| 14314 | Alexandra College | | 1856-1939 | File on Henrietta White, 1890-1932:Various typescrip... | |
| 16421 | Armagh Diocesan Archive (RC) | | 1856 | Letter of Sister M. de Sales, St Malachy's, Dund... | Most Reverend John Dixon Archive |
| 16439 | Armagh Diocesan Archive (RC) | | 1856 | Material related to the Dominicans - Sienna Convent:... | Most Reverend John Dixon Archive |
| 16441 | Armagh Diocesan Archive (RC) | | 1855
1856
1861 | Miscellaneous:Letter of Ann Mullin, Ballygawly, addr... | Most Reverend John Dixon Archive |
| 19106 | Armagh Robinson Library | Volume 1 | 1856 | A letter from Dean H.V. Tighe objecting on principle... | Primate J.G. Beresford Papers |
| 19107 | Armagh Robinson Library | Volume 1 | 1856 | A letter from Revd B. Newcombe, Drogheda, asking for... | Primate J.G. Beresford Papers |
| 14598 | Belfast Central Library | ST24 | 1856
1859
1903 | Manuscript letter from Walter Strickland to J.F. Big... | Francis Joseph Bigger Archive |
| 4479 | Brother Allen Archive | Box 126 | 1856-1894 | 1a Personal letter written by O'Donovan Rossa oh... | Brother Allen Archival Collection |
| 16725 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1856-1953 | Register of Baptisms, Donohill, 1856-1953, 1 volume. | Bolton Library Archive |
| 16736 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1856-1911
1923 | Register of Marriages, Doon: 1877-c1923 1856-1911. | Bolton Library Archive |
| 16764 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1836-1856 | Lismore Estate:Rent Ledger, 1836-1856, [place?], 1 v... | Bolton Library Archive |
| 14411 | Cavan County Archives | NE | 1856-2002 | Includes roll books, registers, visitation books, re... | Cavan National School Records |
| 16935 | Cavan County Archives | GJ/9 | 1856-1859 | c. Spring 1856-Spring 1859. Volume containing presen... | Cavan Grand Jury Records |
| 4261 | Church of Ireland Centre | Ms693 | 1856-1862 | Signature Book of those who visited the Society'... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 4429 | Clare County Archives | 379.158 | 1856-1902 | Kilfenora Female National School:Observation Book, 1... | |
| 17047 | Cloyne Diocesan Archive (RC) | Box F | 1856 | 1796.04/2/1856 letter from Bishop T Murphy, Fermoy,... | Bishop W. Keane Papers |
| 17049 | Cloyne Diocesan Archive (RC) | Box F | 1856 | 1796.07/10/1856 Letter from Mrs Ashlin, Birmingham,... | Bishop W. Keane Papers |
| 17050 | Cloyne Diocesan Archive (RC) | Box F | 1856 | 1796.04/16/1856 Letter from Bishop D Vaughan, Nenag... | Bishop W. Keane Papers |
| 17051 | Cloyne Diocesan Archive (RC) | Box F | 1856 | 1796.04/17/1856 Letter from Bishop T Murphy, Fermoy... | Bishop W. Keane Papers |
| 17052 | Cloyne Diocesan Archive (RC) | Box F | 1856 | 1796.07/12/1856 letter and envelope from W Duhig, B... | Bishop W. Keane Papers |
| 17053 | Cloyne Diocesan Archive (RC) | Box F | 1856 | 1796.06/3/1856 Letter from Sister M Teresa Maher, M... | Bishop W. Keane Papers |
| 17054 | Cloyne Diocesan Archive (RC) | Box F | 1856 | 1796.06/4/1856 Plan of ground floor of convent, encl... | Bishop W. Keane Papers |
| 17055 | Cloyne Diocesan Archive (RC) | Box F | 1856 | 1796.06/5/1856 Plan of 2nd storey of convent, enclos... | Bishop W. Keane Papers |
| 17048 | Cloyne Diocesan Archive (RC) | Box F | 1856 | 1796.07/9/1856 letter from Joseph Coppinger, Dundru... | Bishop W. Keane Papers |
| 23219 | Cork City and County Archives | U15B/ | 1856 | P/A55 St Luke's male and female infant daily sch... | Thomas Hewitt Papers |
