| 13054 | Armagh County Museum | 1936/83 | 1805 | Assize calendar, County Down, Lent Assizes 1805, div... | |
| 16391 | Armagh Diocesan Archive (RC) | | 1801 | Letters of Most Reverend Dr Reilly, Archbishop of Ar... | Most Reverend Richard Reilly Archive |
| 19167 | Armagh Robinson Library | KE/IV/ 7 | 1800 | Diaries, Volume 2: 1798-1802Diary entry noting, '... | Alexander Hamilton Papers |
| 19168 | Armagh Robinson Library | KE/IV/ 7 | 1800 | Diaries, Volume 2: 1798-1802Diary entry noting, '... | Alexander Hamilton Papers |
| 16161 | Birr Castle Archives | A-W | 1804 | C/10: Letter to Sir William Parsons from Edmund Malo... | The Rosse Papers |
| 16162 | Birr Castle Archives | A-W | 1804 | D/2/1-18: Letters to Sir William Parsons from Peter ... | The Rosse Papers |
| 16173 | Birr Castle Archives | A-W | 1788
1797
1801 | H/37: Letters to Cassandra, wife of 2nd Lord Hawke f... | The Rosse Papers |
| 16196 | Birr Castle Archives | A-W | 1805 | H/65: Includes a letter from Frances Harvey Hawke to... | The Rosse Papers |
| 16197 | Birr Castle Archives | A-W | 1802-1804 | H/92: Letters and papers of Lord Hawke regarding the... | The Rosse Papers |
| 14585 | Cashel and Emly Diocesan Archives (RC) | | 1802 | 1802: 14 - Dr Moylan to Bray. A most unfriendly and ... | Papers of Dr T. Bray, Archbishop of Cashel and Emly, 1792-1820 |
| 14586 | Cashel and Emly Diocesan Archives (RC) | | 1804 | 1804: 4 - Dr Power to Bray. Bray has been appointed ... | Papers of Dr T. Bray, Archbishop of Cashel and Emly, 1792-1820 |
| 17209 | Cloyne Diocesan Archive (RC) | Box S | 1803
1861 | 1796.05/100/1861 Letter from Revd. J Fitzpatrick, M... | Bishop W. Keane Papers |
| 17041 | Cloyne Diocesan Archive (RC) | Box F | 1803 | 1791.00/3/1803 Letter from Count Bearhaven, Madrid t... | Bishop W. Coppinger |
| 13051 | Kilmainham Gaol Museum | 2PC-1A41-8 | 1803 | Section of a page of a Kilmainham register for 1803 ... | 1803 Rebellion |
| 13052 | Kilmainham Gaol Museum | 3BK-1J53-1 | 1805 | Papers presented to the House of Commons respecting ... | Catholic Emancipation |
| 13053 | Kilmainham Gaol Museum | 3BK-1J53-2 | 1805 | Papers presented to the House of Commons respecting ... | Catholic Emancipation |
| 21086 | King's Hospital School | 161-179 | 1805 | 162 Subscriptions half-yearly by relatives, August 1... | King's Hospital Records |
| 13050 | Leitrim Local Studies Department | Box, miscellaneous, 1 | 1802 | Marriage agreement between Thomas Brady of Killahurk... | |
| 12516 | Limerick Museum | AQNO (0000.2056) | 1804 | Book. Limerick printed by John and Thomas McAuliff. ... | |
| 13061 | Limerick Museum | AQNO (0000.1683) | 1801 | Letter, T. and E. Mason to Shepard Frinch? Carrick a... | |
| 20085 | Meath Local Studies and Family History Department | Box DI/ | 1801 | 15 Deed between Thomas Bligh, Brittas and Anthony Ca... | Mountainstown Documents |
| 20087 | Meath Local Studies and Family History Department | Box DI/ | 1801 | 17a Lease of land at Boynagh to John Clifford by Tho... | Mountainstown Documents |
| 20148 | Meath Local Studies and Family History Department | Box C/ | 1801 | 6 Lease between William Corbally (Drakestown) and Jo... | Mountainstown Documents |
| 20180 | Meath Local Studies and Family History Department | Box G/ | 1801 | 1 Deed between Thomas Bligh Brittas and Philip McNal... | Mountainstown Documents |
