| 13106 | Armagh County Museum | 1962/170 | 1841-1842 | Rent Book, Dartry estate, County Armagh for November... | |
| 19120 | Armagh Robinson Library | Volume 7 | 1841 | A letter from Mrs Foster suggesting that her husband... | Primate J.G. Beresford Papers |
| 19121 | Armagh Robinson Library | Volume 7 | 1841 | A letter from Revd. W.H. Foster apologising for his ... | Primate J.G. Beresford Papers |
| 19127 | Armagh Robinson Library | Volume 8 | 1841 | A letter stating that Lady Elizabeth McClintock was ... | 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 |
| 4227 | Church of Ireland Centre | Ms106 | 1833-1841 | Committee Minutes and Resolutions, 17 August 1833-10... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 4228 | Church of Ireland Centre | Ms107 | 1841-1863 | Committee Minutes and Resolutions, 17 April 1841-2 J... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 17001 | Cloyne Diocesan Archive (RC) | Box B | 1841 | 1796.20/3/1841 Instruction for reception of Miss Ho... | Bishop W. Keane Papers |
| 3701 | Cork City and County Archives | U21 | 1841-c1843 | Notebook of Robert Bennett, Recorder of Cork on case... | |
| 12998 | Cork City and County Archives | U138 | 1609-1841 | Youghal Corporation Records,1609-1841, includes minu... | |
| 22928 | Delany Archive | Box Bp/10 File FH/1841/ | 1841 | 27. 31 July 1841 SC Propaganda Fide Rome, to Bishop ... | Papers of Dr Francis Haly, Bishop of Kildare & Leighlin |
| 3426 | Donegal County Archives | CH/BV/5/ | 1841-1958 | Minute Books (Not Digitised):CH/BV/5/1314. 13 July 1... | Letterkenny Poor Law Union |
| 3373 | Donegal County Archives | CH/BG/6; CH/BV/6; CH/BV/7 | 1841-1923 | Milford Poor Law Union Minute Books (Digitised):Milf... | Milford Poor Law Union |
| 7566 | Down County Museum | DB22 | 1839-1841
1886-1901 | 2 bound account books of Alexander Lacy, County Down... | |
| 22212 | Irish Jesuit Archives | MACE/MCAU/ | 1831-1841 | 44 'CMcA's Foundations 1831-1841', 1 section | John MacErlean SJ research on Mother Catherine McAuley (1778-1841). |
| 22219 | Irish Jesuit Archives | MACE/MCAU/ | 1837-1841 | 51 Copies of extracts concerning Catherine McAuley i... | John MacErlean SJ research on Mother Catherine McAuley (1778-1841). |
| 22225 | Irish Jesuit Archives | MACE/MCAU/ | 1831-1841 | 57 Lists of Sisters who 'Entered Baggot Street 1831-... | John MacErlean SJ research on Mother Catherine McAuley (1778-1841). |
| 22226 | Irish Jesuit Archives | MACE/MCAU/ | 1837-1841 | 58 Lists of 'Sisters who entered from July 1837 to N... | John MacErlean SJ research on Mother Catherine McAuley (1778-1841). |
| 22229 | Irish Jesuit Archives | MACE/MCAU/ | 1827-1841 | 61 Notebook with note on cover 'Sisters of Mercy 182... | John MacErlean SJ research on Mother Catherine McAuley (1778-1841). |
| 20926 | King's Hospital School | 1-16a | 1841-1856 | 12 Board Minute Book, 1841-1856. | King's Hospital Records |
| 19032 | Limerick Archives | LA L/MIN/ | 1841-1972 | 1. Limerick City Council Minute Book 11 Novembe... | Limerick City Council Minute Books |
| 6986 | Limerick Museum | AQNO (0000.1894) | 1840-1841 | Poster. Account of the Governors and Governesses of ... | |
| 13107 | Limerick Museum | AQNO (000.1895) | 1841-1842 | Poster. Account of the Governors and Governesses of ... | |
| 1078 | Loreto Archives | P2/2 B4 | 1833-1841 | Correspondence relating to Navan includes:10 July 18... | Correspondence relating to Navan |
