| 13112 | Armagh County Museum | 1978/29 | 1843 | Monthly returns of warrants and arrests, Constabular... | |
| 13113 | Armagh County Museum | 1978/30 | 1843 | Monthly returns of warrants and arrests, Constabular... | |
| 19124 | Armagh Robinson Library | Volume 7 | 1843 | A letter from H.L. Prentiss to Primate Beresford reg... | Primate J.G. Beresford Papers |
| 19132 | Armagh Robinson Library | Volume 8 | 1841-1843 | A petition of Mrs Susan James, Wexford, the wife of ... | Primate J.G. Beresford Papers |
| 19133 | Armagh Robinson Library | Volume 9 | 1841-1843 | Details on the parish of Loughgilly, 1841-1843, whic... | Primate J.G. Beresford Papers |
| 16210 | Birr Castle Archives | A-W | 1843 | K/17: Includes a letter to 3rd Earl of Rosse from Ma... | The Rosse Papers |
| 16790 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1843-1852 | Parish of St John Baptist, diocese of Cashel, Reader... | Bolton Library Archive |
| 16932 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1843 | 19th and 20th century correspondence, not catalogued... | Looney Collection |
| 14412 | Cavan County Archives | BG | 1843-1928 | Includes Poor Law records for Bailieborough, Bawnboy... | County Cavan Poor Law Union Records |
| 4231 | Church of Ireland Centre | Ms110 | 1843-1876 | General Committee Minutes, 8 April 1843 -9 November ... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 4260 | Church of Ireland Centre | Ms692 | 1840-1843 | Inspector's Reports of the Model School, 1840-18... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 4290 | Church of Ireland Centre | Serial No172 | 1843 | General Correspondence, III:Miss J. Edkins to Commit... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 17002 | Cloyne Diocesan Archive (RC) | Box B | 1843 | 1796.07/1/1843 Receipt for £1 from Mrs Duggan,... | Bishop W. Keane Papers |
| 17003 | Cloyne Diocesan Archive (RC) | Box B | 1843 | 1796.20/1/1843 Sermon prepared for reception of Miss... | Bishop W. Keane Papers |
| 17019 | Cloyne Diocesan Archive (RC) | | 1843 | 1793.06/1/1843 photocopy of a letter M O'Sulliva... | Bartholomew Crotty Papers |
| 17163 | Cloyne Diocesan Archive (RC) | Box X | 1843 | 1792.08/1/1843 Letter of Miss E. MacSweeny, Calcutta... | Revd. Denis Collins |
| 3701 | Cork City and County Archives | U21 | 1841-c1843 | Notebook of Robert Bennett, Recorder of Cork on case... | |
| 22984 | Cork City and County Archives | U140/Class E/ | 1843 | Day77/47 Committee of the Night Asylum for the House... | Dowden Papers |
| 22990 | Cork City and County Archives | U140/Class E/ | 1843
1844 | Day80/100 Cork Eye Dispensary, notice of establishme... | Dowden Papers |
| 23807 | Cork City and County Archives | U288 | 1843 | George Dibbs, Cork, to Mrs Agnes Dickson, near Plymo... | |
| 22974 | Cork City and County Archives | Judicial Civil Proceedings | 1759-1834
1835-1843 | Bills of costs, itemised lists of costs incurred by ... | Youghal Town Records |
| 1397 | Cork Public Museum | AQNO1957:44 | 1843 | Sketch of a woman and child, crayon sketch at Carrig... | |
| 3147 | Dún Laoghaire-Rathdown County Council | LA1/258 | 1843 | Legal Records: Copy lease: Revd R.F. Vavassour, 1st ... | Blackrock |
| 19888 | Erasmus Smith Schools Archives | | 1843-1967 | Ledgers and Nominal Ledger of the Erasmus Smith Trus... | Erasmus Smith Archives |
| 19892 | Erasmus Smith Schools Archives | | 1843-1946 | Registrar's Cash Books, numbers 2-39; 1843-1946. | Erasmus Smith Archives |
| 19897 | Erasmus Smith Schools Archives | | 1843-1923 | Rentals and tenancies of the Erasmus Smith Trust est... | Erasmus Smith Archives |