| 20208 | Meath Local Studies and Family History Department | Box I/ | 1804 | 19 Map of Butlerstown Estate of Thomas Bligh by Hugh... | Mountainstown Documents |
| 21296 | Meath Local Studies and Family History Department | Box DII/ | 1801 | 46 Lease of land at Cornicarrow by Thomas Bligh, Bri... | Mountainstown Documents |
| 3945 | National Archives of Ireland | Carton 620/49 | 1800 | 63 Memorial of [?] Dobbyn, St Mary's, New Ross, hus... | Rebellion Papers |
| 3946 | National Archives of Ireland | Carton 620/60 | 1801 | 40 Petition of Teresa Magrath, widow of the late Li... | Rebellion Papers |
| 3947 | National Archives of Ireland | 620/66 | 1803 | 260 Russell, Margaret to the Right Honorable Willia... | Rebellion Papers |
| 3952 | National Archives of Ireland | Soc1025/31 | 1803 | Series 1: Ballinqarane, County Limerick, information... | State of the Country Papers |
| 3953 | National Archives of Ireland | Soc1026/29 | 1804 | Series 1: Ball, Charles, Dublin, enclosing Honora Bo... | State of the Country Papers |
| 4007 | National Archives of Ireland | 1/146 | 1802 | Clare, Lady A., to Lord Westmoreland, 'Before yo... | Westmoreland Correspondence |
| 4008 | National Archives of Ireland | 1/145 | 1804 | Villiers, Lady Sarah Sophia, to Lord Westmoreland. H... | Westmoreland Correspondence |
| 4067 | National Archives of Ireland | | 1801 | Anne, Lady Ormonde, to Thomas Kemmis asking for advi... | Frazer Manuscripts |
| 4960 | National Archives of Ireland | | 1798
1801
1806 | 1798 Rebellion Papers in the Quit Rent Office Collec... | Quit Rent Office |
| 4962 | National Archives of Ireland | 39/a-e | 1798
1800 | 1798 Rebellion Papers in the Quit Rent Office Collec... | Quit Rent Office |
| 4964 | National Archives of Ireland | | 1798
1800 | 1798 Rebellion Papers in the Quit Rent Office Collec... | Quit Rent Office |
| 4965 | National Archives of Ireland | 45/a-e | 1798
1800 | 1798 Rebellion Papers in the Quit Rent Office Collec... | Quit Rent Office |
| 4966 | National Archives of Ireland | | 1798
1801 | 1798 Rebellion Papers in the Quit Rent Office Collec... | Quit Rent Office |
| 4967 | National Archives of Ireland | | 1798
1804 | 1798 Rebellion Papers in the Quit Rent Office Collec... | Quit Rent Office |
| 8821 | National Archives of Ireland | Carton 620/9/98/7 | 1800 | Private Information: Annoymous letter to Lord Castle... | Rebellion Papers |
| 8822 | National Archives of Ireland | Carton 620/10/120/11 | 1802 | Eliza Dowling, sister of Matt Dowling, late prisoner... | Rebellion Papers |
| 11444 | National Archives of Ireland | | 1803
1821 | Letter from Custom Officials relating to the petitio... | Customs and Excise |
| 11508 | National Archives of Ireland | | 1805 | Includes, among other items, draft will of E[linor] ... | Byrne Papers |
| 11532 | National Archives of Ireland | | 1805 | Lease for 29 years by Mrs Margaret Rossiter, Rosemou... | Byrne Papers |
| 11533 | National Archives of Ireland | | 1805 | Lease for 29 years by Mrs Margaret Rossiter, Rosemou... | Byrne Papers |
| 173 | National Library of Ireland | Ms18752 | 1803 | Diary of Maria Edgeworth, with references to politic... | |
| 909 | National Library of Ireland | Ms5634 | 1805, 1821-1847 | Minutes of the management committee of the Collon, C... | |
