| 14319 | Alexandra College | | 1950 | Geraldine Temple Lang Presentation, 1950. | |
| 13765 | Armagh County Museum | 1957/3 | 1950 | Water-colour, 'Harbour master's house, Aberdeen 1950... | |
| 16249 | Armagh Diocesan Archive (RC) | | 1951 | Letter of Very Reverend Monsignor G. Benelli, Aposto... | Cardinal John D'Alton Archive |
| 16264 | Armagh Diocesan Archive (RC) | | 1950 | Material relating to Health Act (1953) and Bills of ... | Cardinal John D'Alton Archive |
| 16265 | Armagh Diocesan Archive (RC) | | 1951 | Material relating to Health Act (1953) and Bills of ... | Cardinal John D'Alton Archive |
| 16266 | Armagh Diocesan Archive (RC) | | 1951 | Material relating to Health Act (1953) and Bills of ... | Cardinal John D'Alton Archive |
| 16267 | Armagh Diocesan Archive (RC) | | 1951 | Material relating to Health Act (1953) and Bills of ... | Cardinal John D'Alton Archive |
| 16268 | Armagh Diocesan Archive (RC) | | 1951 | Material relating to Health Act (1953) and Bills of ... | Cardinal John D'Alton Archive |
| 16269 | Armagh Diocesan Archive (RC) | | 1951 | Material relating to Health Act (1953) and Bills of ... | Cardinal John D'Alton Archive |
| 16274 | Armagh Diocesan Archive (RC) | | 1951 | Material relating to the Health Scheme, 1948-1952, i... | Cardinal John D'Alton Archive |
| 16275 | Armagh Diocesan Archive (RC) | | 1951 | Material relating to the Health Scheme, 1948-1952, i... | Cardinal John D'Alton Archive |
| 16276 | Armagh Diocesan Archive (RC) | | 1951 | Material relating to the Health Scheme, 1948-1952, i... | Cardinal John D'Alton Archive |
| 16277 | Armagh Diocesan Archive (RC) | | 1950
1951 | Material relating to the Health Scheme, 1948-1952, i... | Cardinal John D'Alton Archive |
| 16289 | Armagh Diocesan Archive (RC) | | 1951 | Material relating the Department of Education, inclu... | Cardinal John D'Alton Archive |
| 19158 | Armagh Robinson Library | Volume 1950-1959 | 1951 | An extract from the Ulster Gazette which states... | Dean Rennison Papers |
| 6951 | Belfast Central Library | | 1950
1951
1963 | This is a collection of records, books, periodicals,... | James Eagleston Little Donation |
| 16739 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1870-1893
1951 | Church of Ireland Register of Vestry men, Doon, 1870... | Bolton Library Archive |
| 15036 | Catholic Girl Guides of Ireland | | 1950 | Bundle of miscellaneous financial material relating ... | |
| 15139 | Catholic Girl Guides of Ireland | | 1950 | 1 folder, material relating to the pilgrimage to Rom... | |
| 6098 | Clare County Archives | | 1950-1951 | Agenda Book, 19 August 1950 - 5 December 1951. | Clare County Council |
| 20702 | Clare County Archives | | 1950 | Minute Index Books, c1950s, 2 volumes. | Kilkee Town Commissioners |
| 325 | Irish Film Archive | Tomkins John/1950s/Butlin | 1950 | 'Tomkins John/1950s/Butlins Movienews - camp activit... | |
| 21795 | Kerry Diocesan Archives (RC) | O'B/86 | 1950 | Regarding Mother and Child Scheme, 1950. | Michael O'Brien, 1927-1952 |
| 21858 | Kerry Local Studies and Archives Department | | 1943
1950 | General Expenditure Book: 1943 1950 | Kerry County Council |
| 22301 | Leitrim Local Studies Department | | 1937-1948
1951 | Register of Paying Orders, 1937-1948Assistant County... | Leitrim County Council |
| 13764 | Limerick Museum | AQNO (1990.026) | 1950 | Photograph, black and white. Robert McBride and wife... | |