| 1432 | Fingal County Archive | GJ/3/13- GJ/3/32 | 1843-1860 | Baronial and County Presentments:GJ/3/13 1843 Easter... | County of Dublin Grand Jury |
| 22177 | Irish Jesuit Archives | N8/ | 1824-1843 | 8 21 November [1824] - 25 May 1843. A file relating ... | Papers of Revd Dr Charles William Russell (1812-1880) |
| 12128 | Kildare Local Studies, Genealogy and Archives Department | | 1843-1916 | Minute Books:4 January 1843-25 March 184929 December... | Naas Poor Law Union |
| 11700 | Kilkenny Local Studies Department | CR/D/9 | 1826-1843 | Kilkenny Corporation, Minute Book, 16 May 1826-23 Oc... | Kilkenny Corporation |
| 11701 | Kilkenny Local Studies Department | CR/D/10 | 1843-1851 | Kilkenny Corporation, Minute Book, 25 November 1843 ... | Kilkenny Corporation |
| 21137 | King's Hospital School | 196-215 | 1843-1858 | 207 Letter Book, 1843 - 1858. | King's Hospital Records |
| 1667 | Leitrim Local Studies Department | BG122/A/1-15 | 1843-1856 | Minute Books:1 - November 1839 - July 18432 - Novemb... | Mohill Poor Law Union |
| 1668 | Leitrim Local Studies Department | BG122/AA/ | 1843-1844
1848-1849
1851-1858
1863-1864 | Rough Minute Books:1 - July 1843 - August 18442 - De... | Mohill Poor Law Union |
| 1828 | Leitrim Local Studies Department | BG52/AA/ | 1843-1925 | Rough Minute Books:1 - July 1854 - January 1855 2 -... | Carrick-on-Shannon Poor Law Union |
| 1827 | Leitrim Local Studies Department | BG52/A/ | 1843-1919 | Minute Books:1 - June 1843 - August 18442 - August 1... | Carrick-on-Shannon Poor Law Union |
| 22285 | Leitrim Local Studies Department | BG/CA/ | 1843-1890 | Accounts, General Ledgers:1 - General Ledgers, 1843-... | Carrick-on-Shannon Poor Law Union |
| 19036 | Limerick Archives | P21 | 1776-1843 | Notebooks containing personal expenditure, housekeep... | Coote Papers |
| 19037 | Limerick Archives | P21 | 1803-1843 | Notebooks containing personal expenditure, housekeep... | Coote Papers |
| 13111 | Limerick Museum | AQNO (0000.1896) | 1842-1843 | Poster. Account of the Governors and Governesses of ... | |
| 13114 | Limerick Museum | AQNO (0000.1897) | 1843-1844 | Poster. Account of the Governors and Governesses of ... | |
| 1780 | Louth County Archives | BG/80/AA/ | 1843-1850 | Dundalk Poor Law Union, Rough Minute Books: 208 Apr... | Dundalk Poor Law Union |
| 20292 | Meath Local Studies and Family History Department | Box A/ | 1843 | 25 Essex and De Ros Estates, 1843. | Mountainstown Documents |
| 13148 | Monaghan County Library Genealogy and Local History Department | | 1852-1853, 1840-1843 | Photocopy of the manuscript Rent Book of the Newblis... | |
| 1858 | Monaghan County Museum | 1982:78 | 1843 | Grand Jury Accounts and Presentments 1843. | |
| 21551 | Monaghan County Museum | | 1757-1843 | Breakey (Ballybay and Monaghan),1757-1843 (253 items... | |
| 11518 | National Archives of Ireland | | 1827-1843 | Letters to Isabella Rossiter, September 1827 - Augus... | Byrne Papers |
| 11520 | National Archives of Ireland | | 1843 | Letter from Miss MacCarthy to the Misses Rossiter re... | Byrne Papers |
| 11530 | National Archives of Ireland | | 1843-1848 | Account Book, Isabella Rossiter, Naples, November 18... | Byrne Papers |
| 15533 | National Archives of Ireland | 999/141/8 | 1843 | Marriage licence for William Horan, Lismore and Cath... | Small Private Accessions |
| 1010 | National Library of Ireland | Ms13009 | 1837-1843 | Photostats of two letters, one incomplete, of Major ... | |
| 1902 | National Library of Ireland | Ms3788 | 1838-1843 | Diary of Bessy Lombard of Rahan, County Cork, Septem... | |
| 2423 | National Library of Ireland | P2598/N2977 | 1809-1843 | Microfilm: Includes Notebook of Lucy Currie, 1809, a... | Le Fanu Papers |