| 1493 | National Library of Ireland | Ms1694 | c1800 | A volume of verse by Marie Ann Dawson, c1800. | |
| 1939 | National Library of Ireland | Ms4108 | 1805, 1814 | Abstracts of male and female wills printed in the 'R... | |
| 1957 | National Library of Ireland | Ms4847 | 1746
1798
1805
1859 | Copies of Mrs Caroline Hamilton's family reminiscenc... | Wicklow Papers |
| 2321 | National Library of Ireland | Ms8326 | 1806-1808
1803
1954 | Typescript copies of the letters of Sarah Curran, Mr... | Sarah Curran papers |
| 2531 | National Library of Ireland | Ms9561 | c1800 | Lady Florence Balfour's book of recipes and pres... | Townley Hall Papers |
| 2884 | National Library of Ireland | Ms1552 | 1800 | Printed copy of an Act of Parliament (40 George III,... | |
| 2893 | National Library of Ireland | Ms8519 | 1800
1810 | Copies of documents relating to the Esmonde family, ... | Esmonde Papers |
| 2982 | National Library of Ireland | Ms9139 | 1801 | Photocopy of a recovery relating to lands at Barry's... | |
| 3016 | National Library of Ireland | Ms9592 | 1801 | List of subscribers, rules, lists of students and li... | Townley Hall Papers |
| 3038 | National Library of Ireland | Ms9878 | 1804 | Charges in scale for attendance and medicine agreed ... | F.S. Bourke Collection |
| 3067 | National Library of Ireland | Ms10162 | 1803 | Rental of the estate of Ponsonby Tottenham, County L... | Pakenham-Mahon Papers |
| 3601 | National Library of Ireland | Ms12187 | 1805 | A copy of Mary Tighe's poem, `Psyche or the Legend o... | |
| 3623 | National Library of Ireland | Ms12789 | 1801 | Rent Roll of the Earl of Leitrim's estate in the Bar... | Leitrim Papers |
| 6921 | National Library of Ireland | Ms19088 | 1800-1805 | Personal marriage and baptismal register of the Revd... | |
| 9308 | National Library of Ireland | Ms23463 | 1800-1801 | Domestic and Personal Account Book [of Charlotte Vis... | Doneraile Papers |
| 9450 | National Library of Ireland | Ms24708 | 1802 | Non-contemporary copies of the marriage settlement o... | Villiers-Stuart Papers |
| 9549 | National Library of Ireland | Ms29770(42) | 1805 | Marriage settlement of Robert Doyne (Wells) and Mrs ... | Doyne Papers |
| 9610 | National Library of Ireland | Ms29748(1) | 1784
1802 | Evidence of Mary Lambert, wife of William Lambert, B... | Colclough Papers |
| 9676 | National Library of Ireland | Ms29806(188-189) | 1803 | Ms29,806(188) Marriage settlement of Elizabeth, eld... | Dunalley Papers |
| 10093 | National Library of Ireland | Ms16354(81) | 1803 | Mrs Anna Worsley to Lord Bolton, soliciting a promot... | Bolton Manuscripts |
| 10764 | National Library of Ireland | Ms20296 | c1801 | Twelve letters to Charles O'Hara, the younger and to... | O'Hara Papers |
| 10801 | National Library of Ireland | Ms20739 | 1804 | Two letters of Daniel O'Connell to his wife containi... | |
| 11043 | National Library of Ireland | Ms18752 | 1803 | Diary of Maria Edgeworth with references to politica... | |
| 16678 | Presentation Sisters Congregational Archives | | 1800 | Book of house accounts from 1800 onwards to the late... | Presentation Convent, Kilkenny |
| 16679 | Presentation Sisters Congregational Archives | | 1800 | Correspondence between Kilkenny and other Presentati... | Presentation Convent, Kilkenny |
| 16701 | Presentation Sisters Congregational Archives | | 1769-1783
