| 18760 | Adelaide Hospital | TCD MS 11270/1-12 | 1838-2002 | The Adelaide Hospital Archive has been arranged into... | Adelaide Hospital Archive |
| 19174 | Adelaide Hospital | TCD MS 11270/2/1-8 | 1838-1999 | 2/ Executive General Committee/Managing Committee/Bo... | Adelaide Hospital Archive |
| 13144 | Armagh County Museum | 1956/61 | 1838
1851 | Memoranda books, medical, formerly belonged to Surge... | |
| 7640 | Armagh Robinson Library | KE/IV/21 | 1819-c.1838 | 1 volume of assize records of case histories for pro... | |
| 4134 | Church of Ireland Centre | Ms688a | 1838 | Fragile soft-bound book with inscription 'The Fo... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 16501 | Delany Archive | Box Bp.10 File H.1838/ | 1838 | 08: 4 April 1838 draft Bishop Francis Haly, Kilcock ... | Papers of Dr Francis Haly, Bishop of Kildare & Leighlin |
| 24070 | Delany Archive | Box Bp.10 File H.1838/ | 1838 | 16: 17 October 1838 M.G. Sweetman to Bishop Francis ... | Papers of Dr Francis Haly, Bishop of Kildare & Leighlin |
| 3396 | Donegal County Archives | CH/SR/BV/C/ | 1838-1975 | Miscellaneous County Donegal Rural District Council ... | Donegal Rural District Council Records |
| 19872 | Erasmus Smith Schools Archives | | 1678-1838 | 21 year leases for the Abbeylands, Tipperary, County... | Erasmus Smith Archives |
| 5081 | Irish Architectural Archive | 97/84/Box 29 | 1710-1838 | Documents mainly relating to various Celbridge estat... | Castletown Papers |
| 21729 | Kerry Diocesan Archives (RC) | E87 | 1838-1840
1827
1832 | Memoranda regarding hospital, 1827, 1832, 1838-1840. | Bishop Cornelius Egan, 1825 - 1856 |
| 21005 | King's Hospital School | 83-99 | 1838-1839 | 89 Agents Accounts, Mr A. Home, 1838 - 1839. | King's Hospital Records |
| 21011 | King's Hospital School | 83-99 | 1838-1839 | 95 Receipts Expenditure, 1838 - 1839. | King's Hospital Records |
| 21012 | King's Hospital School | 83-99 | 1838-1839 | 95A Receipts Expenditure, 1838 - 1839. | King's Hospital Records |
| 21013 | King's Hospital School | 83-99 | 1838 | 96 Rental, 1-28 September 1838. | King's Hospital Records |
| 21014 | King's Hospital School | 83-99 | 1838 | 97 Income and Expenditure, 1 January - 28 September ... | King's Hospital Records |
| 21029 | King's Hospital School | 100-115 | 1838-1858 | 103 Day Accounts Book, 1838 - 1858. | King's Hospital Records |
| 21114 | King's Hospital School | 180-195 | 1838-1845 | 189 Report Book weekly, 1838 - 1845. | King's Hospital Records |
| 114 | Limerick Archives | P14 | 1838-1963 | Papers of the Spring Rice family, who were granted t... | Monteagle Papers |
| 6975 | Limerick Museum | AQNO (0000.1891) | 1837-1838 | Poster. Account of the Governors and Governesses of ... | |
| 6982 | Limerick Museum | AQNO (0000.1892) | 1838-1839 | Poster. Account of the Governors and Governesses of ... | |
| 13081 | Limerick Museum | AQNO (0000.3526) | 1822-1838 | ARTHUR FAMILY PAPERS. Manuscript. Will if Mrs Rose ... | |
| 1096 | Loreto Archives | Boxes 14-21 | 1838-1961 | Typescript of life of Mary Ward (for girls) by M.M. ... | |
| 14152 | Louth County Archives | | 1838-1886 | Account Book of the Schooner 'The Irish Chieftai... | |
| 20128 | Meath Local Studies and Family History Department | Box F/ | 1838 | 10 Letter to Arthur Pollock acknowledging rent, 1838... | Mountainstown Documents |
