| 16431 | Armagh Diocesan Archive (RC) | | 1864 | Letter of Sister M. de Sales, St Malachy's, Dund... | Most Reverend John Dixon Archive |
| 16433 | Armagh Diocesan Archive (RC) | | 1864 | Letter of Sister M. de Sales, St Malachy's, Dund... | Most Reverend John Dixon Archive |
| 18709 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.07/1/1864 Letter from Maria Dennehy, Fermoy, t... | Bishop W. Keane Papers |
| 18710 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.07/3/1864 Letter from Charlotte Taylor, Chester... | Bishop W. Keane Papers |
| 18707 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/1/1864 Letter from Sister M. Baptist, Mercy ... | Bishop W. Keane Papers |
| 18708 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.04/3/1864 Letter from Bishop M O'Hea, Skibbere... | Bishop W. Keane Papers |
| 18711 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.05/7/1864 Letter from Revd. J Rice, Queenstown... | Bishop W. Keane Papers |
| 18712 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/2/1864 Letter from Sister M. Baptist, Mercy ... | Bishop W. Keane Papers |
| 18714 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/3/1864 Letter from M A E Dease, Loreto, Fer... | Bishop W. Keane Papers |
| 18715 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.07/6/1864 Letter from Maria Dennehy to Bishop ... | Bishop W. Keane Papers |
| 18716 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/4/1864 Letter from Sister M.G. O'Donohoe... | Bishop W. Keane Papers |
| 18713 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.02/1/1864 Photocopy of a letter Bishop W. Keane... | Bishop W. Keane Papers |
| 18717 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.07/7/1864 Letter from Charlotte Taylor, Cheste... | Bishop W. Keane Papers |
| 18718 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/5/1864 Letter from Sister M. Patrick, Presen... | Bishop W. Keane Papers |
| 18720 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/6/1864 Letter from Sister M Agate Hyde, Pre... | Bishop W. Keane Papers |
| 18721 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.05/22/1864 Letter from Revd T. Murphy, Youghal,... | Bishop W. Keane Papers |
| 18722 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.05/23/1864 2 printed copies of 1864 Lenten Reg... | Bishop W. Keane Papers |
| 18723 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.07/12/1864 Statement of William Sheehan, Clanw... | Bishop W. Keane Papers |
| 18724 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.05/35/1864 Letter from Revd. M Kennifeck, Rath... | Bishop W. Keane Papers |
| 18725 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/8/1864 Letter from Sister M Magdalen, Prese... | Bishop W. Keane Papers |
| 18726 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/9/1864 Letter from Sister M J Croke, Mercy ... | Bishop W. Keane Papers |
| 18727 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/10/1864 Letter from Sister M Joseph, Presen... | Bishop W. Keane Papers |
| 18728 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/11/1864 Letter from Sister M Agatha Hyde, Pr... | Bishop W. Keane Papers |
| 18729 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/13/1864 Letter from Sister M Agatha Hyde, Pr... | Bishop W. Keane Papers |
| 18730 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.05/48/1864 Letter Revd. J Kepple, Ballyhea to B... | Bishop W. Keane Papers |
| 18731 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/14/1864 Letter from Sister M J Croke, Mercy... | Bishop W. Keane Papers |
| 18732 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/15/1864 Letter from Sister M J Croke, Mercy... | Bishop W. Keane Papers |
