... | Blackrock |
| 20430 | Dún Laoghaire-Rathdown County Council | | 1865-1985 | Registers of Internment detailing the name, age, rel... | Records of Dean's Grange Joint Burial Board |
| 20431 | Dún Laoghaire-Rathdown County Council | | 1865-1985 | Registers of Grave Purchases detailing the name, add... | Records of Dean's Grange Joint Burial Board |
| 20433 | Dún Laoghaire-Rathdown County Council | | 1865 | Receipt issued by J. Mercer, Registrar, Deansgrange ... | Records of Dean's Grange Joint Burial Board |
| 23198 | Good Shepherd Sisters | | 1865-1959 | Inter-Provincial Relations 1865 -i) correspondence 1... | |
| 22189 | Irish Jesuit Archives | N4/ | 1865 | 18 Letter from O'Hagan to his 'dear Sister' Marianne... | Papers of Judge John O'Hagan (1822-1890) |
| 21894 | Kerry Local Studies and Archives Department | | 1865 | Deeds, Kerry Estate: No 137 5 December 1865. Fee Far... | Listowel Papers |
| 20809 | Kilmore Diocesan Archives (RC) | Bishops, 1625-1910 | 1829-1865 | Bishop Nicholas Conaty, 1865-188636: Poor Clare Conv... | |
| 20810 | Kilmore Diocesan Archives (RC) | Bishops 1625-1910 | 1829-1865 | Bishop James Browne, 1829-1865 9: Printed letter fro... | |
| 21153 | King's Hospital School | 232-236A | 1829-1865 | 226 Committee Book, 1829 - 1865. | King's Hospital Records |
| 21163 | King's Hospital School | 232-236A | 1865-1931 | 234 Admissions, 1865 - 1931. | King's Hospital Records |
| 20027 | Limerick Archives | P1 | 1808-1865 | Minute books, export books, 1815-1850, letterbooks, ... | Limerick Chamber of Commerce |
| 13181 | Limerick Museum | AQNO (0000.1961) | 1853
1865 | Manuscript. Mortgage. Loan of one thousand pounds by... | |
| 1768 | Louth County Archives | BG80/A/ | 1856 -1865 | Dundalk Poor Law Union, Minute Books: 18 November 1... | Dundalk Poor Law Union |
| 1769 | Louth County Archives | BG80/A/ | 1865-1873 | Dundalk Poor Law Union, Minute Books: 35 May 1865 -... | Dundalk Poor Law Union |
| 14125 | Louth County Archives | | 1865 | Rental of lands of Glyde Farm, the Estate of Lewis U... | |
| 14137 | Louth County Archives | | 1865-1867 | Rental and Account Book for Sir Cavendish Foster, 18... | |
| 20311 | Meath Local Studies and Family History Department | Box A/ | 1862-1865 | 16 Landed Estate court records, 35 documents, 1862-1... | Mountainstown Documents |
| 22824 | Methodist Historical Society of Ireland | | 1850-1865 | Athlone and area Methodist Circuit: Records, 1850-18... | |
| 22843 | Methodist Historical Society of Ireland | | 1865-1982 | Brookborough Methodist Circuit:Membership register, ... | |
| 22869 | Methodist Historical Society of Ireland | | 1856-1865 | Rathmines Methodist Chapel: Account book, 1856-1865 | |
| 3326 | National Archives of Ireland | BG111/NB/1 | 1864-1865 | Abstract of Rates, Lismore Electoral District, Novem... | Lismore Poor Law Union |
| 3962 | National Archives of Ireland | CSO/ICR 14 | 1861-1865 | Fenianism: Index of names, 1861-1865. | Irish Crimes Records |
| 3982 | National Archives of Ireland | CCS1865/173 | 1865 | Chief Crown Solicitor's Office Mary Hayes, prisoner ... | Chief Crown Solicitor's Office |
| 4866 | National Archives of Ireland | 999/836/4 | 1865 | Lease for 14 years by his Grace Richard Chenveix, Lo... | Mercer School Records |
| 11541 | National Archives of Ireland | Carton 4/3/714 | 1865-1869 | Fenian Briefs: Includes: Letter from Maria Shaw [ali... | Fenian Papers |
| 15250 | National Archives of Ireland | 2001/79 | 1865-1948 | National School records for Dangan, Kilmore, Carrick... | National Schools, Private Accessions |
| 15256 | National Archives of Ireland | 2001/103 | 1865-1983 | National School records for St Brigid's and Lower Ro... | National Schools, Private Accessions |
| 15370 | National Archives of Ireland | 99/56/10/14/11 | 1865 | Papers relating to King's County. Lease for 58 years... | Family and estate records. 1611-1948 |