| 18548 | Dublin Diocesan Archives (RC) | AB4 (File I, Laity) | 1856 | January-June 1856:8 February, Margaret Aylward, Dubl... | Cullen Papers |
| 18549 | Dublin Diocesan Archives (RC) | AB4 (File I, Laity) | 1856 | January-June 185610 February, (Incomplete) Agnes M. ... | Cullen Papers |
| 18550 | Dublin Diocesan Archives (RC) | AB4 (File I, Laity) | 1856 | January-June 1856:17 February, Misses Aylward and O&... | Cullen Papers |
| 18551 | Dublin Diocesan Archives (RC) | AB4 (File I, Laity) | 1856 | January-June 1856:18 March, Walter Crofton, Governme... | Cullen Papers |
| 18552 | Dublin Diocesan Archives (RC) | AB4 (File I, Laity) | 1856 | January-June 1856:26 March, 6 Reports of the Dublin ... | Cullen Papers |
| 18553 | Dublin Diocesan Archives (RC) | AB4 (File I, Laity) | 1856 | January-June 1856:31 March, Anne Scully to cardinal ... | Cullen Papers |
| 18554 | Dublin Diocesan Archives (RC) | AB4 (File I, Laity) | 1856 | January-June 1856:27 April, The Misses Jennings, Dub... | Cullen Papers |
| 18555 | Dublin Diocesan Archives (RC) | AB4 (File I, Laity) | 1856 | January-June 1856:4 June, Emily Eustace, Dublin to A... | Cullen Papers |
| 18558 | Dublin Diocesan Archives (RC) | AB4 (File II, Nuns) | 1855-1856 | 1 January 1856, Female Orphan House, Harold's Cr... | Cullen Papers |
| 18559 | Dublin Diocesan Archives (RC) | AB4 (File II, Nuns) | 1856 | 28 January 1856, Mary of Immaculate Conception, Lake... | Cullen Papers |
| 18560 | Dublin Diocesan Archives (RC) | AB4 (File II, Nuns) | 1856 | 3 February 1856, M. F.X. Julia Lynch, Carmel, Loughr... | Cullen Papers |
| 18562 | Dublin Diocesan Archives (RC) | AB4 (File II, Nuns) | 1856 | 8 May 1856, Frances Ball, Rathfarnham, to Archbishop... | Cullen Papers |
| 18563 | Dublin Diocesan Archives (RC) | AB4 (File II, Nuns) | 1856 | 16 August 1856, Sr M. Fides McOwen, Carmel, Blanchar... | Cullen Papers |
| 18561 | Dublin Diocesan Archives (RC) | AB4 (File II, Nuns) | 1856 | 8 February 1856, M. F.X. Julia Lynch, Carmel, Loughr... | Cullen Papers |
| 21919 | Galway Diocesan Archives (RC) | | 1856-1881 | Box 19 Papers of Bishop John McEvilly 1856-1881. | |
| 22251 | Irish Jesuit Archives | J27/ | 1855-1856 | 2 Letter from [ ], Belfast to Fr Russell concerning ... | Papers of Fr Matthew Russell, SJ (1834 - 1912) |
| 20926 | King's Hospital School | 1-16a | 1841-1856 | 12 Board Minute Book, 1841-1856. | King's Hospital Records |
| 20929 | King's Hospital School | 1-16a | 1856-1905 | 15 Board Minute Book, 1856 - 1905. | King's Hospital Records |
| 20936 | King's Hospital School | 17-32 | 1856-1908 | 21 Board Committee Index Book, 1856 - 1908. | King's Hospital Records |
| 20992 | King's Hospital School | 65-82 | 1837-1856 | 76 Rent Ledger, 1837-1856. | King's Hospital Records |
| 21147 | King's Hospital School | 232-236A | 1856-1876 | 225A Mercer's Account Book and Rent Roll, 1856-1876. | King's Hospital Records |
| 3755 | King's Inns Library | E/10/1 | 1846-1856 | Servants' Wage Book, 1846-1856. | Records of the Honorable Society of King's Inns |
| 1665 | Leitrim Local Studies Department | BG122/A/ | 1856-1866 | Minute Books:16 - December 1856 - July 185717 - July... | Mohill Poor Law Union |
| 1667 | Leitrim Local Studies Department | BG122/A/1-15 | 1843-1856 | Minute Books:1 - November 1839 - July 18432 - Novemb... | Mohill Poor Law Union |
| 12126 | Limerick Diocesan Archives (RC) | | 1856-1931 | Letters and documents not pertaining to Dr O'Dwy... | Rev. Dr F.T.O. Dwyer Papers |