| 18733 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.07/20/1864 Letter from Ms Mary Murphy (94 year... | Bishop W. Keane Papers |
| 18734 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/16/1864 Letter from Sister M J Croke, Mercy... | Bishop W. Keane Papers |
| 18736 | Cloyne Diocesan Archive (RC) | Box BB | 1863
1864 | 1796.05/51/1864 Letter from Revd. T W Croke, St Col... | Bishop W. Keane Papers |
| 18737 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/17/1864 Letter from Sister M Joseph, Presen... | Bishop W. Keane Papers |
| 18735 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.05/50/1864 Letter from Revd. T Buckley, Castle... | Bishop W. Keane Papers |
| 18738 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/18/1864 Letter from Sister M Magdalen, Pres... | Bishop W. Keane Papers |
| 18739 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/20/1864 Letter from Sister M Baptist O'Neil... | Bishop W. Keane Papers |
| 18740 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.05/65/1864 Letter from Revd. M O'Brien, Mitche... | Bishop W. Keane Papers |
| 18741 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/21/1864 Letter from Sister M Joseph, Mercy ... | Bishop W. Keane Papers |
| 18742 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/22/1864 Letter from Sister M J Farrell, Mer... | Bishop W. Keane Papers |
| 18746 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/25/1864 Letter from Sister M Patrick Pearse... | Bishop W. Keane Papers |
| 18752 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/29/1864 Letter from Sister M Joseph, Mercy ... | Bishop W. Keane Papers |
| 18756 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/31/1864 Letter from Sister M Agatha Hyde, P... | Bishop W. Keane Papers |
| 18743 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.07/26/1864 Letter from Isabella M E Brown, Ard... | Bishop W. Keane Papers |
| 18744 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.05/68/1864 Letter from Revd. J Cullinan, Macro... | Bishop W. Keane Papers |
| 18745 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/24/1864 Letter from Sister M Patrick Pearse... | Bishop W. Keane Papers |
| 18747 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.05/71/1864 Letter from Revd. J Fitzpatrick, Mi... | Bishop W. Keane Papers |
| 18748 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/26/1864 Letter from Sister M Joseph, Mercy ... | Bishop W. Keane Papers |
| 18749 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.05/74/1864 Photocopy of a letter from Revd. T ... | Bishop W. Keane Papers |
| 18766 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.06/32/1864 Letter from Sister M Patrick, Prese... | Bishop W. Keane Papers |
| 18768 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.07/34/1864 Letter from Mary Fitzgerald, Ballyk... | Bishop W. Keane Papers |
| 18771 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.07/35/1864 Letter from Miss Nanno Buckley, Mal... | Bishop W. Keane Papers |
| 18750 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/27/1864 Letter from Sister M J Croke, Mercy... | Bishop W. Keane Papers |
| 18751 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.07/30/1864 Letter from Mrs J Eyre, Clifden Cas... | Bishop W. Keane Papers |
| 18753 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/28/1864 Letter from Sister M J Croke, Mercy... | Bishop W. Keane Papers |
| 18754 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/30/1864 Letter from Sister M Magdalen, Pres... | Bishop W. Keane Papers |
| 18755 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.05/96/1864 Letter from Revd. T. Murphy, Youghal... | Bishop W. Keane Papers |
