| 2291 | Archbishop Marsh's Library | Z1/1/13(77) | 1700-1799 | Notice to the Publick, concerning a Loan-fund. [2 pa... | Ms1 |
| 19166 | Armagh Robinson Library | KE/IV/ 7 | 1799 | Diaries, Volume 2: 1798-1802Diary entry noting that ... | Alexander Hamilton Papers |
| 16187 | Birr Castle Archives | A-W | 1799
1806 | H/52: Bundle of letters between Lady Hawke and her d... | The Rosse Papers |
| 16188 | Birr Castle Archives | A-W | 1786-1799 | H/53: Letters to Lady Hawke from Misses Elizabeth an... | The Rosse Papers |
| 16193 | Birr Castle Archives | A-W | 1796-1799 | H/58: Letters to Lady Hawke from Mrs Bridget Scott, ... | The Rosse Papers |
| 16195 | Birr Castle Archives | A-W | 1770
1785
1799 | H/64: Miscellaneous correspondence which includes re... | The Rosse Papers |
| 16199 | Birr Castle Archives | A-W | 1777-1799 | H/110: Small quarto volume, including letters to 2nd... | The Rosse Papers |
| 20650 | Carlow County Archive | | 1799 | Marriage license of Thomas Wilson, County Kilkenny a... | Vigors Papers |
| 16861 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1770-1799 | Lismore Estate:Rent Roll of the Right Honourable Lor... | Bolton Library Archive |
| 14466 | Cavan County Archives | | 1799-1850 | Digitised copy of estate rental, lands owned by a Mi... | Enery Estate Rental |
| 21905 | Galway Diocesan Archives (RC) | | 1754-1799 | Box 4 Manuscript sermons 1754-1799. | |
| 6 | Irish Dominican Congregation Archives | A17 | 1700-1799 | List of Sisters in Channel Row from the Archives of ... | Dominican Archives, Cabra |
| 21732 | Kerry Diocesan Archives (RC) | MR20 | 1813-1819
1799
1807 | Volume regarding use of extraordinary faculties, 179... | Bishop David Moriarty, 1856-1877 |
| 21111 | King's Hospital School | 180-195 | 1799-1829 | 186 Pupils, administration lists, 1799 - 1829. | King's Hospital Records |
| 20086 | Meath Local Studies and Family History Department | Box DI/ | 1799 | 16 Lease of land at Linnenstown by William Corbally,... | Mountainstown Documents |
| 20574 | Meath Local Studies and Family History Department | Box DI/ | 1795
1799 | 1 Deed between William Corbally, Drakestown, and Pat... | Mountainstown Documents |
| 20576 | Meath Local Studies and Family History Department | Box DI/ | 1799 | 3 Lease of land to John Hopkins, Newcastle by Thomas... | Mountainstown Documents |
| 20578 | Meath Local Studies and Family History Department | Box DI/ | 1795
1799 | 5 Lease of land to Mehans by William Corbally 1795. ... | Mountainstown Documents |
| 20579 | Meath Local Studies and Family History Department | Box DI/ | 1799 | 6 Lease between Thomas Cherburgh Bligh and Richard T... | Mountainstown Documents |
| 4774 | National Archives of Ireland | Carton 620/17/35-36 | 1799-1800 | Examination of Bridget Dolan of Carnew, 3 October 17... | Rebellion Papers |
| 4961 | National Archives of Ireland | | 1798
1799 | 1798 Rebellion Papers in the Quit Rent Office Collec... | Quit Rent Office |
| 8820 | National Archives of Ireland | Carton 620/7/74/32 | 1799 | Private Information: Information of Jane Allen, Dona... | Rebellion Papers |
| 11526 | National Archives of Ireland | | 1799-1876 | Correspondence to Mrs C. Ryan, Miss Isabella Rossite... | Byrne Papers |
| 990 | National Library of Ireland | Ms11703 | 1794-1799 | Account and Wages Book of the King family, Ballylin,... | |
| 1004 | National Library of Ireland | Mss12972-12978 | 1755-1799 | Rental Accounts, Tenants Ledgers, Memoranda, Rent Ro... | |
| 1501 | National Library of Ireland | Ms2042 | 1799 | A 'copy of an Act to amend certain defects . . . In ... | |
| 1515 | National Library of Ireland | Ms2178 | 1776-1799 | Household and personal expense accounts of Jane Crei... | |
| 1551 | National Library of Ireland | Ms3100 | 1750-1799 | A memoir of John Vesey, Archbishop of Tuam, giving t... | |
| 1697 | National Library of Ireland | Ms10255 | 1700-1799
1800-1899
1779 | Miscellaneous 18th and 19th century documents. These... | Townley Hall Papers |
| 2484 | National Library of Ireland | Ms2178 | 1776-1799 | Accounts of household and personal expenses of Jane ... | |
| 2571 | National Library of Ireland | Ms5102 | 1741-1799 | Cookery recipes, household accounts and diary of Mar... | |
| 3445 | National Library of Ireland | Mss10259-10262 | 1685
1700-1799
1800-1899 | Rentals of Balfour (and other?) properties, County F... | Townley Hall Papers |
