| 14273 | Alexandra College | | 1830-1835 | 1 bound volume, Graves-Hemans letters:Manuscript ext... | |
| 14274 | Alexandra College | | 1830-1835 | 1 volume, photocopies of Hemans-Graves manuscript co... | |
| 13844 | Armagh County Museum | 1960/49 | c.1830 | Water-colour portrait of the Misses Catherine and Fa... | |
| 19161 | Armagh Robinson Library | Volume 1960-1969 | 1830-1966 | Unindexed and miscellaneous volume, mainly containin... | Dean Rennison Papers |
| 16167 | Birr Castle Archives | A-W | 1823-1830 | D/21/1-16: Letters to the 2nd Earl of Rosse from Mar... | The Rosse Papers |
| 16767 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1830-1833 | Lismore Estate:Timber Account, 1830-1833, 1 volume. | Bolton Library Archive |
| 16833 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1958-1965
1830 | Church of Ireland Parochial Account Book, Magorban, ... | 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 |
| 17040 | Cloyne Diocesan Archive (RC) | Box F | 1830 | 1791.00/1/1830 Draft letter of Bishop Collins, Skib... | Bishop W. Coppinger |
| 23017 | Cork City and County Archives | U87/ | 1821-1830 | 5: Ten Annual Reports of the Charity School and an a... | Cork Presbyterian Meeting House Records |
| 6261 | Cultural Heritage Services Library, Armagh | 289.6415 | 1811
1830 | Bound printed volume, Advises and rules agreed to by... | |
| 23790 | Delany Archive | Box Bp/05 File JKL.1830/ | 1830 | 04: 6 January 1830 copy Doyle to Alicia Kelly, Dubli... | Papers of Dr James Doyle, Bishop of Kildare & Leighlin |
| 23791 | Delany Archive | Box Bp/05 File JKL.1830/ | 1830 | 16: 19 March 1830 Daniel O'Connell, London to Doyle ... | Papers of Dr James Doyle, Bishop of Kildare & Leighlin |
| 23792 | Delany Archive | Box Bp/05 File JKL.1830/ | 1830 | 36: 4 August 1830 Doyle to Miss D. Lynch, convent, M... | Papers of Dr James Doyle, Bishop of Kildare & Leighlin |
| 23793 | Delany Archive | Box Bp/05 File JKL.1830/ | 1830 | 42: 23 August 1830 Baroness Montesquieu to Doyle, Mr... | Papers of Dr James Doyle, Bishop of Kildare & Leighlin |
| 19907 | Erasmus Smith Schools Archives | | 1830-1929 | Bank Books of the Board of Governors, the Registrar ... | Erasmus Smith Archives |
| 6962 | Holy Faith Sisters Archive | | 1830-1994 | The archive contains the following:St Brigid's O... | |
| 5078 | Irish Architectural Archive | 97/84/Box 25 | 1731-1830 | Documents, mainly leases relating to lands at Leixli... | Castletown Papers |
| 21010 | King's Hospital School | 83-99 | 1830-1837 | 94 Agents Accounts, 1830 -1837. | King's Hospital Records |
| 21665 | Laois Local Studies | | 1830-1854 | Lease of Lands by the Earl of Milltown in County Tip... | |
| 20028 | Limerick Archives | P1 | 1830-1860 | Library:28. Minute Book of Purchasing Committee, Feb... | Limerick Chamber of Commerce |
| 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 |
| 4108 | National Archives of Ireland | M736-M738 | 1829-1830 | Correspondence Entry books of letters of Lord Franci... | Leveson Gower Letter Books |
| 4989 | National Archives of Ireland | 1045/8/1 | 1830-1898 | Minutes of the General Committee, 1830-1898. | Protestant Orphan Society |
| 4991 | National Archives of Ireland | 1045/1/1/1-144 | 1830-1973 | Annual Reports, 1830-1973, of the Protestant Orphan ... | Protestant Orphan Society |
| 8884 | National Archives of Ireland | 1045/11/1/1-2 | 1830-1898 | Register and Index (incomplete) of Orphan Case Histo... | Protestant Orphan Refuge Society |
| 13099 | National Archives of Ireland | PPC3526 | 1830 | Petition of Mary Rooney, sentenced to 7 years transp... | Prisoners' Petitions and Cases, 1778-1836 |
| 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 |
| 12188 | National Archives of Ireland | RC10/1 | 1810-1830
1950 | Wills and Deeds of landowners in the 16th and 17th c... | Record Commission |
| 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... | |
| 1580 | National Library of Ireland | Ms3549 | 1830-1836 | An anonymous rentbook of the owner (Susan Swift?) of... | |
| 1925 | National Library of Ireland | Ms4181 | 1830-1838 | Miscellaneous papers relating to the General Baptist... | |
| 1955 | National Library of Ireland | Mss4799-4803 | c1798-1830 | Five albums compiled by Mrs Caroline Hamilton contai... | Wicklow Papers |
| 2390 | National Library of Ireland | Ms27485(1-35) | 1793-1830 | Letters to Denis Scully of Kilfeacle, County Tippera... | Scully Papers |
| 2421 | National Library of Ireland | Ms4152 | 1786-1830 | Commonplace Book of a female member or members of th... | |