| 18774 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.06/36/1864 Letter from Sister M Joseph, Presen... | Bishop W. Keane Papers |
| 18775 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.06/38/1864 Midleton Convent. Visitation. 6 Jun... | Bishop W. Keane Papers |
| 18776 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.06/38/1864 Loretto Convent, Youghal. Visitatio... | Bishop W. Keane Papers |
| 18777 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796/06/40/1864 Visitation of the Presentation Conv... | Bishop W. Keane Papers |
| 18780 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.06/41/1864 Letter from Sister M J Croke, Mercy... | Bishop W. Keane Papers |
| 18767 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.05/105/1864 Letter, in poor condition, from Re... | Bishop W. Keane Papers |
| 18769 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.04/14/1864 Letter from Bishop P Cullen, Dublin,... | Bishop W. Keane Papers |
| 18770 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.06/33/1864 Letter from Sister Anna, Richmond Ho... | Bishop W. Keane Papers |
| 18772 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.06/34/1864 Letter from Sister M Agatha Hyde, P... | Bishop W. Keane Papers |
| 18773 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.06/35/1864 Letter from Sister M J Farrell, Mer... | Bishop W. Keane Papers |
| 18778 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.07/39/1864 Letter from Mary de Cussy, Bayeaux,... | Bishop W. Keane Papers |
| 18781 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.06/43/1864 Letter from Sister M J Farrell, Mer... | Bishop W. Keane Papers |
| 18783 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.05/162/1864 Letter from Revd. H Leader, Clonak... | Bishop W. Keane Papers |
| 18784 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.06/44/1864 Letter from Sister M Patrick, Prese... | Bishop W. Keane Papers |
| 18779 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.05/126/1864 Letter from Revd T. Murphy, Youghal... | Bishop W. Keane Papers |
| 18782 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.04/24/1864 Letter from Bishop M. O'Hea, Ski... | Bishop W. Keane Papers |
| 18785 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.06/45/1864 Letter from Sister M Joseph, Presen... | Bishop W. Keane Papers |
| 18786 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.05/196/1864 Letter from Revd. H Leader, Clonak... | Bishop W. Keane Papers |
| 18787 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.06/46/1864 Letter from Sister M Joseph, Presen... | Bishop W. Keane Papers |
| 18788 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.06/48/1864 Letter from Sister M Joseph, Mallow... | Bishop W. Keane Papers |
| 18789 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.02/10/1864 Letter from Sister M Joseph, Mercy ... | Bishop W. Keane Papers |
| 18790 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.06/51/1864 Letter from Sister M. Joseph, Presen... | Bishop W. Keane Papers |
| 18792 | Cloyne Diocesan Archive (RC) | Box DD | 1864 | 1796.07/60/1864 Letter from Alicia Jones to Bishop ... | Bishop W. Keane Papers |
| 18794 | Cloyne Diocesan Archive (RC) | Box DD | 1864 | 1796.07/62/1864 Letter from Miss K. Mulcahy, Clonmel... | Bishop W. Keane Papers |
| 18791 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.04/29/1864 Letter from Bishop Delaney, Cork, to... | Bishop W. Keane Papers |
| 18793 | Cloyne Diocesan Archive (RC) | Box DD | 1864 | 1796.05/265/1864 Letter from Revd. M Power, Killeagh... | Bishop W. Keane Papers |
