| 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 |
| 16222 | Birr Castle Archives | A-W | 1866 | N8/1: Small envelope of newspaper cuttings regarding... | The Rosse Papers |
| 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 |
| 18637 | Cloyne Diocesan Archive (RC) | Box EE | 1865 | 1796.06/5/1865 Letter from Sister M Baptist, Mercy ... | 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 |
| 18639 | Cloyne Diocesan Archive (RC) | Box EE | 1865 | 1796.06/1/1865 Letter from Sister M J Croke, Mercy ... | 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 18649 | Cloyne Diocesan Archive (RC) | Box EE | 1865 | 1796.06/4/1865 Letter from Sister M J Croke, Mercy ... | 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 |
| 18713 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.02/1/1864 Photocopy of a letter Bishop W. Keane... | 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 |
| 18717 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.07/7/1864 Letter from Charlotte Taylor, Cheste... | 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 |
| 18718 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/5/1864 Letter from Sister M. Patrick, Presen... | 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 |
| 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 |
| 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 |
| 18735 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.05/50/1864 Letter from Revd. T Buckley, Castle... | 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 |
| 18738 | Cloyne Diocesan Archive (RC) | Box BB | 1864 | 1796.06/18/1864 Letter from Sister M Magdalen, Pres... | 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 |
| 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 |
| 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 |
| 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 |
| 18766 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.06/32/1864 Letter from Sister M Patrick, Prese... | 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 |
| 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 |
| 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 |
| 18774 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.06/36/1864 Letter from Sister M Joseph, Presen... | 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 |
| 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 |
| 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 |
| 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 |
| 18779 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.05/126/1864 Letter from Revd T. Murphy, Youghal... | 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 |
| 18786 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.05/196/1864 Letter from Revd. H Leader, Clonak... | 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 |
| 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 |
| 18791 | Cloyne Diocesan Archive (RC) | Box CC | 1864 | 1796.04/29/1864 Letter from Bishop Delaney, Cork, to... | 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 |
| 18795 | Cloyne Diocesan Archive (RC) | Box DD | 1864 | 1796.06/52/1864 Letter from Sister M Magdalen, Pres... | 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 |
| 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 |
| 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... | |
| 22905 | Cultural Heritage Services Library, Armagh | | 1866 | Rental, maps and descriptive particulars of the land... | |
| 20433 | Dún Laoghaire-Rathdown County Council | | 1865 | Receipt issued by J. Mercer, Registrar, Deansgrange ... | Records of Dean's Grange Joint Burial Board |
| 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 |
| 13185 | Kilmainham Gaol Museum | 07LG-1C45-15 | 1866 | Baptismal certificate of Maria McDonald, December 18... | Easter Week |
| 21150 | King's Hospital School | 232-236A | 1866 | 225F Mercer's Rental, 1866. | King's Hospital Records |
| 21209 | King's Hospital School | 5/ | 1866 | 14 Mercers's School Quarterly Abstract of Expenditur... | Mercer's School |
| 13181 | Limerick Museum | AQNO (0000.1961) | 1853
1865 | Manuscript. Mortgage. Loan of one thousand pounds by... | |
| 14125 | Louth County Archives | | 1865 | Rental of lands of Glyde Farm, the Estate of Lewis U... | |
| 5757 | Maynooth University and St Patrick's College, Maynooth | SH23 | 1864 | Pedigrees of Christiana McCarthy, nee French, wife o... | Shearman Papers |
| 3326 | National Archives of Ireland | BG111/NB/1 | 1864-1865 | Abstract of Rates, Lismore Electoral District, Novem... | Lismore Poor Law Union |
| 3961 | National Archives of Ireland | CSO/ICR 13 | 1866 | Habeas Corpus Suspension Act, 1866: Indexed lists of... | Irish Crimes Records |
| 3982 | National Archives of Ireland | CCS1865/173 | 1865 | Chief Crown Solicitor's Office Mary Hayes, prisoner ... | Chief Crown Solicitor's Office |
| 4852 | National Archives of Ireland | 999/283/1 | 1866 | Agreement for sale by Mary Anne Hill, Royal Terrace,... | House for Fallen Females/Northcote Rescue Home, 1866-1920 |
| 4866 | National Archives of Ireland | 999/836/4 | 1865 | Lease for 14 years by his Grace Richard Chenveix, Lo... | Mercer School Records |
| 12181 | National Archives of Ireland | FileA/242 | 1866 | Includes letter to Sir Thomas from Wodehouse, 3 Apri... | Fenian Papers |
| 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 |
| 1954 | National Library of Ireland | Mss4793-4795 | 1860
1865-1866
1869-1870 | Three journals of Lady Alice Howard which include ac... | Wicklow Papers |
| 2754 | National Library of Ireland | Ms20963 | c1864 | Fragment of a letter [? to John D'Alton] from his ni... | D'Alton Papers |
| 6905 | National Library of Ireland | Ms18902 | 1864-1866 | Three letters to John Barrymore Macnamara, Ennistymo... | Stacpoole Kenny Papers |
| 9561 | National Library of Ireland | Ms29770(120) | 1864 | Will of Mrs Selina H Doyne, Newtownpark, Blackrock, ... | Doyne 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... | |
| 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 |
| 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 ... | |
| 11637 | National Library of Ireland | Ms12486 | 1865-1866 | Claremorris Poor Law Union Minute Book, 9 September ... | |
| 11638 | National Library of Ireland | Ms12487 | 1866 | Claremorris Poor Law Union Minute Book, 10 March 186... | |
| 18971 | Offaly Archives | OCL BG158/7 | 1866 | Rate Return Form. Returns form for Tullamore Union f... | Rate Return Form |
| 7111 | Public Record Office of Northern Ireland | D/2804/5 | c1865 | Photograph of Hariot Georgina, Lady Dufferin, c1865. | |
| 6368 | Public Record Office of Northern Ireland | T/1769 | 1865-1866
1901 | T/1769/3 Copy of the emigrant diary of Elizabeth An... | |
| 7312 | Public Record Office of Northern Ireland | D/366/874 | 1864 | Memorandum of agreement between Jane Moore and Ellen... | H.C. Weir Papers |
| 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 |
| 4157 | Religious Society of Friends in Ireland Historical Library | Deed Box X | 1866 | Bridget Carroll, nee Boylan, Meath Street, Dublin: F... | Deeds |
| 4201 | Religious Society of Friends in Ireland Historical Library | Deed Box IX/Folder 7:7 | 1864 | Charlotte Jackson, at Brookfield School: Apprenticed... | Deeds |
| 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 |
| 22097 | Representative Church Body Library | B10 | 1863
1866 | Rural Deans' Reports for the Diocese of Cloyne, ... | 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 |
| 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 |
| 10175 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs7890/9 | 1866
1911 | Childers Photograph Collection, miscellaneous identi... | Erskine Childers Papers |
| 10204 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs9886 | 1866 | Diary of Miss Elsie Burgess, born c1866, fiancée of... | Henry John Allen Papers |
| 11280 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs10247/1/1331-2 | 1864 | Includes one letter from Lieutenant Colonel George W... | Wynne Family Papers |