| 2429 | National Library of Ireland | Ms12113 | c1830 | Album of verse, music, sketches, etc, compiled by (?... | |
| 2303 | National Library of Ireland | Ms4239 | 1778-1830 | Correspondence between Caroline Hamilton, Lady Mary ... | Wicklow papers |
| 2497 | National Library of Ireland | P8423/Ms8221 | 1830
1840 | Petition, 1840, to the Secretary of State for the Co... | |
| 2528 | National Library of Ireland | D10085-10094 | 1686-1830 | Nine Quaker marriage certificates of the Shackleton ... | Ballitore Papers |
| 2582 | National Library of Ireland | Ms12815 | c1830-1860 | Domestic accounts, recipes and memoranda of servants... | |
| 2597 | National Library of Ireland | Ms4962 | 1830-1838 | Book recording transactions carried out with the poo... | |
| 2897 | National Library of Ireland | Ms 8549 | 1829-1830 | Rental of part of the estates of the Tandy family, m... | |
| 2924 | National Library of Ireland | Ms8652 | 1824-1830 | Rent Rolls and Cash Accounts of the estates of Lord ... | |
| 3589 | National Library of Ireland | Ms12113 | c1830 | An album of verse, sketches, etc., compiled by [Miss... | |
| 3629 | National Library of Ireland | Mss12818-12909 | 1830-1899 | Miscellaneous accounts and rentals relating to the ... | Cloncurry Papers |
| 5009 | National Library of Ireland | Ms32601/1-6 | 1830-1929 | Admission Books: 11 October 1859-20 March 1860 8 Aug... | Mendicity Institute |
| 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 |
| 8996 | National Library of Ireland | Ms13644(9-11) | c1830 | Letters to Daniel O'Connell, junior, from his mother... | O'Connell Papers |
| 9007 | National Library of Ireland | Ms13651 | 1815-1830 | Letters to Daniel O'Connell from Mary O'Connell, Mar... | O'Connell Papers |
| 9026 | National Library of Ireland | Ms13748(10) | c1820-1830 | Letters from Lady Anne Fitzpatrick to Richard Wilson... | Fitzpatrick Papers |
| 9070 | National Library of Ireland | Ms14128 | c1830 | Tithe Applotment Book of the barony of Portnahinch, ... | Chetwood Papers |
| 9094 | National Library of Ireland | Ms14336 | c1830-1850 | Account book recording wages, domestic and farm expe... | |
| 9132 | National Library of Ireland | Ms14770-14771 | 1815-1830 | Cash Book, mainly relating to transactions with tena... | Inchiquin Papers |
| 9146 | National Library of Ireland | Ms14859 | 1830-1845 | Memorandum of Charlotte O'Brien for travelling and d... | Inchiquin Papers |
| 9175 | National Library of Ireland | Ms15147 | c. 1830-1868 | Letters to Thomas Kemmis, correspondents include his... | Kemmis Papers |
| 9251 | National Library of Ireland | Ms15619 | c1830-1839 | A Commonplace Book of a member of the Gamble family,... | Crosse and Blackwell Papers |
| 9283 | National Library of Ireland | Ms23000 | 1830-1831 | Household account book of Mary Geraldine, Lady Mahon... | Mahon Papers |
| 9370 | National Library of Ireland | Mss23525-23526 | c.1823-1830 | Two Letter Books of John FitzMaurice, Rahindoran, Co... | FitzMaurice Papers |
| 9542 | National Library of Ireland | Ms29777(7) | 1830-1850 | Census of tenants and undertenants, Ballytiglea, 183... | Bruen of Oakpark (County Carlow) Papers |
| 9742 | National Library of Ireland | Ms18331 | c1830 | Two letters to Mathilda McLean in Belfast from S J M... | |
| 10101 | National Library of Ireland | Mss16400-16406 | 1830-1846 | Forty Six Rent Ledgers of the estates of Sir Robert ... | Hodson Papers |
| 10113 | National Library of Ireland | Ms16532 | 1830-1831 | Daily and weekly reports of the Mendicity Asylum, Ol... | |
| 10737 | National Library of Ireland | Ms19789 | 1814-1830 | Tenants' Account Book, estate of Major General Sir R... | Bourke Papers |
| 10748 | National Library of Ireland | Ms19874 | 1830-1840 | Rent Book, estate of Thomas Studdert, Bunratty, Coun... | Studdert Papers |
| 18885 | Offaly Archives | OCL GJ1/1; GJ1/2 | 1830-1868
1852-1878 | 16 Presentment or 'Jobs' Books for the years 1830-18... | Records of King's County Grand Jury |
| 6488 | Public Record Office of Northern Ireland | D/1231/ | c.1830-1936 | D/1231/A/1 Reminiscences of early 19th century life ... | Blackwood Papers |
| 7882 | Public Record Office of Northern Ireland | T/1123 | c1830 | 23 copies of maps giving tenants names for various t... | |
| 8177 | Public Record Office of Northern Ireland | T/1992/1 | 1822-1830 | Sunday School Class Attendance Book, Broomhedge, Cou... | |