| 14128 | Louth County Archives | | 1841 | Estate of the Right Honourable Sir A Foster. Particu... | |
| 14151 | Louth County Archives | | 1831-1841 | Borough of Dundalk, Minutes, May 1831 - July 1841. | |
| 18587 | Maynooth University and St Patrick's College, Maynooth | PP/33 | 1809-1841 | 155 items, 113 of which are letters from Howe Peter ... | The Marquess of Sligo Archive |
| 14552 | Mayo Local History Department | | 1841-1913 | Workhouse Financial Records, 1841-1913. | Ballinrobe Poor Law Union |
| 20302 | Meath Local Studies and Family History Department | Box A/ | 1841 | 7 Letter, 1841. | Mountainstown Documents |
| 21572 | Monaghan County Museum | | 1841-1852
1894 | Castleblayney Workhouse, Registers and Minutes, 1841... | |
| 759 | National Archives of Ireland | 999/669 | 1841 | 6 June 1841, Census return for Florence McCarthy and... | |
| 614 | National Archives of Ireland | BG/137/ | 1841-1883 | Indoor Relief Registers:G1 1841 - 1945G3 1847 - 1849... | Rathdown Poor Law Union and Rural District Council |
| 8895 | National Archives of Ireland | M6933/3/2 | 1782-1841 | Miscellaneous Rentals of Blake estates: May 1782 May... | Ballyglunin Papers |
| 8897 | National Archives of Ireland | M6933/10 | 1821
1822
1839
1840
1841 | Bundle of rentals of various portions of the Blake e... | Ballyglunin Papers |
| 8898 | National Archives of Ireland | M6933/28-29 | 1828-1841 | Account Book, Brooklodge, relating to wages, house a... | Ballyglunin Papers |
| 11434 | National Archives of Ireland | PCOMB/11/3/764-773 | 1841-1848 | Privy Council Minute Book, Number 11, 2 September 18... | Privy Council Records |
| 11523 | National Archives of Ireland | | 1841 | Letter from J. Horan to Mrs Cecilia Rossiter Byrne, ... | Byrne Papers |
| 15397 | National Archives of Ireland | 99/56/10/31 | 1841 | Papers relating to King's County. Castellammare ... | Family and estate records. 1611-1948 |
| 15398 | National Archives of Ireland | 99/56/10/32/1 | 1841 | Papers relating to King's County. Release for lives ... | Family and estate records. 1611-1948 |
| 15452 | National Archives of Ireland | 999/22/2 | 1841 | Marriage Settlement between Patrick Kain, Multifarna... | Small Private Accessions |
| 15553 | National Archives of Ireland | 999/168/4 | 1841-1976 | Notes concerning the descendants of Jacob Young and ... | Small Private Accessions |
| 921 | National Library of Ireland | Ms5839 | 1835-1841 | Cash book of Martha Roberts, landholder, Old Conna, ... | |
| 1948 | National Library of Ireland | Ms8462 | 1841 | A poem on the Blessed Virgin by Felicia Heman with a... | |
| 2745 | National Library of Ireland | Ms20946 | c1841-1958 | Eleven letters from John D'Alton to his wife Kate, m... | D'Alton Papers |
| 2748 | National Library of Ireland | Ms20951 | 1841 | Letter to John D'Alton from his son William, enclosi... | D'Alton Papers |
| 2756 | National Library of Ireland | Ms20,966 | 1841 | Two letters to Kate D'Alton of Dublin from her daugh... | D'Alton Papers |
| 2758 | National Library of Ireland | Ms20969 | c1838-1841 | Miscellaneous papers concerning John D'Alton, mainly... | D'Alton Papers |
| 2899 | National Library of Ireland | Ms 8553 | 1841-1859 | Rentals and miscellaneous documents, includes, among... | |
| 2983 | National Library of Ireland | Ms9143 | 1841 | Includes a photocopy of a grant to Mary Thorp, widow... | |
| 2984 | National Library of Ireland | Ms9145 | 1841 | Photocopy of a lease by Samuel Thorp to Mary Thorp, ... | |