| 13159 | Limerick Museum | AQNO (0000.1681) | 1856 | Letter, Catherine Hayes to John Rogers. Belfast, 16 ... | |
| 1768 | Louth County Archives | BG80/A/ | 1856 -1865 | Dundalk Poor Law Union, Minute Books: 18 November 1... | Dundalk Poor Law Union |
| 5731 | Louth County Archives | BG80/A/ | 1839 -1856 | Minute Books:1 July 1839- April 18432 January 1843 J... | Dundalk Poor Law Union |
| 14144 | Louth County Archives | | 1855-1856 | Killany Tenants Rent Book, 1855-1856. | |
| 5671 | Meath Local Studies and Family History Department | BG/84/AA/ | 1856 - 1863 | Rough Minute Books:1 January - December 18562 Januar... | Dunshaughlin Poor Law Union |
| 5673 | Meath Local Studies and Family History Department | BG/128/A/ | 1839-1856 | Minute Books:1 July 1839 - January 18443 October 184... | Navan Poor Law Union |
| 5674 | Meath Local Studies and Family History Department | BG/128/A/ | 1856-1866 | Minute Books:19 January 1856 - August 185620 August ... | Navan Poor Law Union |
| 20612 | Meath Local Studies and Family History Department | Box E/ | 1856 | 23 Lease of land to William McKeever at Yellowleas (... | Mountainstown Documents |
| 22869 | Methodist Historical Society of Ireland | | 1856-1865 | Rathmines Methodist Chapel: Account book, 1856-1865 | |
| 13125 | Monaghan County Library Genealogy and Local History Department | | 1847-1856 | Rough Minute Books of the Carrickmacross Union: 1851... | |
| 707 | National Archives of Ireland | BG/78/ | 1840-1856 | Registers of Admission and Discharge:G1 5 May 1840G2... | North Dublin Poor Law Union and Rural District Council |
| 4009 | National Archives of Ireland | 1050/3 | 1815-1856. | Minute Books of the Boardroom Meetings of the Truste... | Molyneux Home for the Blind |
| 4010 | National Archives of Ireland | 1050/4 | 1856-1872 | Minute Books of the Boardroom Meetings of the Truste... | Molyneux Home for the Blind |
| 4101 | National Archives of Ireland | VIC/9/4-5 | 1856-1880 | Peace Preservation Acts, 1856-1880, 34 volumes and 6... | Police and Crime Records |
| 14026 | National Archives of Ireland | Accession no. 1141 | 1856-1976 | National School Records for various schools in Dubli... | |
| 899 | National Library of Ireland | Ms5263 | 1852-1856 | Miscellaneous papers which include letters to Denis ... | |
| 1564 | National Library of Ireland | Ms3459 | 1856 | Miscellaneous correspondence which includes two lett... | |
| 1964 | National Library of Ireland | Ms4476 | 1856-1864 | Wages and domestic accounts book of Mrs Tottenham of... | |
| 1997 | National Library of Ireland | Ms5676 | 1737-1856 | Household and wages accounts of the Pakenham-Mahon f... | Pakenham-Mahon Papers |
| 2414 | National Library of Ireland | Ms8904 | 1742-1856 | Material relating to the families of Purefoy of Offa... | |
| 3001 | National Library of Ireland | Ms9423 | 1836-1856 | Receipts for wages paid by the Dowager Lady Midleton... | Brodrick Papers |
| 3606 | National Library of Ireland | Ms13108 | 1836-1856 | Correspondence of Aubrey de Vere and his father and ... | De Vere Papers |
| 3613 | National Library of Ireland | Ms13118 | 1845-1856 | Forty letters by Aubrey de Vere to Miss I Fenwick, 1... | De Vere Papers |
| 3737 | National Library of Ireland | Ms13408 | 1856 | Includes two letters of Florence Nightingale to Lady... | Monteagle Papers |
| 6903 | National Library of Ireland | Ms18899 | 1856-1868 | Letters to John Barrymore Macnamara, Ennistymon from... | Stacpoole Kenny Papers |
| 9155 | National Library of Ireland | Mss14889-14890 | 1856-1860 | Notes on religious subjects compiled by Hannah Jane ... | Inchiquin Papers |