| 13766 | Limerick Museum | AQNO(1996.1398.06) | 1950 | Photograph, black and white print. Shannon Airport, ... | |
| 13768 | Limerick Museum | AQNO(1991.487) | 1951 | Billhead, printed of John Geary & Sons, 7 Thomas... | |
| 20079 | Little Company of Mary Sisters | LCM1 | 1950 | 1/3/7.01 Circular in typescript from Sr M. Hilda giv... | Mother Mary Potter, Foundress |
| 14557 | Mayo Local History Department | | 1950 | The collection covers several aspects of life in Cou... | Lyons Photographic Collection |
| 20347 | Meath Local Studies and Family History Department | UDC/I/G/ | 1949
1950 | 8 April 1949 - January 1950. | Navan Urban District Council |
| 20362 | Meath Local Studies and Family History Department | UDC/I/G/ | 1950 | 23 January 1950, two architectural plans, Architect,... | Navan Urban District Council |
| 20363 | Meath Local Studies and Family History Department | UDC/I/G/ | 1950 | 24 January 1950. Plan for proposed better class hous... | Navan Urban District Council |
| 20364 | Meath Local Studies and Family History Department | UDC/I/G/ | 1950 | 25 May 1950. General conditions of contract, specifi... | Navan Urban District Council |
| 20365 | Meath Local Studies and Family History Department | UDC/I/G/ | 1950 | 26 June 1950. Same for the erection of 20 working cl... | Navan Urban District Council |
| 20366 | Meath Local Studies and Family History Department | UDC/I/G/ | 1950 | 27 June 1950 14 completed forms of tender from vario... | Navan Urban District Council |
| 20367 | Meath Local Studies and Family History Department | UDC/I/G/ | 1950 | 28 November 1950. Bill of Quantities prepared by Fer... | Navan Urban District Council |
| 20368 | Meath Local Studies and Family History Department | UDC/I/G/ | 1950 | 29 c1950. General conditions of contract for the sit... | Navan Urban District Council |
| 20369 | Meath Local Studies and Family History Department | UDC/I/G/ | 1950 | 30 c1950. Architectural site plan for 84 houses. Pre... | Navan Urban District Council |
| 20372 | Meath Local Studies and Family History Department | UDC/I/G/ | 1951 | 34 c.1951. General conditions of contract and specif... | Navan Urban District Council |
| 20373 | Meath Local Studies and Family History Department | UDC/I/G/ | 1951 | 35 c.1951. Specifications as (34) complete | Navan Urban District Council |
| 20381 | Meath Local Studies and Family History Department | UDC/I/G/ (Individual Houses) | 1950 | 43 c.1950s. General conditions of contract for erect... | Navan Urban District Council |
| 20910 | Meath Local Studies and Family History Department | UDC/I/G/ | 1950 | Repairs to Artizan Dwellings, Memoranda:95 March 195... | Navan Urban District Council |
| 22900 | Methodist Historical Society of Ireland | | 1836
1892
1916
1930
1943
1950 | Archival box 17, containing, for example:An etched p... | |
| 3835 | National Archives of Ireland | E150/50/ | 1950 | Department of Industry and Commerce.E150 File Series... | Department of Industry and Commerce |
| 3925 | National Archives of Ireland | 98/1/42 | 1950 | Madame Madeline Jarry, Paris, concerning accommodati... | Secretary to the President's Office |
| 4657 | National Archives of Ireland | 305/14/156/1 | 1951 | Mrs Geraldine Hurley, Bradford, suggestions about an... | Department of Foreign Affairs |
| 4897 | National Archives of Ireland | E389/50 | 1951 | Notice of a motion in Dáil Éireann by ... | Department of Industry and Commerce |