1800 | Correspondence, 4 items, 1769-c1800, includes photoc... | Presentation Sisters South West Province - South Presentation Community |
| 6379 | Public Record Office of Northern Ireland | T/1792/1 | 1805 | Copy of a letter containing family news from Mary Ir... | |
| 7550 | Public Record Office of Northern Ireland | D/957 | c.1800 | Commonplace book of Marion Leigh, Hilltown area, Cou... | |
| 8021 | Public Record Office of Northern Ireland | T/1516/1 | 1805 | Copy of a map, including a survey of the manor of Gl... | |
| 8317 | Public Record Office of Northern Ireland | T/2400/1 | 1805 | Copy of 170 page booklet of medicinal recipes compil... | |
| 7763 | Public Record Office of Northern Ireland | MIC/257 | 1803 | Microfilmed copy of a letter from Lord Castlereagh t... | |
| 8029 | Public Record Office of Northern Ireland | T/1560/1 | c.1804 | Fragment of a draft letter written by Revd. James Fo... | |
| 8087 | Public Record Office of Northern Ireland | T/1711 | c.1800 | Photostat typescript copies in book form, including ... | |
| 8370 | Public Record Office of Northern Ireland | T/2542/1 | 1803 | Copy of a letter from Admiral Lord Nelson aboard the... | |
| 8407 | Public Record Office of Northern Ireland | T/2627/1/6/9 | c1802 | A copy of a letter from Anne, Countess Dowager of Cl... | Hobart Papers |
| 8551 | Public Record Office of Northern Ireland | T/316/5 | 1803 | Copy of a bond from William Bristow, Vicar General o... | |
| 8607 | Public Record Office of Northern Ireland | T/490 | 1802 | Copies of administration to intestates in the Prerog... | |
| 21464 | Queen's University Belfast Special Collections and Archives | MS74 | 1800
1922 | MS 1/4 Holograph letter 4to. 7 pages. From John Wils... | QUB Miscellaneous Manuscripts |
| 507 | Religious Society of Friends in Ireland Historical Library | Portfolio 13 | 1805 | 11 Sarah Grubb, Anne Mills to Mary Pim, 1805. 12 ... | Handlists/Portfolio |
| 875 | Religious Society of Friends in Ireland Historical Library | Mss Box 11 | 1800
1876 | Notebook of Louisa Elizabeth Pim, 1876, containing s... | Handlists: Mss Boxes, Pamphlets Boxes, etc. |
| 1299 | Religious Society of Friends in Ireland Historical Library | | 1802 | Personnel Belongings: Plaited knot of hair enclosed ... | Museum Collection |
| 4166 | Religious Society of Friends in Ireland Historical Library | Deed Box XII | 1803-1804 | Elizabeth Cope, wife of William Cope: Folder 9:3 Pa... | Deeds |
| 5331 | Religious Society of Friends in Ireland Historical Library | MMIX/J1 | 1805 | Accounts: Building of Meeting House, Subscription li... | Limerick Monthly Meeting |
| 11097 | Religious Society of Friends in Ireland Historical Library | PM/TipI/J1 | 1804 | Clonmel Preparative Meeting, Women's Meeting Cash Bo... | |
| 4113 | Royal Irish Academy | 12/M/8 | 1803 | Rising of 1803, Depositions: Volume of depositions r... | Halliday Collection |
| 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 |
| 10268 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs5096 | 1768-1794
1805
1819 | Material relating to Anne O'Brien, died 1819, wife o... | |
| 18765 | Trinity College Dublin, Manuscripts and Archives Department | TCD MS 9308/822 | 1803 | Mrs Lynch's depostiton outlines a sexual assault and... | 'Q' Company Dublin Brigade Old IRA |