| 18795 | Cloyne Diocesan Archive (RC) | Box DD | 1864 | 1796.06/52/1864 Letter from Sister M Magdalen, Pres... | Bishop W. Keane Papers |
| 18796 | Cloyne Diocesan Archive (RC) | Box DD | 1864 | 1796.07/65/1864 Letter from Alicia Jones, Eccles St... | Bishop W. Keane Papers |
| 18797 | Cloyne Diocesan Archive (RC) | Box DD | 1864 | 1796.04/33/1864 Letter from Bishop J J Lynch, Toron... | Bishop W. Keane Papers |
| 18798 | Cloyne Diocesan Archive (RC) | Box DD | 1864 | 1796.05/294/1864 Printed. `For the Clergy of Ireland... | Bishop W. Keane Papers |
| 18799 | Cloyne Diocesan Archive (RC) | Box DD | 1864 | 1796.01/11/1864 Copy of Bishop J J Lynch's reply to... | Bishop W. Keane Papers |
| 18800 | Cloyne Diocesan Archive (RC) | Box DD | 1864 | 1796.05/298/1864 Letter from Revd. J Cullinan, Macr... | Bishop W. Keane Papers |
| 18801 | Cloyne Diocesan Archive (RC) | Box DD | 1864 | 1796.07/67/1864 Letter from Alicia Jones, Eccles Str... | Bishop W. Keane Papers |
| 3700 | Cork City and County Archives | U262 | 1864-1867 | Killbrittan Castle Wages Books:23 September 1864 - 2... | |
| 3706 | Cork City and County Archives | NS2 | 1864-1980 | Registers of Cork Model National School, 1864-1980. ... | |
| 3118 | Dún Laoghaire-Rathdown County Council | LA1/197 | 1864-1875 | Manuscript letters from rate payers mainly requestin... | Blackrock |
| 20470 | Galway County Council Archives | | 1864-1905 | Town Court Records:May 1864-July 1894November 1874-M... | Ballinasloe Urban District Council & Town Commissioners |
| 1479 | Kerry Local Studies and Archives Department | BG/100/B/ | 1848-1864 | Letter books:1. 12 June 1848 - 6 April 18522. 8 Apri... | |
| 21830 | Kerry Local Studies and Archives Department | | 1860-1864
1885-1891
1906 | Mahony Estate:Rent Book, 1860-1864Cash Accounts, 188... | O'Connell Solicitors |
| 14451 | Kildare Local Studies, Genealogy and Archives Department | | 1858-1864 | Treasurer's Query Book:1. Spring 18582. Spring 1... | Kildare Grand Jury Records |
| 20794 | Kilmore Diocesan Archives (RC) | | 1787-1864
1930-1956
1961 | Convent of Poor Clares Cavan and Ballyjamesduff:5: V... | Kilmore Diocesan Archives |
| 20938 | King's Hospital School | 17-32 | 1858-1864 | 23 House Committee Book, 1858 - 1864. | King's Hospital Records |
| 21157 | King's Hospital School | 232-236A | 1864-1882 | 230 Account Book, 1864 - 1882. | King's Hospital Records |
| 21162 | King's Hospital School | 232-236A | 1859-1864 | 233 Provisions list, 1859 - 1864 . | King's Hospital Records |
| 21165 | King's Hospital School | 232-236A | 1864-1871 | 235 Day Book, 1864 - 1871. | King's Hospital Records |
| 1668 | Leitrim Local Studies Department | BG122/AA/ | 1843-1844
1848-1849
1851-1858
1863-1864 | Rough Minute Books:1 - July 1843 - August 18442 - De... | Mohill Poor Law Union |
| 1831 | Leitrim Local Studies Department | Reel No 1 | 1864-1962 | Registers:1. Parish: Drumreilly Lower, School: Augha... | School Registers |
| 5563 | Mandate Trade Union | | 1864-1969 | Grocers Assistants Association: Minute Books, 1864-1... | Irish National Union of Vintners', Grocers' and Allied Trades Assistants |
| 5757 | Maynooth University and St Patrick's College, Maynooth | SH23 | 1864 | Pedigrees of Christiana McCarthy, nee French, wife o... | Shearman Papers |
| 5993 | Meath Hospital, incorporating The National Children's Hospital | MH/HP/01 | 1864-1993 | Meath Hospital: Annual reports, 1864-1993. | |
| 5646 | Meath Local Studies and Family History Department | BG/99/A/ | 1854- 1864 | Minute Books:18 23 December 1854 - 22 December 18551... | Kells Poor Law Union |
| 5658 | Meath Local Studies and Family History Department | BG/155/A/ | 1855- 1864 | Minute Books:19 August 1855 - February 185621 August... | Trim Poor Law Union |