| 5014 | National Library of Ireland | Ms32606/1-3 | 1841-1872 | Expenses Ledger: 51 30 January 1841-25 March 1848 5... | Mendicity Institute |
| 9293 | National Library of Ireland | Ms23311 | 1841-1846 | Household Account Book of Maria Edgeworth with some ... | Edgeworth Papers |
| 9345 | National Library of Ireland | Ms23810 | 1841 | Rate Book of the electoral division of Kilcash, Carr... | Ormonde Papers |
| 9587 | National Library of Ireland | Ms29804 | 1838-1841 | Statement of receipts and arrears, 1838-1841. | Bessborough Papers |
| 9626 | National Library of Ireland | Ms27358 | 1818-1841 | Miscellaneous letters, 1818-1841, including letters ... | O'Bryne Papers |
| 9635 | National Library of Ireland | Ms29767(16) | 1841 | Lease by John H Ryan to Anne Doyle, widow, and James... | Hibernian Mining Company Papers |
| 10107 | National Library of Ireland | Ms16418 | 1841-1850 | Rent Ledger of the Bray, Calary and Kilmacanoge area... | Hodson Papers |
| 10892 | National Library of Ireland | Ms21703 | 1841 | Three letters of the O'Connell family, includes a no... | |
| 6205 | Omagh Library | | 1841-1999 | Microfilmed copy of the census of population for Cou... | Local Studies Collection |
| 21392 | Our Lady's Hospital, Cork | | 1841-1852 | Copy of longitudinal section through the centre buil... | |
| 6303 | Public Record Office of Northern Ireland | BG/9/ | 1841-1948 | All board of guardian records are closed for 100 yea... | Clogher Board of Guardian Records |
| 6339 | Public Record Office of Northern Ireland | D/11/1 | 1841 | Deed of trust by Anne Hall, Dublin: subscription of ... | |
| 6482 | Public Record Office of Northern Ireland | D/1195/3 | 1841-1867 | Letters to Eleanor Wallace, Newtownards, from her co... | McIlwrath and Wallace Papers |
| 7878 | Public Record Office of Northern Ireland | T/1119/1 | 1821-1841 | Copy of a list of Stewarts in certain townlands in C... | |
| 6714 | Public Record Office of Northern Ireland | D/1961 | 1841-1855 | This collection of 8 documents and 1 volume includes... | |
| 7100 | Public Record Office of Northern Ireland | D/2777 | 1841-1920 | The O'Hagan papers contain c5000 documents and are o... | O'Hagan Papers |
| 7219 | Public Record Office of Northern Ireland | D/3139 | 1803-1841 | Household account book kept by Mrs William Tennent, ... | |
| 8009 | Public Record Office of Northern Ireland | T/1476/1 | 1841-1905 | Genealogical notes and correspondence relating to th... | |
| 8181 | Public Record Office of Northern Ireland | T/2006/1 | 1841 | Certified copy of extracts from the 1841 census rela... | |
| 8539 | Public Record Office of Northern Ireland | T/3036/6 | 1841 | Copy of a passenger list of emigrants on board the s... | |
| 8639 | Public Record Office of Northern Ireland | T/611/1 | 1821-1841 | Copies of extracts from the census returns for Count... | |
| 8707 | Public Record Office of Northern Ireland | T/881/1 | 1841 | Copy of a portion of census return, including Mary M... | |
| 8235 | Public Record Office of Northern Ireland | T/2146/1 | 1841 | Copy of a newspaper cutting from the Belfast News-Le... | |
| 8538 | Public Record Office of Northern Ireland | T/3034/1-2 | 1840-1841 | Copies of two letters from Elizabeth McCleland, Dunr... | |
| 8619 | Public Record Office of Northern Ireland | T/550 | 1841-1851 | Copy of census abstracts recording old age pension c... | |