| 11300 | National Archives of Ireland | 397/14 | 1950 | Consular Section Files: Recruitment of Irish nurses ... | Department of Foreign Affairs |
| 11324 | National Archives of Ireland | 320/110 | 1950-1951 | Mrs McCloskey, Dublin, importation of rug, 1950-1951... | Department of Foreign Affairs |
| 11357 | National Archives of Ireland | 438/73 | 1950 | Suggestion that presentation be made to Alice Millig... | Department of Foreign Affairs |
| 11358 | National Archives of Ireland | 438/106 | 1950 | Correspondence with Mrs Patricia Rushton, 20 Berkley... | Department of Foreign Affairs |
| 11361 | National Archives of Ireland | PS42/4 | 1951 | Secretary's Office Files. Correspondence relating to... | Department of Foreign Affairs |
| 11405 | National Archives of Ireland | A4/123 | 1950 | Cork North: General. Returns of Children and unmarri... | Department of Health |
| 11407 | National Archives of Ireland | A8/302 | 1950-1951 | Dublin: St Kevin's Institution, complaint relating t... | Department of Health |
| 12188 | National Archives of Ireland | RC10/1 | 1810-1830
1950 | Wills and Deeds of landowners in the 16th and 17th c... | Record Commission |
| 1909 | National Library of Ireland | Ms3940 | 1950 | A thesis entitled 'The theory of self-sufficiency an... | |
| 1944 | National Library of Ireland | Ms4759 | 1822
1950 | 'The Dublin theatre riots of 1822 and Catholic Emanc... | |
| 3473 | National Library of Ireland | Ms10536 | c1950 | Typescript and galley-proofs of `Our friend, James J... | |
| 9279 | National Library of Ireland | Ms22989 | 1950 | Satirical verses [by Brigid O'Mullane?] relating to ... | O'Mullane Papers |
| 9387 | National Library of Ireland | Ms24228 | c1950 | Biographical notes on Leonard McNally in the hand of... | Le Brocquy Papers |
| 9388 | National Library of Ireland | Ms24229 | c1950 | Holograph and typescript version of an article on St... | Le Brocquy Papers |
| 9394 | National Library of Ireland | Ms24239 | c1950 | Typescript copy of 4 poems by Blanaid Salkeld, c1950... | Le Brocquy Papers |
| 9486 | National Library of Ireland | Ms26039 | 1951 | Two letters to Joseph Brennan as Governor of the Cen... | Joseph Brennan Papers |
| 9491 | National Library of Ireland | Ms24208 | c1950 | Holograph and typescript copies of `Why Dean Swift d... | Le Brocquy Papers |
| 9492 | National Library of Ireland | Ms24209 | c1950 | Holograph and typscript versions of `The Enigma of S... | Le Brocquy Papers |
| 9493 | National Library of Ireland | Ms24210 | c1950 | Rough draft of a play about Dean Swift by Sybil Le B... | Le Brocquy Papers |
| 9494 | National Library of Ireland | Ms24213 | c1950 | Typescript and printed versions of `Some Places asso... | Le Brocquy Papers |
| 10932 | National Library of Ireland | Ms22158 | 1950 | Includes a letter from Conor Maguire to Niamh O'Conn... | J J O'Connell Papers |
| 11983 | National Library of Ireland | Ms33110 | 1951 | Literary Papers relating to `The Rebel's Wife', `Mat... | Rosamund Jacob Papers |
| 459 | National Maternity Hospital | NMH/51 | 1950 | Correspondence file relating to the Mother and Child... | |
| 461 | National Maternity Hospital | NMH/53 | 1950 | File concerning response of the Medical Association ... | |
| 4470 | National Maternity Hospital | NMH/65 | 1951 | Correspondence relating to Hospital Commission,1 Jan... | |
| 18986 | Offaly Archives | OCL TUDC11/9 | 1950 | 1 Planning Scheme:1950, including a 'preliminary... | Records of Tullamore Urban District Council |