| 2724 | National Library of Ireland | Ms20793 | c1843-1860 | Receipts concerning the estate of Revd H.W. Crofton ... | Crofton Papers |
| 2881 | National Library of Ireland | Ms1503 | 1843 | An account of the life of Daniel O'Connell by his da... | |
| 2949 | National Library of Ireland | Ms8795 | 1842-1843 | Correspondence of James O'Donovan, County Cork and E... | |
| 2957 | National Library of Ireland | Ms8843 | 1813-1843 | Miscellaneous documents, 1813-1843, which include a ... | Robert White Papers |
| 2215 | National Library of Ireland | Ms10171 | 1826
1832
1843
1861-1862 | Papers and letters of the Ussher family of Cappagh, ... | Ussher Papers |
| 3509 | National Library of Ireland | Ms10170 | 1812-1843 | Correspondence of members of the Hayman family, Youg... | |
| 3627 | National Library of Ireland | Ms12809 | 1842-1843 | Rental of the Country Leitrim estate of the 2nd Earl... | Leitrim Papers |
| 2914 | National Library of Ireland | Ms8567 | 1843-1931 | Letters from America to Richard Lalor of Tinakill, L... | Lalor Papers |
| 9267 | National Library of Ireland | Ms15763 | 1837-1843
1850
1853 | Correspondence of Viscount and Lady Hardinge, 1837-1... | |
| 9591 | National Library of Ireland | Ms29805(12) | 1843 | Bog book, Garryhill estate, Carlow, 1843. | Bessborough Papers |
| 9624 | National Library of Ireland | Ms27348 | 1843 | Ejectment orders on Byrne lands, Annefield estate, C... | O'Bryne Papers |
| 10102 | National Library of Ireland | Ms16409 | 1840-1843 | Rent Ledger of the Mullingar area, County Westmeath,... | Hodson Papers |
| 10773 | National Library of Ireland | Ms20375 | 1843 | Letter to Charlotte Streatfield, mostly relating to ... | O'Hara Papers |
| 11040 | National Library of Ireland | Ms18624 | 1842-1843 | Arrears due on the Farnham estate giving list of ten... | Farnham Papers |
| 11551 | National Library of Ireland | MsG389/60 | [1843] | Letter to John (O) Daly from Harriet Madden, 26 July... | |
| 11587 | National Library of Ireland | Ms12370 | 1840-1843 | Castlebar Poor Law Union Rough Minute Book, 23 Janua... | |
| 11588 | National Library of Ireland | Ms12371 | 1840-1843 | Castlebar Poor Law Union Minute Book, 23 January 184... | |
| 11589 | National Library of Ireland | Ms12372 | 1843-1845 | Castlebar Poor Law Union Minute book, 1 July 1843- 7... | |
| 18966 | Offaly Archives | OCL BG158/1 | 1843-1921 | 112 bound volumes. Minute Books for Tullamore Union,... | Records of Tullamore Union |
| 18943 | Offaly Archives | OCL P68 | 1843-1994 | Sections A-C contain many thousands of invoices, rec... | Records of Robert Perry & Co. (Belmont Mills) |
| 6265 | Omagh Library | 344.415 | 1843-1848 | Bound, printed annual reports of the Poor Law Commis... | Local Studies Collection |
| 21397 | Our Lady's Hospital, Cork | | 1843 | Copy of An Account of Salaries, 1843. | |
| 6291 | Public Record Office of Northern Ireland | BG/24/ | 1843-1954 | All board of guardian records are closed for 100 yea... | Newry Board of Guardian Records |
| 6293 | Public Record Office of Northern Ireland | BG/26/ | 1843-1949 | All board of guardian records are closed for 100 yea... | Omagh Board of Guardian Records |
| 7155 | Public Record Office of Northern Ireland | D/2966/40/1 | 1843 | Letter about wages in cotton mills in Glasgow and Be... | |
| 6535 | Public Record Office of Northern Ireland | D/1466/1 | 1843-1862 | Letters from Louisa O'Hanlon, India, Cape of Goo... | Trotter Papers |
| 7038 | Public Record Office of Northern Ireland | D/2622/1 | 1670-1843 | Genealogical notes on the Stewart and Stewart-Moore ... | |