| 9350 | National Library of Ireland | Ms23824 | 1856-1867 | Account of the Marchioness of Ormonde as executrix a... | Ormonde Papers |
| 9732 | National Library of Ireland | Ms18248 | 1856-1857 | Cash book detailing outgoings to servants and others... | Dimond Papers |
| 10741 | National Library of Ireland | Ms19813 | 1856-1871 | Diary of Frances Jane, Countess of Ormonde, 1856-187... | Ormonde Papers |
| 10980 | National Library of Ireland | Ms22825 | 1856-1857
1945 | Correspondence of the Talbot family, Mount Talbot, C... | |
| 11598 | National Library of Ireland | Ms12719 | 1856-1859 | Ballina Union Account Ledger, March 1856-March 1859. | |
| 11609 | National Library of Ireland | Ms12342 | 1856 | Belmullet Poor Law Union Minute Book, 22 March 1856-... | |
| 11620 | National Library of Ireland | Ms12217 | 1855-1856 | Ballina Poor Law Union Minute Book, 4 August 1855-2 ... | |
| 11621 | National Library of Ireland | Ms12218 | 1856 | Ballina Poor Law Union Minute Book, 2 February 1856-... | |
| 11622 | National Library of Ireland | Ms12219 | 1856-1857 | Ballina Poor Law Union Minute book, 2 August 1856-31... | |
| 19098 | Newry City Library | Q41.65.8 | 1856-1863 | 14 volumes of bound, typescript and handwritten pape... | The Crossle Papers |
| 4803 | Newtown School, Waterford | School Safe/13 | 1856-1883 | General Meeting and Committee Rough Minutes, 1856-18... | |
| 5468 | Newtown School, Waterford | CB/93 | 1856-1872 | Collection of Papers of Jos Wright, 1856-1872. | |
| 20035 | Newtown School, Waterford | F1-16 | 1856-1882 | F/4 Miscellaneous Reports, 1856-1882. | Quaker Papers |
| 20044 | Newtown School, Waterford | F1-16 | 1856 | F/14 Quarterly Meeting Rules, 1856. | Quaker Papers |
| 18884 | Offaly Archives | OCL SCH/1 | 1856-1965 | Roll books; daily report books; a district inspector... | Records of Killyon National School |
| 7021 | Public Record Office of Northern Ireland | D/2556 | 1856-1964 | Records of Ephriam Brown and Son, Estate Agents, Bel... | |
| 7167 | Public Record Office of Northern Ireland | D/300/2/1/85/5 | 1856 | Lease of limestone quarries in Glynn, County Antrim,... | Killen Papers |
| 8139 | Public Record Office of Northern Ireland | T/1891/1 | 1856-1941
1962 | Manuscript pedigree of the Crockett family, Castlede... | |
| 8415 | Public Record Office of Northern Ireland | T/2635 | 1817-c1856 | 3 volumes of transcripts of [Douglas?] family letter... | |
| 6328 | Public Record Office of Northern Ireland | D/1047 | 1853
1856 | D/1047/1 Emigrant letter from Mrs Jane Fleming, New... | |
| 6515 | Public Record Office of Northern Ireland | D/1364/ | 1856
1900 | D/1364/J/21 Letters from William Young, Fenaghy, Cou... | Young Papers |
| 6532 | Public Record Office of Northern Ireland | D/1449/ | 1856 | D/1449/12/351-364 Letters from Laura C. Arbuthnot to... | Lenox-Conyngham Papers |
| 6578 | Public Record Office of Northern Ireland | D/1648 | 1856-1869 | 5 family letters of the Mary Parke, Bessbrooke, Coun... | |
| 6673 | Public Record Office of Northern Ireland | D/1882 | 1856-1945 | This collection contains the business records of Wil... | |
| 7114 | Public Record Office of Northern Ireland | D/2808 | 1856-1916 | The papers of Professor John Kells Ingram, scholar, ... | |
| 7124 | Public Record Office of Northern Ireland | D/2846 | 1856-1919 | Collection of c4600 papers and 15 volumes, 1856-1919... | Lady Theresa Londonderry Papers |
| 8165 | Public Record Office of Northern Ireland | T/1969 | 1805-1856 | This collection includes, for example: Copies of 4 l... | |