| 1570 | National Library of Ireland | Mss3547-3548 | 1858-1865 | Letters of George S Roden of Newgrove, Kells, mainly... | |
| 1954 | National Library of Ireland | Mss4793-4795 | 1860
1865-1866
1869-1870 | Three journals of Lady Alice Howard which include ac... | Wicklow Papers |
| 2489 | National Library of Ireland | Ms12143 | 1858-1865 | Lady's Account Book [? of a member of the Otway fami... | Otway Papers |
| 2750 | National Library of Ireland | Ms20955 | c1855-1865 | Letters to John D'Alton from his daughter Eliza (Sis... | D'Alton Papers |
| 2481 | National Library of Ireland | Ms10247 | 1811-c1865 | Recipes, menus, remedies, household notes, etc., mai... | Townley Hall Papers |
| 2753 | National Library of Ireland | Ms20958 | c1859-1865 | Letters to John D'Alton from his daughter Nanny (Sis... | D'Alton Papers |
| 2922 | National Library of Ireland | Ms8647 | 1820-1865 | Documents relating to the O'Beirne family, Jamestown... | O'Beirne Papers |
| 3471 | National Library of Ireland | Mss10520-10521 | 1848-1865 | Sixteen letters to`Eva' (Mary Kelly, afterwards Mrs ... | |
| 9084 | National Library of Ireland | Ms14277 | 1858-1865 | Lady's personal Account Book concerning dress-making... | |
| 9091 | National Library of Ireland | Mss14328-14332 | 1851-1865 | Five notebooks [of Mrs John Woulfe Flanagan, nee Sus... | O'Loghlen Papers |
| 9095 | National Library of Ireland | Ms14342 | 1828-1865 | Household accounts of the Conolly family, Castletown... | |
| 9115 | National Library of Ireland | Ms14694 | 1865-1871 | Domestic accounts and summaries of the A'Court famil... | Inchiquin Papers |
| 9361 | National Library of Ireland | Ms23954 | 1865-1888 | Register of rebates to tenants for improvements on t... | Ormonde Papers |
| 9543 | National Library of Ireland | Ms29781(1-7) | 1865-1921 | Landed estates court and land commission material, v... | Bruen of Oakpark (County Carlow) Papers |
| 9618 | National Library of Ireland | Ms29762(6) | 1865 | Arrears due on Tintern estate, 1865. | Colclough Papers |
| 11075 | National Library of Ireland | Ms19346 | 1865 | A volume of manuscript copies of popular songs and a... | |
| 11632 | National Library of Ireland | Ms12229 | 1864-1865 | Ballina Poor Law Union Minute Book, 23 July 1864-21 ... | |
| 11637 | National Library of Ireland | Ms12486 | 1865-1866 | Claremorris Poor Law Union Minute Book, 9 September ... | |
| 11958 | National Library of Ireland | Mss12230-12237 | 1865-1870 | Ballina Poor Law Union Minute Books: Ms12,230 July ... | Ballina Poor Law Union |
| 21340 | National Photographic Archive | NPA LCAB; LIMP; LROY; LNS | 1865-1914 | The Lawrence Photographic Collection is made up of s... | Lawrence Photographic Collection |
| 18928 | Offaly Archives | OCL PTC40/1/ | 1865-1903 | 4 Minute Books:1: July 1865 - June 1875 (note: inclu... | Records of Parsonstown Town Commissioners |
| 18977 | Offaly Archives | OCL BG158/14 | 1865-1884 | 11outsized broadsheets (with many duplicates) displa... | Dispensary District Notices |
| 6850 | Public Record Office of Northern Ireland | D/3487 | 1865-1959 | Records of Edenderry Spinning Company Limited, Belfa... | |
| 7111 | Public Record Office of Northern Ireland | D/2804/5 | c1865 | Photograph of Hariot Georgina, Lady Dufferin, c1865. | |
| 7273 | Public Record Office of Northern Ireland | D/3558 | 1865-1897 | 23 emigrant letters, including some to Eliza Murphy,... | |
| 6368 | Public Record Office of Northern Ireland | T/1769 | 1865-1866
1901 | T/1769/3 Copy of the emigrant diary of Elizabeth An... | |
| 6592 | Public Record Office of Northern Ireland | D/1689 | 1865-c1888 | D/1689/1 Details of tenants on John Stevenson's col... | |
| 6819 | Public Record Office of Northern Ireland | D/2405/1-2 | c.1860-c.1865 | One photograph of Mary Millicent Montgomery in Zuric... | |