| 21413 | Our Lady's Hospital, Cork | | 1950 | Clothing, Bedding for Washing Book, c.1950s. | |
| 7061 | Public Record Office of Northern Ireland | D/2672/5/3-5 | c.1950 | 3 bundles of genealogical notebooks complied by R.W.... | |
| 7169 | Public Record Office of Northern Ireland | D/3000/47 | c.1950 | Letters from Jane Lowry (née Stitt) to her da... | |
| 7439 | Public Record Office of Northern Ireland | D/4053 | c.1950 | This collection includes genealogical information on... | |
| 7766 | Public Record Office of Northern Ireland | MIC/28 | 1951 | Microfilmed copies of c.300 letters of condolence to... | |
| 8189 | Public Record Office of Northern Ireland | T/2022/1 | c1950 | History of the McKee family, Strangford, Newry and M... | |
| 8250 | Public Record Office of Northern Ireland | T/2190/1-2 | c.1950 | Genealogical notes on the Saunderson family, Magherb... | |
| 2145 | Representative Church Body Library | Ms47 | 1815
1950 | Account of the life of Ellen Hutchins, to 1815, bota... | |
| 4043 | Royal Irish Academy | 4/A/43 | 1200
1950 | Dobbs, Margaret C. List of feminine names up to 1200... | |
| 4115 | Royal Irish Academy | OSR on mantel | 1950 | Bergin, Osborn Joseph, 1873-1950. Pencil sketch made... | |
| 22666 | Services Industrial Professional Technical Union (SIPTU) | | 1950 | Cobh Branch:Register, 1950 | Irish Transport and General Workers Union |
| 12112 | St Louis' Heritage Centre | MCG15/GB30-MCG20/GB30 | 1950
1953
1964 | Photographs relating Mother Columbanus Greene, Monag... | |
| 10328 | Trinity College Dublin, Manuscripts and Archives Department | TCD/Miscellanous/Photocop | c1950 | Transcribed (and reconstituted) Diary of an American... | |
| 10398 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs10066/297 | 1941-1942
1951
1959-1965 | Photograph Album of Denis Johnston, 1941-1942; 1959-... | Denis Johnston Papers |
| 3649 | UCC Special Collections & Archives | UC/DC78 | 1951 | Letter from Mrs K.R. Buckley, Laurel Mount, Highfiel... | The Papers of Daniel Corkery |
| 3653 | UCC Special Collections & Archives | UC/DC692 | 1950 | Letter from Eileen Collins of Devin Adair relating t... | The Papers of Daniel Corkery |
| 3664 | UCC Special Collections & Archives | UC/DC753 | 1950 | Letter from Sister Duncan Corkery of New York inquir... | The Papers of Daniel Corkery |
| 3665 | UCC Special Collections & Archives | UC/DC767 | 1950 | Letter from Mrs Barbara Hopson (nee Fagan), Honda, N... | The Papers of Daniel Corkery |
| 3666 | UCC Special Collections & Archives | UC/DC784 | 1951 | Letter from Sister Mary Marylin, Toledo, Ohio, apolo... | The Papers of Daniel Corkery |
| 3710 | UCC Special Collections & Archives | UC/DC713 | 1950 | Letter from Betty Finnin, Fiction Editor of 'Wom... | The Papers of Daniel Corkery |
| 9897 | UCC Special Collections & Archives | UC/COC/3/B/I/309 | 1950 | Two typescript letters in Irish from Eibhlin Ni Chat... | Cormac Ó Cuilleanáin Papers |
| 10612 | UCD Archives | FF/I/1165 (P176) | 1951 | General Election Poster [?1951] entitled 'Wives ... | Fianna Fáil Party Collection |
| 18429 | University of Galway Archives | P72 | 1951 | Unused General Ration Book for 1951 issued by the De... | Ration Book |
| 4598 | Waterford City Archives | | 1950-1951 | X Ray Receipts Book, 24 October 1950-7 September 195... | Waterford City and County Infirmary |
| 5911 | Waterford City Archives | AAC/06 | 1950 | Register of Paintings and Sculptures. Soft cover sch... | Arts Advisory Committee |