| 13078 | Armagh County Museum | | 1820, 1837 | 1988/225 Print, elevation of the Lunatic Asylum for... | |
| 4247 | Church of Ireland Centre | Ms318 | 1820 | Abstract of gratuities paid to teachers, December 18... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 4268 | Church of Ireland Centre | Serial No11 | 1820 | General Correspondence, II:Lady Louisa Connolly to J... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 4269 | Church of Ireland Centre | Serial No17 | 1820 | General Correspondence, II:Box 2 W. Parnell to Socie... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 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 |
| 18999 | Church of Ireland Centre | Box 36 | 1820 | Model School:Mod. 14 - List of Ladies and Mistresses... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 19002 | Church of Ireland Centre | Box 36 | 1820 | Model School:Mod. 17 - Letter from Ely Le Foru to Mo... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 19005 | Church of Ireland Centre | Box 36 | 1820 | Model School:Mod. 21 - Miss C. Mayne no longer in co... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 19006 | Church of Ireland Centre | Box 36 | 1820 | Model School:Mod. 32 - Extract from Minutes regardin... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 19007 | Church of Ireland Centre | Box 36 | 1820 | Model School:Mod. 33 - Summary of visiting Ladies by... | 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 |
| 19458 | Cloyne Diocesan Archive (RC) | Box D | 1820 | 1791.00/6/1820 Rules of Doneraile General Free-Schoo... | 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 |
| 21716 | Kerry Diocesan Archives (RC) | S71 | 1820 | Propaganda, regarding Bible Society, English Bible i... | Bishop Charles Sugrue, 1797-1825 |
| 21008 | King's Hospital School | 83-99 | 1819-1820 | 92 Agents Accounts, 1819 - 1820. | King's Hospital Records |
| 20138 | Meath Local Studies and Family History Department | Box F/ | 1820 | 19 Letter to Blossett thanking him for his donation ... | Mountainstown Documents |
| 20183 | Meath Local Studies and Family History Department | Box G/ | 1820 | 4 Deed between John Chambre Earl of Meath and Judith... | Mountainstown Documents |
| 20287 | Meath Local Studies and Family History Department | Box A/ | 1820 | 20 Letter to Arthur Pollock regarding land, 1820. | Mountainstown Documents |
| 20290 | Meath Local Studies and Family History Department | Box A/ | 1820 | 23 Letter to Arthur Pollock regarding Christmas dona... | Mountainstown Documents |
| 20608 | Meath Local Studies and Family History Department | Box E/ | 1820
1875 | 19 Lease to Thomas Russell by Frederick C. Bligh of ... | Mountainstown Documents |
| 4787 | National Archives of Ireland | | 1819 | Administration Papers: Memorial of Sarah Magennis to... | Customs and Excise |
| 8902 | National Archives of Ireland | M6934/16 | c1820 | Minutes of evidence in a case apparently concerning ... | Ballyglunin Papers |
| 4788 | National Archives of Ireland | | 1819 | Administration Papers: Petition of Bridget Lawless,... | Customs and Excise |
| 8917 | National Archives of Ireland | M3254 | 1820 | Draft or copy Chancery Bill. Hercules Langford Rowle... | Clifden Papers |
| 11517 | National Archives of Ireland | | 1819 | Letter in French to Catherine Rossiter, September 18... | Byrne Papers |
| 15327 | National Archives of Ireland | 99/56/5/5 | 1820 | Carhampton Papers. Appointment re. the estate of the... | Family and estate records. 1611-1948 |
| 15339 | National Archives of Ireland | 99/56/9/1/16 | 1820 | Papers relating to Co. Donegal. Assignment of mortga... | Family and estate records. 1611-1948 |
| 15345 | National Archives of Ireland | 99/56/4/5 | 1820 | Papers relating to Co. Donegal. Assignment of mortga... | Family and estate records. 1611-1948 |
| 1582 | National Library of Ireland | Ms3672 | 1820 | Poems of A M Colton of Norton Green presented to his... | |
| 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 |
| 2712 | National Library of Ireland | Ms14121 | 1820 | A 'Christian Remembrancer', 1820, a pocket-book for ... | |
| 2920 | National Library of Ireland | Ms8635 | 1820 | Legal documents concerning the trial of John Scanlon... | |
| 2947 | National Library of Ireland | Ms8784 | 1819 | 2 letters to Mrs Waller of Merrion Street, Dublin fr... | Beaufort Papers |
| 3057 | National Library of Ireland | Ms10073 | 1819 | Rent Roll of Thomas Bennet, Thomastown, (County Kilk... | |
| 3068 | National Library of Ireland | Ms10169 | c1820 | Photocopy of a list of tenants on the Alcock estate,... | |
| 3600 | National Library of Ireland | Mss12180-12185 | c1819-1820 | Six music volumes from the collection of the Stewart... | |
| 9551 | National Library of Ireland | Ms29770(55) | 1820 | Articles of agreement between Mary Doyne, Wingfield ... | Doyne Papers |
| 9613 | National Library of Ireland | Ms29756(4) | 1819 | Bond by Casar Colclough for £3,000 to the executors... | Colclough 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 |
| 6773 | Public Record Office of Northern Ireland | D/2193/2 | 1820 | Judgement search relating to Helen Montgomery of Lar... | |
| 8429 | Public Record Office of Northern Ireland | T/2662/1 | 1819-1820 | Copy of the journal of Miss Christiana Gordon made w... | |
| 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... | |
| 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 |
| 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... | |
| 10486 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs3750 | 1820 | Collection of autographs and copies of poems made by... | |
| 21959 | UCC Special Collections & Archives | U175 | 1819 | Box 9 contains legal documents including a Deed of P... | |
| 18404 | University of Galway Archives | LE21 | 1820 | Soft bound hand-written fair-copy manuscript of an a... | Strickland of County Roscommon |
| 19341 | Westmeath County Archives Department | | 1819 | 269 The Right Honourable Jane Countess of Lanesboro... | Howard Bury Papers |