| 20191 | Meath Local Studies and Family History Department | Box I/ | 1838 | 2 Fire assurance policy taken out by Edward Bligh, B... | Mountainstown Documents |
| 762 | National Archives of Ireland | 999/673/ | 1774-1838 | 2/2: 22 July 1774, Settlement on the marriage of the... | |
| 6976 | National Archives of Ireland | GPOTR2, folio21 | 1838 | Honora McCarthy, aged 60, County Cork, sentenced to ... | Transportation Registers, 1836-1857 |
| 6977 | National Archives of Ireland | GPOTR2, folio33 | 1838 | Bridget Ganly, aged 18, County Down, sentenced to 7 ... | Transportation Registers, 1836-1857 |
| 6978 | National Archives of Ireland | King's Co.1838 14334 | 1838 | Catherine Ward, Geashill, complaing about a maliciou... | Outrage Papers, 1832-1852 |
| 8809 | National Archives of Ireland | 2/440/37-43 | 1838-1855 | Poor Law Commissioners' Letters to J Burke: 1838-184... | State Papers |
| 15540 | National Archives of Ireland | 999/149/21 | 1838 | Bargain and sale forever by Mary Carroll, Ardfinnan,... | Small Private Accessions |
| 15557 | National Archives of Ireland | 999/169/3 | 1789-1838 | Family tree of ancestors of John Henry Eustace Hart,... | Small Private Accessions |
| 23990 | National Archives of Ireland | CRF 1838/H129 | 1838 | Contains a memorial from Mary Jane Hamilton informin... | Convict Reference Files, 1836-1922 |
| 143 | National Library of Ireland | Ms18478 | 1838 | Two autograph letters of Maria Edgeworth to William ... | |
| 167 | National Library of Ireland | Ms18615 | 1838 | Autograph letter of Robert Maxwell, serving with the... | Farnham Papers |
| 174 | National Library of Ireland | Ms18753 | 1826-1838 | Current expenses account books of Maria Edgeworth, 1... | |
| 1902 | National Library of Ireland | Ms3788 | 1838-1843 | Diary of Bessy Lombard of Rahan, County Cork, Septem... | |
| 1925 | National Library of Ireland | Ms4181 | 1830-1838 | Miscellaneous papers relating to the General Baptist... | |
| 2142 | National Library of Ireland | Ms3788 | 1838-1853 | Diary of Bessy Lombard, September 1838-April 1843. | |
| 2449 | National Library of Ireland | Mss3579-3580 | 1838-1840 | Two Journals of Mrs Francis Howard of Swords, June 1... | Wicklow Papers |
| 2597 | National Library of Ireland | Ms4962 | 1830-1838 | Book recording transactions carried out with the poo... | |
| 2755 | National Library of Ireland | Ms20965 | 1838 | Two letters to Kate D'Alton from her daughter Eliza,... | D'Alton Papers |
| 2758 | National Library of Ireland | Ms20969 | c1838-1841 | Miscellaneous papers concerning John D'Alton, mainly... | D'Alton Papers |
| 2953 | National Library of Ireland | Ms8810 | 1673-1838 | Documents relating to the King family, Rockingham, C... | Rockingham Papers |
| 2965 | National Library of Ireland | Ms8898 | 1838-1877 | Letters to his parents, mainly from Eton, by George ... | Brodrick Papers |
| 3028 | National Library of Ireland | Mss9737-9738 | 1838-1883 | Miscellaneous documents which include a list of tena... | Drogheda Papers |
| 2433 | National Library of Ireland | Ms3639 | 1838-1850 | Commonplace Book entitled 'Odds and ends, or sna... | |
| 3525 | National Library of Ireland | Ms11843 | 1832-1838 | Rent Roll of the Heywood estate, Queen's County, 183... | Domvile Papers |