| 8315 | Public Record Office of Northern Ireland | T/2397/1 | 1830s-1850s | Copies of sketches of settlements in Victoria and Ta... | |
| 7055 | Public Record Office of Northern Ireland | D/2658 | c.1830s-1955 | The papers of J.B. and R.H. Twigg Solicitors, Cookst... | |
| 7135 | Public Record Office of Northern Ireland | D/2909 | c1830-1851 | 1 volume journal written by Mrs Muir, Paisley, Glasg... | |
| 7173 | Public Record Office of Northern Ireland | D/3010 | 1830-1966 | c.150 documents relating to the Orr/Newton family, 1... | |
| 7353 | Public Record Office of Northern Ireland | D/3790 | c1830s-1921 | Notebook recording the childhood reminiscences of Ca... | |
| 7742 | Public Record Office of Northern Ireland | MIC/138 | 1830s | Microfilmed letters between Elizabeth Lough, Ballygi... | Lough (Cairncastle) Papers |
| 7899 | Public Record Office of Northern Ireland | T/1173/10 | 1738-1830 | This collection includes, for example: Copies of 2 ... | |
| 8400 | Public Record Office of Northern Ireland | T/2616/1 | 1400-1830 | Pedigree of the Maguire family, c1400-1830. The dat... | |
| 8161 | Public Record Office of Northern Ireland | T/1964/1 | 1712-1830 | Volume of extracts from the registers of the 1st Pre... | |
| 8239 | Public Record Office of Northern Ireland | T/2154/1-5 | c.1830-1937 | 8 pages of typescript extracts from the records of S... | |
| 8328 | Public Record Office of Northern Ireland | T/2443/2 | c.1830 | Copy of a sketch of Mrs Martin's property betwee... | |
| 8396 | Public Record Office of Northern Ireland | T/2609/1-12 | 1830-1838 | Copies of 6 letters from Mrs Anne Scott, Clifton, Br... | |
| 8442 | Public Record Office of Northern Ireland | T/2700 | 1830-1878 | T/2700/2 Copy of an emigrant letter from Matthew Br... | |
| 8459 | Public Record Office of Northern Ireland | T/2738/ | 1801-1830 | T/2738/1 Copy of a farm account book kept by Mary Do... | |
| 8477 | Public Record Office of Northern Ireland | T/2777/1-2 | 1830-c.1960 | Volume including genealogical notes on the Jellett a... | |
| 8479 | Public Record Office of Northern Ireland | T/2784/1 | c.1830-c.1934 | Copy of a manuscript notebook relating to the Dundal... | |
| 8493 | Public Record Office of Northern Ireland | T/2851/ | 1709-1830 | Copies of the papers of the Darnley family including... | Darnely Papers |
| 8567 | Public Record Office of Northern Ireland | T/348/1 | 1624-1830 | Copy of a book containing extracts of wills and copy... | |
| 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 |
| 1425 | Religious Society of Friends in Ireland Historical Library | Portfolio 36A | 1830-1832 | Miscellaneous Letters: 1 A Testimony of denial rega... | Handlists/Portfolio |
| 21499 | Religious Society of Friends, Ulster Quarterly Meeting Archive | | 1830 | Removal and disownment certificates from Lisburn mee... | |
| 4048 | Royal Irish Academy | 23/H/54 | 1830-1832 | Dublin Festival Choral Society, Minute Book, 26 Nove... | |
| 22757 | Tower Museum, Derry-Londonderry | | 1830 | Oil painting of the burning of the effigy of Lundy i... | |
| 10219 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs7285 | 1829-1830 | Household Account Book of Mrs Louisa Clements, deali... | Clements Papers |
| 10228 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs7306/1-230 | 1799-1830 | Correspondence of Catherine Clements, wife of Henry ... | Clements Papers |
| 10413 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs4989 | 1827-1830 | Album of poems and drawings kept for W E Forster, as... | Arnold-Forster |
| 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 |
| 3678 | UCC Special Collections & Archives | U80 | 1784-1830 | Family papers of Pierce Fitzgearld, Gaelic poet and ... | |
| 2342 | UCD Archives | P36 | c.1830-1950 | Family of Kilrush, County Clare and County Limerick:... | McDonnell Family Papers |
| 2859 | UCD Archives | LA15 | 1830-1916 | Correspondents include: Sara Allgood Helen Allingham... | D.J. O'Donoghue Papers |
| 24090 | Union Theological College | | 1825-1830 | 'Belfast Juvenile Society', 1st, 4th, 5th and 6th An... | Union Theological College Pamphlet Collection |
| 13100 | Waterford and Lismore Diocesan Archives (RC) | | 1830-1839 | Contents of box marked 1830-1839 includes: 2 Acknow... | |
| 4541 | Waterford City Archives | | 1830-1848 | Petty Cash Books of the Leper Hospital, 21 January 1... | Waterford City and County Infirmary |
| 11459 | Waterford County Archives | Area17 | c.1830-1957 | Area 17 consists of vouchers in separate papers parc... | Lismore Castle Papers |