| 8187 | Public Record Office of Northern Ireland | T/2018 | 1856-1894 | This collection of c50 documents includes: T/2018/3 ... | |
| 8346 | Public Record Office of Northern Ireland | T/2477/1 | 1682-1856
1857 | Genealogy of the Ferguson family, Newtownards area o... | |
| 8395 | Public Record Office of Northern Ireland | T/2608/2 | 1854-c1856 | This collection includes, for example: T/2608/2/8 C... | |
| 890 | Religious Society of Friends in Ireland Historical Library | | 1856-1947 | Art: Maria Jane Wright, 1856-1947: Twenty-eight colo... | Museum Collection |
| 3550 | Religious Society of Friends in Ireland Historical Library | MM/XIIK2/Reel 19 | 1820-1856 | Settlement and Removal Register, Lisburn Monthly Mee... | |
| 3551 | Religious Society of Friends in Ireland Historical Library | MM/XIIK3/Reel 19 | 1856-1883 | Settlement and Removal Certificates, Lisburn Monthly... | |
| 21498 | Religious Society of Friends, Ulster Quarterly Meeting Archive | | 1856-1897 | Lisburn meeting burial certificates, 1856-1897. | |
| 21500 | Religious Society of Friends, Ulster Quarterly Meeting Archive | | 1835-1856 | Lisburn proceedings of Quarterly and Yearly Meetings... | |
| 6188 | Religious Society of Friends, Waterford | Box4 | 1848-1856 | 4 1848 Epistle from London Yearly Meeting of Women ... | Waterford Monthly Meeting Documents |
| 10043 | Representative Church Body Library | B2 | 1856 | Marriage Licence awarded to Henry Reddin and Margare... | St Fin Barre's Cathedral Cork Archive |
| 23718 | Representative Church Body Library | | 1816-1856 | Killea Parish: Combined Register, 1816-1855 Register... | Waterford Cathedral |
| 25070 | Royal Irish Academy | 12/R/ | 1707-1763
1856 | 12/R/9/ Volume 1, letters 1707-1763, indexed. Includ... | James, Earl of Charlemont Correspondence |
| 25102 | Royal Irish Academy | 24/O/35-37a-c | 1851-1856 | 24/0/37b The Punch Pocket Book, Diary and Memoranda ... | G.H. Kinahan |
| 835 | Royal Irish Academy of Music | 1120/1-29 | 1856-1943 | Minute Book of Governing (and Routine Committee), 18... | |
| 24321 | Tipperary County Archives | | 1856-1895 | Minute Book, Clonmel Town Commissioners: 1856-1866 1... | Clonmel Corporation |
| 19795 | Tipperary Studies | | 1840-1856 | Rate Books:Abington: July 1852 November 1852 July 18... | Nenagh Poor Law Union |
| 19854 | Tipperary Studies | | 1856-1896 | Nodstown National School, Cashel, Co. Tipperary. Ins... | Tipperary National School Registers and Roll Books |
| 10272 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs5089b | 1842-1856 | Two letters to the Honourable Grace O'Brien, 1842, 1... | |
| 10411 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs5116 | 1798
1850
1856
1911 | Account of the rebellion of 1798 in Wexford dicated ... | Arnold Family |
| 11155 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs5089b | 1842-1856 | Two letters to the Honourable Grace O'Brien: 1842 18... | O'Brien Family |
| 24107 | Union Theological College | | 1828-1856 | 'Belfast Town Mission', 1st, 3rd and 13th Annual Rep... | Union Theological College Pamphlet Collection |
| 13161 | University of Galway Archives | P6 | 1856-1858 | Diary of a Man of Leisure. Diary of [ ], formerl... | |
| 5887 | Waterford City Archives | | 1856-1858 | Court of Conscience records, 1856 - 1858. At back of... | Town Clerk Records |
| 5884 | Wicklow Library and Archives | | 1856-1893 | Record of Paying Orders Drawn: An account of the sev... | Grand Jury Records |