| 9587 | National Library of Ireland | Ms29804 | 1838-1841 | Statement of receipts and arrears, 1838-1841. | Bessborough Papers |
| 9590 | National Library of Ireland | Ms29805 (9) | 1838 | Bill for mourning clothes for servants for Lady Dunc... | Bessborough Papers |
| 9617 | National Library of Ireland | Ms29760(2) | 1838 | Case on behalf of Mrs Mary G W Cloclough to advise h... | Colclough Papers |
| 9668 | National Library of Ireland | Ms29806(131) | 1838 | Lease of the Debsborough estate by Elizabeth Foley, ... | Dunalley Papers |
| 9774 | National Library of Ireland | Ms18478 | 1838 | Two letters of Maria Edgeworth to William Edgeworth ... | |
| 9783 | National Library of Ireland | Ms18522 | 1837-1838 | Four proposals to Earl Fitzwilliam from tenants on C... | |
| 10664 | National Library of Ireland | Ms16735 | 1838 | Book recording tithe rent charge payable by the tena... | O'Hara Papers |
| 10738 | National Library of Ireland | Mss19790-19798 | 1831-1838 | Nine rentals and accounts of the estate of Major Gen... | Bourke Papers |
| 11009 | National Library of Ireland | Ms18615 | 1838 | Autograph letter of Robert Maxwell, serving with the... | |
| 11044 | National Library of Ireland | Ms18753 | 1826-1838 | Current Expenses Account Books of Maria Edgeworth, 1... | |
| 19041 | Newry City Library | | 1900-1907
1838 | Manuscript abstract of the title of Mrs Mary Bredon,... | The Crossle Papers |
| 4802 | Newtown School, Waterford | School Safe/16 | 1838-1860 | Volumes entitles 'Friends Appointed to Examine Schoo... | |
| 11842 | OPW-Maynooth University Archive and Research Centre (OMARC) | Box 8 | 1838-1976 | Legal: Box 8Includes:Letita Overend: Draft and copy ... | Airfield Archive |
| 1820 | Public Record Office of Northern Ireland | D/2023 | 1838-1949 | The papers of the Moutray family of Favour Royal in ... | |
| 6382 | Public Record Office of Northern Ireland | T/1797 | c1838-c1955 | Photographs and genealogical notes regarding the Han... | |
| 6547 | Public Record Office of Northern Ireland | D/1513/7 | 1838-1959 | c.110 documents relating to the Drennan family, Cars... | |
| 6685 | Public Record Office of Northern Ireland | D/1909 | c.1838-c.1900 | This collection of 22 documents includes: Part of a ... | |
| 6770 | Public Record Office of Northern Ireland | D/2171 | 1838-c.1939 | This collection includes several miscellaneous lette... | |
| 8289 | Public Record Office of Northern Ireland | T/2310/4 | 1838-1839 | Copy of the annual report of Dervock Dispensary, Cou... | |
| 8092 | Public Record Office of Northern Ireland | T/1725/ | 1837-1838 | T/1725/2 and T/1725/8 Copies of the correspondence o... | |
| 8232 | Public Record Office of Northern Ireland | T/2139/1 | 1838 | Genealogical notes on the Abercorn branch of the Ham... | |
| 8396 | Public Record Office of Northern Ireland | T/2609/1-12 | 1830-1838 | Copies of 6 letters from Mrs Anne Scott, Clifton, Br... | |
| 8540 | Public Record Office of Northern Ireland | T/3048/B/1-54 | 1783-1838 | Copies of 54 letters to and from Lady Louisa Conolly... | McPeake Papers |
| 8552 | Public Record Office of Northern Ireland | T/3190/5 | 1832-1838 | Copy of a memorandum, 'Some aspects of life and educ... | |
| 8560 | Public Record Office of Northern Ireland | T/333/1 | 1838 | Copy of an indenture between the Earl of Enniskillen... | |
