| 16169 | Birr Castle Archives | A-W | 1818 | E/13A: Small quarto recipe book of Alicia, wife of t... | The Rosse Papers |
| 16865 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1818 | Lismore Estate:Rental of lands of which Lord Lismore... | Bolton Library Archive |
| 18997 | Church of Ireland Centre | Box 36 | 1819 | Model School:Mod. 12 - Bundle containing Expenditure... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 18998 | Church of Ireland Centre | Box 36 | 1819 | Model School:Mod.13 - Letter from Mrs Mary Anne McLo... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 19017 | Church of Ireland Centre | Box 36 | 1819 | Model School:Mod. 7 - Expenditure of accounts of the... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 17113 | Cloyne Diocesan Archive (RC) | Box J | 1818
1858 | 1796.06/62/1858 List of Sisters in Doneraile Conven... | Bishop W. Keane Papers |
| 19443 | Cloyne Diocesan Archive (RC) | Box B | 1818 | 1792.02/5/1818 Letter from Bishop Copinger, Cove, to... | Bishop Collins |
| 19457 | Cloyne Diocesan Archive (RC) | Box D | 1818 | 1791.00/2/1818 Hardback notebook, 'Visitation of... | Bishop Copinger |
| 22908 | Delany Archive | Box Bp/01 File JKL.1819/ | 1819 | 01: 1 March 1819 J. Townsend Dublin to Doyle Carlow ... | Papers of Dr James Doyle, Bishop of Kildare & Leighlin |
| 14 | Irish Dominican Congregation Archives | A25 | 1818 | Typed extract from Whitelaw and Walsh's 'His... | Dominican Archives, Cabra |
| 4641 | Irish Jesuit Archives | FM/TULL/ | 1818 | 19 Typed copy of a letter from Maria O'Brien, Ra... | Papers of the Tullabeg Community Rahan, Tullamore, County Offaly |
| 20154 | Meath Local Studies and Family History Department | Box C/ | 1818 | 12 Letter acknowledging rent paid 1818 by J. Pollock... | Mountainstown Documents |
| 4787 | National Archives of Ireland | | 1819 | Administration Papers: Memorial of Sarah Magennis to... | Customs and Excise |
| 4865 | National Archives of Ireland | 999/836/3 | 1818 | Lease for 31 years by his Grace Eusby Lord Archbisho... | Mercer School Records |
| 4788 | National Archives of Ireland | | 1819 | Administration Papers: Petition of Bridget Lawless,... | Customs and Excise |
| 8901 | National Archives of Ireland | M6934/14 | 1818 | Miscellaneous papers relating to the winding up of t... | Ballyglunin Papers |
| 11517 | National Archives of Ireland | | 1819 | Letter in French to Catherine Rossiter, September 18... | Byrne Papers |
| 15498 | National Archives of Ireland | 999/113/3 | 1818 | Bargain and sale for remainder of 900 years by Willi... | Small Private Accessions |
| 15528 | National Archives of Ireland | 999/138/8 | 1818 | Settlement on the marriage of Joshua Smith, Streamst... | Small Private Accessions |
| 989 | National Library of Ireland | Ms11702 | 1818-1819 | An incomplete Rent Ledger of the King family, Ballyl... | |
| 1561 | National Library of Ireland | Ms3275 | c1818 | Depositions on behalf of the Countess Dowager of Kin... | |
| 1940 | National Library of Ireland | Ms4639 | 1818 | An untitled poem signed Elize O'Neill, 18 August 181... | |
| 2402 | National Library of Ireland | Ms31573 | 1819 | Letter from Maria [nee Trant] to her husband, 2nd Ba... | Trant Papers |
| 2502 | National Library of Ireland | Ms4789 | 1819 | Journal of (?Lady Eleanor Butler, one of the Ladies ... | Wicklow Papers |
| 2770 | National Library of Ireland | Ms21039 | 1818 | Inventory of kitchen furniture by Mrs Byrne [? at Ba... | Baker Papers |
| 2947 | National Library of Ireland | Ms8784 | 1819 | 2 letters to Mrs Waller of Merrion Street, Dublin fr... | Beaufort Papers |
| 3036 | National Library of Ireland | Ms9867 | 1818-1819 | A volume of poems by Lady Sophie Fitzgearld, 1818-18... | F.S. Bourke Collection |
| 3057 | National Library of Ireland | Ms10073 | 1819 | Rent Roll of Thomas Bennet, Thomastown, (County Kilk... | |
| 9216 | National Library of Ireland | Ms15409 | 1818-1819 | Journal of a tour by Katherine Howard in France, Swi... | Wicklow Papers |
| 9613 | National Library of Ireland | Ms29756(4) | 1819 | Bond by Casar Colclough for £3,000 to the executors... | Colclough Papers |
| 9629 | National Library of Ireland | Ms27364 | 1818 | Letters to Isaac Cahill from William Delany relating... | O'Bryne Papers |
| 16531 | Presentation Sisters Congregational Archives | DON1/6 | 1819 | Letter from Garrett Gould, Lisbon, to his sister, [H... | Presentation Sisters South West Province - St Joseph's Convent, Doneraile |
| 7414 | Public Record Office of Northern Ireland | D/3975/1 | 1818 | Typed copy of a discursive letter regarding the gene... | |
| 6789 | Public Record Office of Northern Ireland | D/2257 | 1819 | This collection of 3 documents includes a letter fro... | |
| 7902 | Public Record Office of Northern Ireland | T/1181/1-2 | 1764
1819 | A copy of the scheme for the improvement of the esta... | |
| 8334 | Public Record Office of Northern Ireland | T/2455/2 | 1819 | Typescript copy of a letter from William and Margare... | |
| 4194 | Religious Society of Friends in Ireland Historical Library | Deed Box XII/Folder 4:10 | 1818 | Abigail Hautenvill, nee Jaffrey, daughter of Robert ... | Deeds |
| 22058 | St Dympna's Hospital, Carlow | IE DA SDH | 1832-900 | Rough Proceedings of the Board of Governors:13 Febru... | St Dympna's Psychiatric Hospital, Carlow |
| 13070 | Tipperary Museum of Hidden History | AQNO1995.161 | 1818 | Lease, Viscount Lismore to Mary John and James Norri... | |
| 13071 | Tipperary Museum of Hidden History | AQNO1995.162 | 1818 | Lease, Viscount Lismore to Mary John and James Norri... | |
| 13073 | Tipperary Museum of Hidden History | AQNO1995.426 | 1819 | Lease, Viscount Lismore to Cornelius Sheehan, Honora... | |
| 13074 | Tipperary Museum of Hidden History | AQNO1995.482 | 1819 | Articles of marriage, Richard Lowe and Margaret Sarg... | |
| 13075 | Tipperary Museum of Hidden History | AQNO1995.245 | 1819 | Lease, Viscount Lismore to John and Bridget Bourke, ... | |
| 13076 | Tipperary Museum of Hidden History | AQNO1995.255 | 1819 | Lease, Viscount Lismore to James Houlahan and Michae... | |
| 10268 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs5096 | 1768-1794
1805
1819 | Material relating to Anne O'Brien, died 1819, wife o... | |
| 21959 | UCC Special Collections & Archives | U175 | 1819 | Box 9 contains legal documents including a Deed of P... | |
| 19341 | Westmeath County Archives Department | | 1819 | 269 The Right Honourable Jane Countess of Lanesboro... | Howard Bury Papers |