| 16168 | Birr Castle Archives | A-W | 1829-1831 | D/23/1-13 Letters to the 2nd Earl of Rosse from Cath... | The Rosse Papers |
| 16738 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1790-1831
1832-1870
1894-1906
1951-1959 | Doon Vestry Minute Books: 1790-1831 1832-1870, with ... | Bolton Library Archive |
| 16911 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1831 | Large envelope marked 'Lismore Estate':Tithe... | Bolton Library Archive |
| 16920 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1825-1831 | Among material located in the filing cabinet:(3) Cas... | Bolton Library Archive |
| 4249 | Church of Ireland Centre | Ms324-338 | 1830-1831 | Particulars of gratuities paid to teachers, 10 July ... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 17153 | Cloyne Diocesan Archive (RC) | Box G | 1831 | 1792.02/2/1831 Letter from Bishop W. Coppinger, Cobh... | Bishop M. Collins |
| 17024 | Cloyne Diocesan Archive (RC) | Box A | 1831 | This box includes, for example, 1795. 6 January 1831... | Bishop Timothy Murphy Papers |
| 17152 | Cloyne Diocesan Archive (RC) | Box G | 1831 | 1792.06/1/1831 Letter from Bishop M. Collins, Skibbe... | Bishop M. Collins |
| 17154 | Cloyne Diocesan Archive (RC) | Box G | 1831 | 1792.05/1/1831 Letter from J. Collins, London, to Bi... | Bishop M. Collins |
| 17155 | Cloyne Diocesan Archive (RC) | Box G | 1831 | 1792.06/5/1831 Letter from Revd M. O'Brien, Youg... | Bishop M. Collins |
| 17156 | Cloyne Diocesan Archive (RC) | Box G | 1831 | 1792.06/5/1831 Letter from Revd M. O'Brien, Youg... | Bishop M. Collins |
| 14447 | Cork City and County Archives | | 1831 | Lists of tenants and occupiers of properties in Holy... | Valuation List, Holy Trinity Parish, Cork City |
| 5084 | Irish Architectural Archive | 97/84/Box 36 | 1603-1831 | Documents mainly relating to lands around Leixlip an... | Castletown Papers |
| 38 | Irish Dominican Congregation Archives | A67 | 1647-1831 | Cabra notes, 1647-1831, two typed pages. | Dominican Archives, Cabra |
| 42 | Irish Dominican Congregation Archives | F1 | 1831 | Letter from Paul Cullen to 'My dear cousin',... | Dominican Archives, Cabra |
| 47 | Irish Dominican Congregation Archives | F6 | 1831 | Decree (handwritten) of Prop., 18 November 1831, to ... | Dominican Archives, Cabra |
| 22180 | Irish Jesuit Archives | N8/ | 1831-1834 | 11 25 February 1831 -24 September 1834. A file of le... | Papers of Revd Dr Charles William Russell (1812-1880) |
| 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). |
| 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). |
| 3766 | King's Inns Library | G/2/3-4 | 27 May 1831 | Assignment - Julia Fulham to Redmond Barrett, 27 May... | Records of the Honorable Society of King's Inns |
| 3768 | King's Inns Library | G2/3-7-3-9 | 1822-1831 | Memorial of Deed of Assignment - Julia Fulham to Fel... | Records of the Honorable Society of King's Inns |
| 123 | Limerick Archives | E | 1831-1891 | E. Receiving Rentals and Rent Ledger [items 26-30 ar... | Monteagle Papers |
| 14151 | Louth County Archives | | 1831-1841 | Borough of Dundalk, Minutes, May 1831 - July 1841. | |
| 20095 | Meath Local Studies and Family History Department | Box DI/ | 1831 | 23 Lease of land at Kilberry by Thomas Bligh to Thom... | Mountainstown Documents |
| 20204 | Meath Local Studies and Family History Department | Box I/ | 1831 | 15 Lease of land in Kilriffin Drumcondrath by Thomas... | Mountainstown Documents |
| 20613 | Meath Local Studies and Family History Department | Box E/ | 1831 | 1 Letter to Arthur Pollock, Mountainstown, acknowled... | Mountainstown Documents |
| 21295 | Meath Local Studies and Family History Department | Box DII/ | 1831 | 45 Lease of land at Cagneville by Thomas Bligh, Brit... | Mountainstown Documents |
| 21526 | Monaghan County Museum | | 1831 | T1-3 Photocopied letter and envelope. Foster to Mart... | Moorehead Letters |