| 5659 | Meath Local Studies and Family History Department | BG/155/A/ | 1864- 1875 | Minute Books:37 July 1864 - January 186538 January 1... | Trim Poor Law Union |
| 22832 | Methodist Historical Society of Ireland | | 1864-1882 | Donegall Place Methodist Church, Belfast: General le... | |
| 22878 | Methodist Historical Society of Ireland | | 1864-1867
1887-1923 | Dublin [Methodist] Ministers' Meetings: Minutes, 186... | |
| 631 | National Archives of Ireland | BG/137/ | 1864-1926 | Register of Successful Vaccinations:L1 Glencullen di... | Rathdown Poor Law Union and Rural District Council |
| 717 | National Archives of Ireland | BG/79/ | 1844-1864 | South Dublin Poor Law Union Minute Books:A1 January ... | South Dublin Poor Law Union and Rural District Council |
| 718 | National Archives of Ireland | BG/79/ | 1864-1887 | South Dublin Poor Law Union Minute Books:A18 January... | South Dublin Poor Law Union and Rural District Council |
| 3326 | National Archives of Ireland | BG111/NB/1 | 1864-1865 | Abstract of Rates, Lismore Electoral District, Novem... | Lismore Poor Law Union |
| 4063 | National Archives of Ireland | | 1864-1869 | Copy probate of the will of Alicia P. Orpen, Cape of... | Claremont Institution |
| 4081 | National Archives of Ireland | DUB55/A/ | 1864-1938 | Minute Books: 1: 9 March 1864 - 11 May 18772: 12 May... | Records of the Coombe Hospital |
| 4844 | National Archives of Ireland | 1140/2/17 | 1864-1871 | Correspondence to Clara Vigors, especially from J. C... | Papers of Colonel Philip Doyne Vigors, 1826-1979 |
| 4846 | National Archives of Ireland | 1140/2/2 | 1864-1867 | Correspondence to Dora (Dorothea Eleanor) Cary, 1864... | Papers of Colonel Philip Doyne Vigors, 1826-1979 |
| 15228 | National Archives of Ireland | 99/53 | 1864-1957 | National School records for Kilbarry, Co. Cork. | National Schools, Private Accessions |
| 15232 | National Archives of Ireland | 2000/17 | 1848
1864-1910 | National School records for O'Growney National Schoo... | National Schools, Private Accessions |
| 11188 | National Gallery of Ireland Library | AB133 | 1864-1932 | List of students admitted to the Gallery, 1864-1914.... | |
| 901 | National Library of Ireland | | 1864-1873 | Limerick Ragged School Register, female and male dep... | |
| 1521 | National Library of Ireland | Mss 2202-2234 | 1784-1864 | Miscellaneous collection relating to Newry and its n... | |
| 1964 | National Library of Ireland | Ms4476 | 1856-1864 | Wages and domestic accounts book of Mrs Tottenham of... | |
| 2140 | National Library of Ireland | Mss4807-4808 | 1863-1864 | Commonplace Book of Alice Mary Howard, September 186... | Wicklow Papers |
| 2434 | National Library of Ireland | Mss3583-3585 | 1852-1864 | Three Commonplace Books containing verse, compiled b... | Wicklow Papers |
| 2557 | National Library of Ireland | Ms8216 | 1864-1909 | Papers of P J Smyth, includes: Letters of R Pigott t... | |
| 2752 | National Library of Ireland | Ms20957 | c1855-1864 | Letters to John D'Alton from his niece Ellen Phillip... | D'Alton Papers |
| 2754 | National Library of Ireland | Ms20963 | c1864 | Fragment of a letter [? to John D'Alton] from his ni... | D'Alton Papers |
| 2905 | National Library of Ireland | Ms8610 | 1864-1870 | Personal letters from John Windele Brady and Catheri... | Revd. William Maziere Brady Papers |
| 2927 | National Library of Ireland | Ms8656 | 1827-1864 | Miscellaneous letters, 1827-1864. These include lett... | William Smith O'Brien Papers |
| 3034 | National Library of Ireland | Ms9767 | 1853-1864 | Vaccination Register of the townlands in the dispens... | |