| 2473 | National Library of Ireland | Ms10187 | c1799 | Petition by Elizabeth Ussher, widow, to the Lord Cha... | Ussher Papers |
| 9136 | National Library of Ireland | Ms14798 | 1795-1799 | Rent Ledger of the County Clare estate of Sir Edward... | Inchiquin Papers |
| 9207 | National Library of Ireland | Ms15360 | c1790-1799 | Includes accounts of Lady Erne with her agents John ... | |
| 9682 | National Library of Ireland | Ms27152 | c1794-1799 | Eleven letters from Julia Bellew to her cousins Mich... | Bellew Papers |
| 10098 | National Library of Ireland | Mss16390-16396 | 1799-1887 | Seven Rent Ledgers of the estate of Sir Robert Hodso... | Hodson Papers |
| 10771 | National Library of Ireland | Ms20366 | c1799-1805 | Thirty letters to Margaret O'Hara from Anne Venables... | O'Hara Papers |
| 18824 | Offaly Archives | OCL P74 | 1798-1799 | Survey and valuation of the Digby estate completed b... | Digby Estate Valuation and Survey |
| 6728 | Public Record Office of Northern Ireland | D/2068 | 1799-1877 | This collection of c.20 documents, 1799-1877, includ... | |
| 6780 | Public Record Office of Northern Ireland | D/2225 | 1794-1799 | This collection of c.400 documents have been copied ... | |
| 7253 | Public Record Office of Northern Ireland | D/3402 | 1799-1905 | 77 documents, comprising mainly of deeds and leases ... | Donegall Papers |
| 7584 | Public Record Office of Northern Ireland | DIO/2/ | 1799-1923 | DIO/2/11/1 1 volume relating to Clogher Diocesan Wid... | Diocese of Clogher (Church of Ireland) Records |
| 7989 | Public Record Office of Northern Ireland | T/1435/1-8 | 1799-c.1937 | Extracts from c.7 letters of the Taylor family, Coun... | |
| 8404 | Public Record Office of Northern Ireland | T/2625 | 1799-1893 | T/2625/2 Copy of a letter from Mary Anne Pollock to... | |
| 8350 | Public Record Office of Northern Ireland | T/2487/ | 1799-c.1941 | Copies of correspondence of the Steele-Nicholson fam... | |
| 8579 | Public Record Office of Northern Ireland | T/3691 | 1799 | Extracts from the House of Lords' Journals relat... | |
| 22267 | RCSI Heritage Collections | Arch/7/A-B | 1776-1787
1772-1775
1795-1799 | Proceedings of the corporation appointed for the rel... | House of Industry & House of Industry Hospitals |
| 22268 | RCSI Heritage Collections | Arch/7/A-B | 1797-1799 | Arch7/A/6 Proceedings of the Acting Governors of the... | House of Industry & House of Industry Hospitals |
| 3892 | Religious Society of Friends in Ireland Historical Library | Pamphlet Box 5 | 1600-1799
1916 | Isabell Grubb's thesis for M A History (Internal) Un... | Handlists: Mss Boxes, Pamphlets Boxes, etc. |
| 4139 | Religious Society of Friends in Ireland Historical Library | Deed Box XII/Folder 3:7 | 1799 | Mary Read, original will with codicil, 3 April 1799. | Deeds |
| 4176 | Religious Society of Friends in Ireland Historical Library | Deed Box IX/Folder 12:9-1 | 1799-1926 | Elizabeth Dudley, Roscrea, County Tipperary. By her ... | Deeds |
| 447 | Roscommon Local Studies and Archives | | 1740-1799
1800-1899
1900-1989 | There are a number of files containing material rela... | Miscellaneous |
| 25104 | Royal Irish Academy | 12/R/ | 1798-1799 | 12/R/20/ Volume 12, 1798-1799. 39: Lady Louisa Conol... | James, Earl of Charlemont Correspondence |
| 6892 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs3583 | 1789-1799 | Personal servants' wages, 1789-1799. | Crofton Papers |
| 10228 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs7306/1-230 | 1799-1830 | Correspondence of Catherine Clements, wife of Henry ... | Clements Papers |
| 10230 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs7390 | 1799
1838 | The collection includes: Letters to Stokes's [future... | Whitley Stokes Papers |
| 10409 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs7318/1-20 | 1786-1799 | Rentals and Accounts of Woodford, County Leitrim, 17... | Clements Papers |
| 10425 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs10047/7 | 1799
1810 | Letters from D[eborah Lady] Musgrave [?after 1810]. ... | Graves Papers |
| 10430 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs10047/24 | 1799-1806 | Correspondence of Helena Perceval, later Graves, wit... | Graves Papers |
| 11684 | Trinity College Dublin, Manuscripts and Archives Department | TCDMss5484-5490 | 1799-1889 | Incorporated Society for Promoting Protestant School... | Incorporated Society for Promoting Protestant Schools in Ireland |