| 8638 | Public Record Office of Northern Ireland | T/607 | 1821-1841 | Copy of an extract from the census returns in Record... | |
| 2271 | RCSI Heritage Collections | LOAn/3/5 | c1841-1842 | Extensive Case Notes of Admissions to Dr Steevens Ho... | Dr Steevens Hospital Case Notes |
| 548 | Religious Society of Friends in Ireland Historical Library | Portfolio 33 | 1840-1841 | 1 Certificate of Removal, Anne Grubb from Edenderry... | Handlists/Portfolio |
| 549 | Religious Society of Friends in Ireland Historical Library | Portfolio 34 | 1841-1842 | 3 Resignation of membership, Mary L Williamson and ... | Handlists/Portfolio |
| 652 | Religious Society of Friends in Ireland Historical Library | YM/B12 | 1841-1881 | Women's Meeting: Epistles and minutes, 1841-1881. ... | Yearly Meetings |
| 671 | Religious Society of Friends in Ireland Historical Library | QMI/B9 | 1841-1850 | Women's Meeting Minutes and Epistles from America, 1... | Leinster Quarterly Meetings |
| 1292 | Religious Society of Friends in Ireland Historical Library | | 1841 | Dress and accessories: Wedding dress of Elizabeth Ha... | Museum Collection |
| 1439 | Religious Society of Friends in Ireland Historical Library | Portfolio 36G | 1826-1841 | Bateman-Hughes Correspondence, 1826-1841: 9 Agreeme... | Handlists/Portfolio |
| 3556 | Religious Society of Friends in Ireland Historical Library | LBM/5/28/Reel 23 | 1801-1841 | Testimonies Acknowledging Misconduct, Lisburn Monthl... | |
| 3866 | Religious Society of Friends in Ireland Historical Library | Portfolio 62 | 1792-1841 | Pim Mss (Family Letters) 1792-1841, 69 items. Exampl... | Handlists/Portfolio |
| 25098 | Royal Irish Academy | 23/K/53 | 1841 | Envelope containing letter from Isabella Plunket to ... | Peter Burrows Papers |
| 13105 | Tipperary Museum of Hidden History | AQNO1995.410 | 1841 | Lease, Viscount Lismore to Mary Coughlan, Gurteenbeh... | |
| 19824 | Tipperary Studies | | 1841-1870 | Thurles Fever Hospital, Account Book:1841-1870 ... | Thurles Poor Law Union |
| 6454 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs5447a | 1814-1841 | Incorporated Society for Promoting Protestant School... | Incorporated Society for Promoting Protestant Schools in Ireland |
| 10508 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs3989 | 1841 | Anthology of poems concerning Conty Kilkenny familes... | |
| 11673 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs5306 | 1841-1848 | Incorporated Society for Promoting Protestant School... | Incorporated Society for Promoting Protestant Schools in Ireland |
| 11690 | Trinity College Dublin, Manuscripts and Archives Department | TCDMss5784-5785 | 1841-1898 | Incorporated Society for Promoting Protestant School... | Incorporated Society for Promoting Protestant Schools in Ireland |
| 995 | UCC Special Collections & Archives | BL/EP/G/184-204/A/5 | 1841 | Legal case papers including a number relating to wom... | Grehan Estate Collection |
| 2343 | UCD Archives | P106 | c.1841-1988 | The papers of Ellen Humphreys and Annie O'Rahill... | Sighle Humphreys Papers |
| 13847 | University of Galway Archives | P14 | c1841 | A scrapbook, kept by a lady in c1841, containing pri... | |
| 4542 | Waterford City Archives | | 1834-1841 | Petty Cash Books of the Leper Hospital, 19 April 183... | Waterford City and County Infirmary |
| 19325 | Westmeath County Archives Department | | 1841 | 184 Richard Swift Esq. to Catherine Louisa Marlay, ... | Howard Bury Papers |