| 7164 | Public Record Office of Northern Ireland | D/2992/B/12 | 1843-1851 | Correspondence between Sir James Emerson Tennent and... | |
| 7501 | Public Record Office of Northern Ireland | D/456/37 | c.1843 | Draft appeal by some ladies in Belfast to Lady Doneg... | Drennan Papers |
| 7680 | Public Record Office of Northern Ireland | LA/34/ | 1843-1959 | The records of Dungannon Urban District Council incl... | Dungannon Urban District Council Records |
| 7769 | Public Record Office of Northern Ireland | MIC/32 | 1840-c.1843 | Draft letter from Mary Cunningham, Glenwood, [reject... | Cunningham (Belfast) Papers |
| 8064 | Public Record Office of Northern Ireland | T/1639/5-7/ | 1843-1888 | T/1639/5 Copy of an emigrant letter from Charlotte B... | |
| 8211 | Public Record Office of Northern Ireland | T/2076/1 | 1843 | Copy of a letter from Amy Douglas, Newtownstewart, C... | |
| 8513 | Public Record Office of Northern Ireland | T/2921/1/10 | 1843-1933 | Copies of the correspondence of the Workman family, ... | |
| 580 | Religious Society of Friends in Ireland Historical Library | YM/B9 | 1825-1843 | Women's Meeting: Epistles and answers to queries, 18... | Yearly Meetings |
| 1278 | Religious Society of Friends in Ireland Historical Library | MMII/C12 | 1843-1918 | MMII/C12 Dublin Monthly Meeting box file containing... | Dublin Monthly Meeting |
| 5336 | Religious Society of Friends in Ireland Historical Library |
MMIX/Z3
MMIX/Z3 | 1843-1893 | Miscellaneous: Copies of Munster Quarterly Meeting M... | Limerick Monthly Meeting |
| 2165 | Representative Church Body Library | Ms357 | 1843-1971 | Minutes, 1847-1944; accounts, 1851-1852; Visitors' r... | School for Educating the Daughters of the Irish Clergy |
| 5377 | Representative Church Body Library | D1/16 | 1837-1843 | Cleenish: 17 23 February 1837. Marriage license for... | Diocese of Clogher, 1690-1944 |
| 22401 | Royal College of Physicians of Ireland | | 1804-1843 | Cow Pock Institution Subscription Book,, 1804-1843. | Kings and Queens College of Physicians |
| 4119 | Royal Irish Academy | 12/W/1 | 1843 | Oil painting on panel of Lady Morgan, painted in Lon... | |
| 24289 | Tipperary County Archives | | 1842-1843 | Finance and Law Committee Reference Book, 1842-1843. | Clonmel Corporation |
| 19828 | Tipperary Studies | | 1839-1843 | Rough Minute Books:1839-1843 | Thurles Poor Law Union |
| 19833 | Tipperary Studies | | 1839-1843 | Valentine Maher, Turtulla, Thurles, Co. Tipperary:Es... | Tipperary Landed Estates Records |
| 10384 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs7607/1-53 | 1837-1843 | Letters and Papers of the 4th Earl referring to, amo... | Arran Papers |
| 10417 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs4998 | 1814
1843 | Prose translation of `Sintram' by Baron Fouque, c181... | Arnold-Forster |
| 10487 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs2318/2-3 | 1826-1843 | Letters from Joseph J Fitzpatrick, 1826-1843, to: Hi... | |
| 18612 | University of Limerick Special Collections and Archives | P40 | 1843-1991 | The papers have been divided into three series: busi... | The O'Mara Papers |
| 9914 | Waterford County Archives | BG/Lism | 1843-1924 | Minute Books for the Board of Guardians meetings of ... | Lismore Poor Law Union |
| 9915 | Waterford County Archives | BG/Lism/82 | 1843-1852 | Lismore Poor Law Union Rough Minute Book, details th... | Lismore Poor Law Union |
| 9922 | Waterford County Archives | BG/WTFD | 1843-1919 | Letter from the Chief Clerk of the Poor Law Commissi... | Waterford Poor Law Union |
| 19339 | Westmeath County Archives Department | | 1843 | 266 Maria Gerrard and Elizabeth Gerrard, widow, 1st... | Howard Bury Papers |