| 3465 | National Library of Ireland | Ms10491 | 1864-1879 | Seventy nine letters of James Stephens and his wife ... | |
| 3477 | National Library of Ireland | Ms10656 | 1864-1900 | Thirteen letters of Frederick Burton to various peop... | |
| 3517 | National Library of Ireland | Mss11087-11088 | 1833-1864 | 200 letters from various correspondents to Mrs S Gro... | Grogan Papers |
| 3709 | National Library of Ireland | Ms9816 | 1861-1864 | Reports of the resident physician, Richmond District... | |
| 5015 | National Library of Ireland | Ms32607 | 1864-1884 | 54 Wages Ledger, 5 November 1864-29 November 1884. | Mendicity Institute |
| 6905 | National Library of Ireland | Ms18902 | 1864-1866 | Three letters to John Barrymore Macnamara, Ennistymo... | Stacpoole Kenny Papers |
| 9108 | National Library of Ireland | Mss14605-14611 | 1864-1870 | Rentals and Accounts of the County Limerick estate o... | Inchiquin Papers |
| 9144 | National Library of Ireland | Mss14852-14854 | 1857-1864 | Housekeeper's Accounts at Dromoland: October 1857-Ma... | Inchiquin Papers |
| 9145 | National Library of Ireland | Ms14858 | 1864-1875 | Diary of Hannah Jane Foster, 1864-1875. | Inchiquin Papers |
| 9189 | National Library of Ireland | Ms15281 | 1864-1879 | Photocopies of fourteen letters of Lady Francesca Wi... | |
| 9561 | National Library of Ireland | Ms29770(120) | 1864 | Will of Mrs Selina H Doyne, Newtownpark, Blackrock, ... | Doyne Papers |
| 10928 | National Library of Ireland | Ms21986 | 1864-1904 | Typescript copies of letters to Lady Louisa Egerton ... | |
| 11087 | National Library of Ireland | Ms19471 | 1864 | Diary of Maud Mary Lattin Mansfield, Morristown Latt... | Mansfield Papers |
| 11574 | National Library of Ireland | Ms20963 | 1864 | Fragment of a letter to [?John D'Alton] from his nie... | D'Alton Papers |
| 11604 | National Library of Ireland | Ms12560 | 1863-1864 | Killala Poor Law Union Minute Book, 14 February 1863... | |
| 11630 | National Library of Ireland | Ms12227 | 1863-1864 | Ballina Poor Law Union Minute Book, 25 July 1863-23 ... | |
| 11631 | National Library of Ireland | Ms12228 | 1864 | Ballina Poor Law Union Minute Book, 23 January 1864-... | |
| 11632 | National Library of Ireland | Ms12229 | 1864-1865 | Ballina Poor Law Union Minute Book, 23 July 1864-21 ... | |
| 4804 | Newtown School, Waterford | School Safe/22 | 1857-1864 | Superintendent's Library Reports, 1857-1864. | |
| 7041 | Public Record Office of Northern Ireland | D/2629 | 1864-1903 | 19 documents comprising of title deeds and testament... | |
| 7917 | Public Record Office of Northern Ireland | T/1205/1 | 1863-1864 | Copy of Protestant register of householders in the p... | |
| 6310 | Public Record Office of Northern Ireland | CR/1/ | 1864-1888 | CR/1/33/G/5-8 Copper plates of teachers and pupils o... | Church Records |
| 6583 | Public Record Office of Northern Ireland | D/1671/1 | 1780-1864 | Genealogical notes on the Boyd family of Ballymoney,... | |
| 7075 | Public Record Office of Northern Ireland | D/2709 | 1864-1916 | c.100 documents relating to the Shaw family, Ballyfo... | |
| 7312 | Public Record Office of Northern Ireland | D/366/874 | 1864 | Memorandum of agreement between Jane Moore and Ellen... | H.C. Weir Papers |
| 7482 | Public Record Office of Northern Ireland | D/4149 | 1818-1864 | 6 diaries of James Harshaw of Donaghmore, County Dow... | |
| 7744 | Public Record Office of Northern Ireland | MIC/143 | 1864-1884 | Microfilmed letters from Kate Carlisle, New York, Un... | |
| 8338 | Public Record Office of Northern Ireland | T/2461/ | c.1864-c.1978 | This collection of 31 documents contains papers of t... | |