| 22271 | RCSI Heritage Collections | Arch/7/A-B | 1812-1838 | Arch/7/B/13 Minutes of the proceedings of the manage... | House of Industry & House of Industry Hospitals |
| 545 | Religious Society of Friends in Ireland Historical Library | Portfolio 30 | 1838 | 6 Dublin Monthly Meeting report of the Library Comm... | Handlists/Portfolio |
| 546 | Religious Society of Friends in Ireland Historical Library | Portfolio 31 | 1838-1839 | 1 Acknowledgement of Certificate of Sarah McQuillan... | Handlists/Portfolio |
| 3537 | Religious Society of Friends in Ireland Historical Library | MM/XXIIC1/Reel 17 | 1791-1838 | Ministers' and Elders' Minutes, Lisburn Monthly Meet... | |
| 3538 | Religious Society of Friends in Ireland Historical Library | MM/XIIC2/Reel 17 | 1838-1852 | Ministers's and Elders' Minutes, Lisburn Monthly Mee... | |
| 3563 | Religious Society of Friends in Ireland Historical Library | LGM/3/2B/Reel 29A | 1827-1838 | Women's Minutes, Lurgan Monthly Meeting, 1827-1838. ... | |
| 4054 | Royal Irish Academy | 24/F/23 | 1838 | Two autographed letters to Maria Edgeworth, 3 Januar... | Hamilton, William Rowan |
| 6979 | Sligo Archives Service | F.C./D.2/43 | 1838 | Names of convicts in Sligo gaol awaiting transportat... | |
| 14459 | Sligo Archives Service | | 1838-1925 | Sligo Union Workhouse Register:Volume 1: https://iss... | Sligo Workhouse Registers |
| 6980 | Tipperary Museum of Hidden History | AQNO1985.222 | 1838 | Letter, Edwin Taylor, distribution of alms in Dungar... | |
| 6981 | Tipperary Museum of Hidden History | AQNO1985.225 | 1838 | Letter, Dr Fogarty to Edwin Taylor, alms in Dungarva... | |
| 10230 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs7390 | 1799
1838 | The collection includes: Letters to Stokes's [future... | Whitley Stokes Papers |
| 10271 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs5089a | 1836, 1838, 1840, no date | Correspondence of the Honourable Grace O'Brien, 1836... | |
| 10385 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs7610/1-14 | 1838-1854 | Letters and papers of the 4th Earl concerning family... | Arran Papers |
| 11151 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs5055 | 1838-1896 | Copies of letters to Aubrey de Vere made by Mrs F.V.... | O'Brien Family |
| 11225 | Trinity College Dublin, Manuscripts and Archives Department | P 32/16/1-9 | 1835-1838 | County Carlow Rent Accounts and Improvement Claims, ... | Courtown Papers |
| 11687 | Trinity College Dublin, Manuscripts and Archives Department | TCDMss5659-5679 | 1765-1838 | Incorporated Society for Promoting Protestant School... | Incorporated Society for Promoting Protestant Schools in Ireland |
| 1879 | UCD Archives | S6/65 (1-124) | 1734-1838 | This collection is mainly concerned with the affairs... | Herbert Papers |
| 1893 | UCD Archives | LA38 (1-158) | 1838-1862 | Includes a few items relating to women, including co... | Eugene O'Curry Papers |
| 2864 | UCD Archives | AAC1 | 1838-1970 | Albert Agricultural College Papers. The Collection i... | Albert Agricultural College Papers |
| 13845 | University of Galway Archives | A7 | c1838-1866 | The collection includes: Notebooks and papers of Pro... | Richard Doherty Collection |
| 5957 | Waterford City Archives | TNC5/1 | 1838-1866 | Scrap Book: March 1838-. Typescript copies relating... | Records of the Town Clerk |