| 7741 | Public Record Office of Northern Ireland | MIC/13 | 1850-1865 | Microfilmed copies of 4 volumes which include lists ... | |
| 8170 | Public Record Office of Northern Ireland | T/1978/1-3 | 1859-1865 | Copies of 3 letters from J N Armstrong, Crofton, New... | |
| 8700 | Public Record Office of Northern Ireland | T/847/1-5 | 1865-1878 | Copy of the rental of the estate of Mrs A M Seaver, ... | |
| 22270 | RCSI Heritage Collections | Arch/7/A-B | 1860-1862
1865-1871 | Minute Books of the Board of Governors of the House ... | House of Industry & House of Industry Hospitals |
| 1332 | Religious Society of Friends in Ireland Historical Library | MMV/K1-3 | 1682-1693
1755-1795
1798-1827
1865-1887 | Removals: MMV/K1 Removal Certificates, 1755-1795; W... | Mountmellick Monthly Monthly Meetings |
| 2170 | Representative Church Body Library | Ms475 | 1865-1985 | Accounts of Thomas Wildridge's Charity for the p... | Thomas Wildridge's Charity |
| 22093 | Representative Church Body Library | B10 | 1864
1865
1866
1870 | Diocese of Cork and Ross Visitation Books, Vicar Gen... | St Fin Barre's Cathedral Cork Archive |
| 22098 | Representative Church Body Library | B10 | 1864
1865 | Rural Deans' Reports for the Diocese of Cloyne:1... | St Fin Barre's Cathedral Cork Archive |
| 22396 | Royal College of Physicians of Ireland | | 1842-1865 | Roll of Fellows, Officers and Licentiates of Kings a... | Kings and Queens College of Physicians |
| 4039 | Royal Irish Academy | 23/M/66-68 | 1865-1884 | 23/M/66 One notebook containing manuscript entomolog... | Reynell, Henrietta E. |
| 22436 | Royal Victoria Hospital, Belfast | | 1865-1993 | Medical Staff [of the Royal Hospital, Belfast] Minut... | |
| 13182 | Sligo Archives Service | S./R | 1865-1891 | Powellsboro National School, District Inspector's Ob... | |
| 10203 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs10308 | 1844-1865 | Correspondence of the publisher Michael Henry Gill, ... | Michael Gill Papers |
| 10433 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs6436 | 1865-1898 | Poem Book belonging to Elizabeth Anne Gore Jones, ne... | Groves Papers |
| 11128 | Trinity College Dublin, Manuscripts and Archives Department | TCDMss5018-5019 | 1865-1888 | Correspondence of Robin Vere O'Brien with his mother... | O'Brien Family |
| 11144 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs5040 | 1865-1889 | Commonplace Book of poems and hymns 1865-1889, belon... | O'Brien family |
| 11202 | Trinity College Dublin, Manuscripts and Archives Department | V/121/A | 1858-1865 | Rentals of the Kiltennel Estate, 1858-1865. | Courtown Papers |
| 11203 | Trinity College Dublin, Manuscripts and Archives Department | V/122/A | 1858-1865 | Rentals of County Carlow Estate, 1858-1865. | Courtown Papers |
| 11205 | Trinity College Dublin, Manuscripts and Archives Department | V/124/A | 1858-1865 | Rentals of Medophall and Ballybeg Estate, 1858-1865. | Courtown Papers |
| 6863 | UCC Special Collections & Archives | BL/EP/G/644b | 1865-1878 | Diary and Account Books of George Grehan, volume, 18... | Grehan Estate Collection |
| 8772 | Ulster Museum, Belfast | Zg | c1865-c1925 | Collection of c1950 cards, mostly Christmas cards, 1... | Ephemera |
| 24151 | Union Theological College | | 1780-1865 | Large framed portrait in oils of Miss Agnes Herdman ... | |
| 13183 | University of Galway Archives | P25 | 1865-1956 | Memoirs of the Countess de la Boisserie (nee Matilda... | Memoirs of the Countess de Boisserie |
| 1136 | Waterford County Archives | | 1865-1960 | Many of the archives were destroyed in the 1940s but... | Dungarvan Urban District Council |
| 9911 | Waterford County Archives | GJ/9-14 | 1865-1899 | Grand Jury Assize Presentment Books for County Water... | |
| 19363 | Westmeath County Archives Department | | 1865-1948 | Athlone Loan Fund Monthly Instalment Books:[31 March... | |