| 8458 | Public Record Office of Northern Ireland | T/2734/2-4/ | 1864-c.1889 | T/2734/1 Copy of a letter from C.J. Webb, Randalstow... | |
| 8466 | Public Record Office of Northern Ireland | T/2753/1 | c.1864 | Manuscript and typed genealogical notes on the Stewa... | |
| 887 | Religious Society of Friends in Ireland Historical Library | P148 | 1864 | Conferences and Youth Meetings: Deputation from Lond... | Photographic Collections |
| 1303 | Religious Society of Friends in Ireland Historical Library | | 1864-1866 | Records: Diary of two walking tours by Susanna Gough... | Museum Collection |
| 3564 | Religious Society of Friends in Ireland Historical Library | MMXIIIB3/Reel 29A | 1849-1864 | Women's Meeting, Lurgan Monthly Meeting, 1849-1864. ... | |
| 3573 | Religious Society of Friends in Ireland Historical Library | MM/XIIIK2/Reel 30 | 1864-1894 | Removal Certificate Book, Lurgan Monthly Meeting, 18... | |
| 4201 | Religious Society of Friends in Ireland Historical Library | Deed Box IX/Folder 7:7 | 1864 | Charlotte Jackson, at Brookfield School: Apprenticed... | Deeds |
| 5332 | Religious Society of Friends in Ireland Historical Library | MMIX/K1-2 | 1781-1864 | Removals: MMIX/K1 Copies of Removal Certificates, ... | Limerick Monthly Meeting |
| 5326 | Religious Society of Friends in Ireland Historical Library | MMVIII/K1-5 | 1739-1864 | Removals: MMVIII/K1 Copies of Removal Certificates,... | Cork Monthly Meeting |
| 5531 | Religious Society of Friends, Waterford | Box 4 | 1864-1907 | 11 1870 Matrimonial Causes and Marriage Act for Ire... | Waterford Monthly Meeting Documents |
| 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 |
| 25009 | Royal Irish Academy | 12/K/38 | 1860
1863
1864
1866 | Letters to Mrs Walsh from Bessie Gunning [?], 9 Janu... | J.C. Walker Papers |
| 24930 | Royal Irish Academy of Music | | 1864-1868 | 4: 18 May 1864 - 2 December 1868, regarding administ... | |
| 24931 | Royal Irish Academy of Music | | 1861-1864 | 3: 27 March 1861 - 11 May 1864, regarding membership... | |
| 13179 | Sligo Archives Service | | 1864-1951 | Sligo gaol, Minute Book, 1864-1878. Sligo gaol, Fue... | Sligo Gaol |
| 22053 | St Dympna's Hospital, Carlow | IE DA SDH | 1864-1871
1882-1890 | Register of Cases of Successful Vaccination:1864-187... | St Dympna's Psychiatric Hospital, Carlow |
| 12109 | St Louis' Heritage Centre | ORP42/GB10-ORP49/GB10 | 1864 | Material relating to orphanages, St Martha's and... | |
| 6400 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs10247/1/982 | c1864 | Letter of Edith [Wynne], daughter of Revd. Henry Wyn... | Wynne Family Papers |
| 10269 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs5023 | 1863-1864
1896-1911 | Book originally belonging to Grace O'Brien, used for... | |
| 10422 | Trinity College Dublin, Manuscripts and Archives Department | TCDMss5004-5006 | 1864-1921 | Correspondence of Frances Egerton Arnold Forster, da... | Arnold-Forster |
| 11280 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs10247/1/1331-2 | 1864 | Includes one letter from Lieutenant Colonel George W... | Wynne Family Papers |
| 11966 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs4183/1-5 | 1790-1864 | Correspondence of the Crampton family, 1790-1864. | Crampton Papers |
| 17285 | UCC Special Collections & Archives | BL/SC/B | 1864-1872 | 27 Feb. 1864-2 March 1872. Receipted bills for provi... | Buckley Collection |
| 24115 | Union Theological College | | 1864 | 'Review of Charges brought against the Scottish Ladi... | Union Theological College Pamphlet Collection |
| 19191 | Westmeath County Archives Department | | 1863-1864 | Mullingar Poor Law Union Clothing Receipt Book: [inc... | Mullingar Poor Law Union |