| 3841 | National Archives of Ireland | H67/27 | 1831-1924 | Department of Justice. H67 Illicit Distillation: H67... | Department of Justice |
| 4094 | National Archives of Ireland | OPII/650/Series 1 | 1831 | Foundling Hospital, Cork, material relating to G. Be... | Official Papers |
| 8869 | National Archives of Ireland | 1045/5/2/1-6 | 1831-1914 | Registers of Applications for the Election of Orphan... | Protestant Orphan Society |
| 11507 | National Archives of Ireland | | 1831-1840 | Notebook containing accounts for living in Italy, al... | Byrne Papers |
| 13101 | National Archives of Ireland | FS 1831/1 | 1831 | List of transported convicts by county, with names a... | Free Settlers Papers, 1828-1857 |
| 15329 | National Archives of Ireland | 99/56/6/1 | 1831 | Various estate records. Lease for 31 years by Charle... | Family and estate records. 1611-1948 |
| 15450 | National Archives of Ireland | 999/20 | 1810-1830
1873-1874
1809-1814
1814-1831 | Parish Register. Plain copy parish register of Killa... | Small Private Accessions |
| 907 | National Library of Ireland | Mss5518-5574 | 1831-1900 | Mss5518-5528 Index to Minutes of Board Meetings of t... | |
| 965 | National Library of Ireland | Ms11363 | 1831-1861 | Letters relating to the Trench family estate, Heawoo... | Domvile Papers |
| 1566 | National Library of Ireland | Ms3503 | c1831 | An engagement diary containing a few notes on religi... | |
| 1969 | National Library of Ireland | Ms4957 | 1826-1831 | Daily report book of Carnew School on the estate of ... | |
| 1989 | National Library of Ireland | Mss7358-7359 | 1831-1834 | School Registers of the Keadue Education Society, 18... | |
| 2002 | National Library of Ireland | Ms7886 | 1831-1839 | Letters and other documents relating to Lady Morgan.... | |
| 3720 | National Library of Ireland | Ms13155 | 1831 | Recollections, incomplete, of Revd. William Hales, m... | |
| 3734 | National Library of Ireland | Ms13371 | 1831 | Letters, mainly to Thomas Spring-Rice, afterwards Lo... | Monteagle Papers |
| 8995 | National Library of Ireland | Ms13644(4) | 1831 | Three letters from Kate O'Connell to Daniel O'Connel... | O'Connell Papers |
| 9001 | National Library of Ireland | Ms13645(7) | 1824-1831 | Four letters to Mary O'Connell, wife of Daniel O'Con... | O'Connell Papers |
| 9259 | National Library of Ireland | Ms15727 | 1831 | Eight autographed letters of Thomas Moore, correspon... | |
| 9283 | National Library of Ireland | Ms23000 | 1830-1831 | Household account book of Mary Geraldine, Lady Mahon... | Mahon Papers |
| 9689 | National Library of Ireland | Ms27236 | 1826-1831 | Letters to her husband Michael Dillon Bellew from Ol... | Bellew Papers |
| 10113 | National Library of Ireland | Ms16532 | 1830-1831 | Daily and weekly reports of the Mendicity Asylum, Ol... | |
| 10653 | National Library of Ireland | Ms16694 | c1831-1898 | Scrapbook of Kate, daughter of Daniel O'Connell, mai... | |
| 10669 | National Library of Ireland | Ms16898 | 1831-1836 | Daybook of John Hickie, steward or sub-agent to Sir ... | |
| 10738 | National Library of Ireland | Mss19790-19798 | 1831-1838 | Nine rentals and accounts of the estate of Major Gen... | Bourke Papers |
| 10767 | National Library of Ireland | Ms20333 | 1831 | Letter to Charles King O'Hara from Ann O'Connor, Coo... | O'Hara Papers |
| 10947 | National Library of Ireland | Ms22341 | c1831-1861 | Correspondence of William Smith O'Brien, includes le... | William Smith O'Brien Papers |
| 7907 | Public Record Office of Northern Ireland | T/1187/1 | 1831-1900 | Copy pedigree of the Kerr family of Ballyshannon, Co... | |
| 6853 | Public Record Office of Northern Ireland | D/3491 | 1734-1831 | 47 volumes and 47 documents relating to the Pike fam... | |
| 7012 | Public Record Office of Northern Ireland | D/2524 | 1831-1835 | 12 documents relating to the Irish Distress Committe... | |
