| 13844 | Armagh County Museum | 1960/49 | c.1830 | Water-colour portrait of the Misses Catherine and Fa... | |
| 16833 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1958-1965
1830 | Church of Ireland Parochial Account Book, Magorban, ... | Bolton Library Archive |
| 16911 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1831 | Large envelope marked 'Lismore Estate':Tithe... | Bolton Library Archive |
| 16912 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1830 | Large envelope marked 'Lismore Estate':Tithe... | 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 |
| 4264 | Church of Ireland Centre | Ms697 | 1830 | Folio containing examples of needlework executed in ... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 19001 | Church of Ireland Centre | Box 36 | 1830 | Model School:Mod. 16 - Acceptance by Mrs J.D. Jackso... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 19014 | Church of Ireland Centre | Box 36 | 1830 | Model School:Mod. 48 - Letter from Julia Campbell to... | Records of the Society for Promoting the Education of the Poor of Ireland |
| 12157 | Cloyne Diocesan Archive (RC) | Box F | 1829
1830 | 1792.05/5/1829 [Copy?] of a letter from [Sir Walter... | Bishop M. Collins |
| 17024 | Cloyne Diocesan Archive (RC) | Box A | 1831 | This box includes, for example, 1795. 6 January 1831... | Bishop Timothy Murphy Papers |
| 17040 | Cloyne Diocesan Archive (RC) | Box F | 1830 | 1791.00/1/1830 Draft letter of Bishop Collins, Skib... | Bishop W. Coppinger |
| 17153 | Cloyne Diocesan Archive (RC) | Box G | 1831 | 1792.02/2/1831 Letter from Bishop W. Coppinger, Cobh... | Bishop M. Collins |
| 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 |
| 6261 | Cultural Heritage Services Library, Armagh | 289.6415 | 1811
1830 | Bound printed volume, Advises and rules agreed to by... | |
| 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 |
| 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 |
| 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 |
| 20291 | Meath Local Studies and Family History Department | Box A/ | 1830 | 24 Letter to Arthur Pollock regarding rent received,... | Mountainstown Documents |
| 20309 | Meath Local Studies and Family History Department | Box A/ | 1830 | 14 Letter to Arthur Pollock regarding rent, 1830. | 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 |
| 4094 | National Archives of Ireland | OPII/650/Series 1 | 1831 | Foundling Hospital, Cork, material relating to G. Be... | Official Papers |
| 13099 | National Archives of Ireland | PPC3526 | 1830 | Petition of Mary Rooney, sentenced to 7 years transp... | Prisoners' Petitions and Cases, 1778-1836 |
| 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 |
| 15455 | National Archives of Ireland | 999/24/4 | 1830 | Covenant by Margaret Carew, Clonmel, widow and John ... | Small Private Accessions |
| 15618 | National Archives of Ireland | 999/237/3 | 1830 | Assignment of judgement by Cecelia Rossetor Byrne (e... | Small Private Accessions |
| 923 | National Library of Ireland | Ms5883 | 1830 | Includes a letter from Samuel Carter Hall to Miss La... | |
| 1566 | National Library of Ireland | Ms3503 | c1831 | An engagement diary containing a few notes on religi... | |
| 2429 | National Library of Ireland | Ms12113 | c1830 | Album of verse, music, sketches, etc, compiled by (?... | |
| 2497 | National Library of Ireland | P8423/Ms8221 | 1830
1840 | Petition, 1840, to the Secretary of State for the Co... | |
| 3589 | National Library of Ireland | Ms12113 | c1830 | An album of verse, sketches, etc., compiled by [Miss... | |
| 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 |
| 5010 | National Library of Ireland | Ms 32603 | 1830 | 44 Standing Rules and Regulations, [1830?]. | Mendicity Institute |
| 5021 | National Library of Ireland | Ms32613 | 1830 | 65 Index to the Journals to Volumes, 1-5, 1830. | Mendicity Institute |
| 8995 | National Library of Ireland | Ms13644(4) | 1831 | Three letters from Kate O'Connell to Daniel O'Connel... | O'Connell Papers |
| 8996 | National Library of Ireland | Ms13644(9-11) | c1830 | Letters to Daniel O'Connell, junior, from his mother... | O'Connell Papers |
| 9070 | National Library of Ireland | Ms14128 | c1830 | Tithe Applotment Book of the barony of Portnahinch, ... | Chetwood 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 |
| 9742 | National Library of Ireland | Ms18331 | c1830 | Two letters to Mathilda McLean in Belfast from S J M... | |
| 10113 | National Library of Ireland | Ms16532 | 1830-1831 | Daily and weekly reports of the Mendicity Asylum, Ol... | |
| 10767 | National Library of Ireland | Ms20333 | 1831 | Letter to Charles King O'Hara from Ann O'Connor, Coo... | O'Hara Papers |
| 7882 | Public Record Office of Northern Ireland | T/1123 | c1830 | 23 copies of maps giving tenants names for various t... | |
| 7883 | Public Record Office of Northern Ireland | T/1126/1 | 1821
1831 | Copies of census extracts for Tamlaght-Finlagan, Ban... | |
| 8328 | Public Record Office of Northern Ireland | T/2443/2 | c.1830 | Copy of a sketch of Mrs Martin's property betwee... | |
| 21475 | Queen's University Belfast Special Collections and Archives | MS74 | 1830 | MS 1/222 Elisabeth Beatty: Scrapbook commenced 1830 ... | QUB Miscellaneous Manuscripts |
| 538 | Religious Society of Friends in Ireland Historical Library | Portfolio 23 | 1830-1831 | Listed acknowledgements and certificates of removal ... | Handlists/Portfolio |
| 21499 | Religious Society of Friends, Ulster Quarterly Meeting Archive | | 1830 | Removal and disownment certificates from Lisburn mee... | |
| 22058 | St Dympna's Hospital, Carlow | IE DA SDH | 1832-900 | Rough Proceedings of the Board of Governors:13 Febru... | St Dympna's Psychiatric Hospital, Carlow |
| 22757 | Tower Museum, Derry-Londonderry | | 1830 | Oil painting of the burning of the effigy of Lundy i... | |
| 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 |