| 13057 | Armagh County Museum | 1973/9 | 1808 | Pencil drawing 'Woman spinning in a doorway'... | |
| 7644 | Armagh Robinson Library | KG/III/35 | 1808-1867 | 1 volume Vestry Book of the parish of Killeavy, Coun... | |
| 16194 | Birr Castle Archives | A-W | 1796-1808
1795 | H/59-63: Letters to Lady Hawke from Miss Eliza Mosle... | The Rosse Papers |
| 20654 | Carlow County Archive | | 1808 | Letter to Mrs Cliffe from E.B. containing 'a few dog... | Vigors Papers |
| 16717 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1808-1837 | Union of Duntryleague (Galbally, diocese of Emly), n... | Bolton Library Archive |
| 16931 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1787-1808 | Right Honourable, the Lady Riversdale's account ... | Looney Collection |
| 22982 | Cork City and County Archives | U296 | 1790-1807
1808-1811
1816-1826 | 3 account books:2 January 1790-24 December 1807, for... | Cooper Penrose Papers |
| 11782 | Donegal County Archives | CH/BV/8/3/624 | 1807-1808 | Grand Jury Presentments, County Donegal, Lent Assize... | |
| 2 | Irish Dominican Congregation Archives | A11 | 1808-1827 | Channel Row, Clontarf, Cabra: Account Book, number 8... | Dominican Archives, Cabra |
| 40 | Irish Dominican Congregation Archives | A72 | 1808-1819
1906 | Letter from Convent House, Vernon Avenue, Clontarf, ... | Dominican Archives, Cabra |
| 20027 | Limerick Archives | P1 | 1808-1865 | Minute books, export books, 1815-1850, letterbooks, ... | Limerick Chamber of Commerce |
| 20207 | Meath Local Studies and Family History Department | Box I/ | 1808 | 18 Map of part of Kilgriffin Moybologue estate of Th... | Mountainstown Documents |
| 22893 | Methodist Historical Society of Ireland | | 1808-1915 | Archival box 2, contains, for example: 7 letters fro... | |
| 4959 | National Archives of Ireland | | 1798
1808 | 1798 Rebellion Papers in the Quit Rent Office Collec... | Quit Rent Office |
| 8939 | National Archives of Ireland | M61784/9 | 1808 | Papers relating to the Corranerary Estate of William... | Greville Estate Papers |
| 11535 | National Archives of Ireland | | 1808 | Chancery Brief, James and Catherine Ryan versus Jame... | Byrne Papers |
| 904 | National Library of Ireland | Ms5391 | 1774-1808 | Correspondence of Lady Boyle Roche with members of t... | |
| 2321 | National Library of Ireland | Ms8326 | 1806-1808
1803
1954 | Typescript copies of the letters of Sarah Curran, Mr... | Sarah Curran papers |
| 2404 | National Library of Ireland | Mss31571, 31588 | 1808-c1910 | Letters include one from Eleanor Butler to Mrs Trant... | Trant Papers |
| 2553 | National Library of Ireland | Ms8012 | 1728-1808 | Correspondence of the Fitzpatrick family, Earls of U... | Fitzpatrick Papers |
| 3448 | National Library of Ireland | Ms10265 | 1808-1819 | Miscellaneous papers including rentals and proposals... | Townley Hall Papers |
| 3457 | National Library of Ireland | Ms10364 | 1808-1820 | Includes, among other letters, letters to Mrs Sarah ... | Townley Hall Papers |
| 3472 | National Library of Ireland | Ms10528 | 1808 | Petition to Lord Cornwallis on behalf of the widow o... | |
| 9131 | National Library of Ireland | Ms14768 | 1797-1808 | Cash Book mostly relating to transactions with tenan... | Inchiquin Papers |
| 9346 | National Library of Ireland | Ms23811 | 1808 | An index to, and a brief alphabetical of rental of t... | Ormonde Papers |
| 9445 | National Library of Ireland | Ms24650(1-2) | 1808-1859 | Tenants' proposals, memorials, etc., mainly addresse... | Villiers-Stuart Papers |
| 9611 | National Library of Ireland | Ms29752(2) | 1808 | Draft of case of Casear Colclough versus Mary Bolger... | Colclough Papers |
| 9612 | National Library of Ireland | Ms29753 (2) | 1808 | Will of Margaret Roe, spinster, 1808. | Colclough Papers |
| 10660 | National Library of Ireland | Ms16724 | c1808 | Medical Recipe Book of Charlotte O'Hara, Annaghmore,... | O'Hara Papers |
| 10663 | National Library of Ireland | Ms16734 | 1808 | Gardening Memorandum Book of Charlotte Elizabeth O'H... | O'Hara Papers |
| 11061 | National Library of Ireland | Ms19150 | 1808-1819 | Rent Book of Nicholas Martin, Doon, MoyCullen, Count... | |
| 6836 | Public Record Office of Northern Ireland | D/3458/2 | 1650-1808 | Pedigree of the Fettiplace family of Childerry, Berk... | |
| 7121 | Public Record Office of Northern Ireland | D/2838 | 1808-1955 | The papers of the Best family of County Antrim, incl... | |
| 7188 | Public Record Office of Northern Ireland | D/3045 | 1808-1965 | A detailed calendar of the Young of Culdaff papers i... | Young of Culdaff Papers |
| 8408 | Public Record Office of Northern Ireland | T/2627/3/2/291 | c1808 | A copy of a letter from Lady Caher to Sir Arthur Wes... | Wellington Papers |
| 4140 | Religious Society of Friends in Ireland Historical Library | Deed Box IX/Folder 12:2 | 1808-1812 | Elizabeth Dawson, widow of John Dawson Coates. Extra... | Deeds |
| 4141 | Religious Society of Friends in Ireland Historical Library | Deed Box XIII/Folder 5:1 | 1808 | Elizabeth Dawson, certified copy of will, 1808. | Deeds |
| 21489 | Religious Society of Friends, Ulster Quarterly Meeting Archive | | 1808 | Yearly meeting marriage advice, 1808. | |
| 22405 | Royal College of Physicians of Ireland | | 1808-1981 | Minute Books, 1808-1981 (and later minutes to be tra... | Sir Patrick Dun's Hospital |
| 10179 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs4034 | 1807-1808 | Journal of a tour to the North of Ireland, 9 October... | Beaufort Papers |
| 10180 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs4035 | 1808 | Journal of a tour to the west to inspect the Charter... | Beaufort Papers |
| 10218 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs7284 | 1808-1813 | Personal Account Book of Mrs Louisa Clements, 1808-1... | Clements Papers |
| 18620 | Trinity College Dublin, Manuscripts and Archives Department | TCD MS 11045 | 1808-1835 | Includes mostly religious poems, many occasioned on ... | Poembook of Rebecca Wilson, of Waterford. |
| 18411 | University of Galway Archives | LE29 | 1808 | Copy of probate will of John Thomas, Earle of Clanri... | Probate Copy of Will of Thomas, Earl of Clanricarde |