| 7377 | Public Record Office of Northern Ireland | D/3855/2 | 1831-1913 | c50 documents comprising of deeds and marriage settl... | |
| 7462 | Public Record Office of Northern Ireland | D/4100/ | 1831-1903 | D/4100/13 2 letters from Cecil Lothian (nee Talbot) ... | |
| 7794 | Public Record Office of Northern Ireland | MIC/5A | 1831-1851 | Microfilmed copies of census extracts of Londonderry... | |
| 7883 | Public Record Office of Northern Ireland | T/1126/1 | 1821
1831 | Copies of census extracts for Tamlaght-Finlagan, Ban... | |
| 8485 | Public Record Office of Northern Ireland | T/2809/1 | 1831-1884 | Copy of a diary and memorandum book kept by a member... | |
| 8504 | Public Record Office of Northern Ireland | T/2897 | 1831-1925 | Copies of miscellaneous papers and correspondence re... | |
| 538 | Religious Society of Friends in Ireland Historical Library | Portfolio 23 | 1830-1831 | Listed acknowledgements and certificates of removal ... | Handlists/Portfolio |
| 539 | Religious Society of Friends in Ireland Historical Library | Portfolio 24 | 1831-1832 | Listed acknowledgements and certificates of removal ... | Handlists/Portfolio |
| 5308 | Religious Society of Friends in Ireland Historical Library | MMIII/F1 | 1731-1831 | Testimonies: Testimonies of denial and condemnation,... | Edenderry Monthly Meeting |
| 5311 | Religious Society of Friends in Ireland Historical Library | MMIII/K1-2 | 1732-1831 | Removals: MMIII/K1 Certificates of Removal to and f... | Edenderry Monthly Meeting |
| 5317 | Religious Society of Friends in Ireland Historical Library | MMV/G1-4 | 1655-1831 | Sufferings and Tithes: MMV/G1 Sufferings and Family... | Mountmellick Monthly Monthly Meetings |
| 9991 | Religious Society of Friends in Ireland Historical Library | PM/DubII/Z3 | 1831-1835 | Monkstown Preparative Meeting, early papers, 1831-18... | |
| 22082 | Representative Church Body Library | B5 | 1752-1831
1885-1919 | St Fin Barre's Parish, Registers of Marriages:De... | St Fin Barre's Cathedral Cork Archive |
| 23724 | Representative Church Body Library | | 1665-1668
1738-1831 | Chapter Accounts: Lease, 1665-1668 Account Book of O... | Waterford Cathedral |
| 19790 | Tipperary Studies | | 1831-1869 | Rough Minute Books:3 September 1831-3 May 184020 Jan... | Cashel Poor Law Union |
| 22734 | Tower Museum, Derry-Londonderry | | 1831-1933 | Records of Gwyn's Charitable Institute (for boys... | |
| 6896 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs5110 | 1822-1831 | Autograph Album of poems and drawings, kept by [?Deb... | Arnold Family |
| 10185 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs9217 | 1831-1834 | Journal of Louisa Catherine de Beaufort, 5 November ... | Beaufort Papers |
| 11132 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs5020m | 1830-1831 | W R H Obsy to [Elinor de Vere] referred to in the th... | O'Brien family |
| 11133 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs5020 n | 1831 | W R H Curragh, to [Elinor de Vere], 11 December 1831... | O'Brien Family |
| 11134 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs5020o | 1831 | Review by W R H Adare, 13 December 1831, with refere... | O'Brien Family |
| 18757 | Trinity College Dublin, Manuscripts and Archives Department | TCD MS 11429 | 1800-1831 | The first poems are signed E.C.T. and one, being add... | Book of Poetry |
| 24091 | Union Theological College | | 1831 | 'Summary of the History of the Society of Friends' (... | Union Theological College Pamphlet Collection |
| 24092 | Union Theological College | | 1831 | 'Asylum for penitent females, 1st Report' (Dublin, H... | Union Theological College Pamphlet Collection |
| 13838 | University of Galway Archives | LE7 | c1774-1831 | The collection includes: Draft queries to Lady Clanm... | Ballyglunin Papers |
| 9930 | Waterford County Archives | | 1831-1855 | Tithe Receipt Books, 1831-1855 and no date. There ar... | Lismore Castle Papers |