| 5590 | Association of Higher Civil and Public Servants | | 1948- | Annual Reports, 1948- | |
| 16887 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1845-1927
1948-1927
1948 | Marriage Registers, Cullen: 1845-1927, with inserts ... | Bolton Library Archive |
| 15040 | Catholic Girl Guides of Ireland | | 1948-1953 | Logbook of Company at Rathfarnham, November 1948-Jun... | |
| 15090 | Catholic Girl Guides of Ireland | | 1948-1963 | 1 paper folder, correspondence and other documents r... | |
| 15116 | Catholic Girl Guides of Ireland | | 1948-1956 | 1 paper folder with ring binding containing correspo... | |
| 3247 | Dún Laoghaire-Rathdown County Council | LA5/22 | 1948-1950 | Housing Sub-Committee Minutes and Reports, 18 Septem... | Dún Laoghaire Borough |
| 3249 | Dún Laoghaire-Rathdown County Council | LA5/ | 1948-1972 | Manager's Orders relating to Housing:142 6 May 1... | Dún Laoghaire Borough |
| 20491 | Galway County Council Archives | | 1948-1949 | Galway County Council, Public Health Accounts, 1 Mar... | Galway County Board of Health and Public Assistance |
| 20863 | Kildare Local Studies, Genealogy and Archives Department | | 1948-1950 | County Home, Athy:Financial Statement Book - Expendi... | Kildare Board of Health Records |
| 5708 | Laois Local Studies | 282-283 | 1948-1953 | Salary Public Assistance Expenditure Books:282. 1948... | Laois Local Authority Records |
| 21636 | Laois Local Studies | B2/9/ | 1945-1946
1948-1949
1954-1957 | Rate Book: 110. 1945-1946 111. 1948-1949 113. 1954-1... | Laois Local Authority Records |
| 21660 | Laois Local Studies | | 1948-1950 | Assistance Officers Expenditure Book:287. 1948-19492... | Laois Local Authority Records |
| 22366 | Leitrim Local Studies Department | | 1948-1952 | Misc. 68. Day Book, April 1948 - May 1952, Costello'... | Miscellaneous Records, Leitrim |
| 1093 | Loreto Archives | P2/6/F1 | 1948-1968 | M.M. Pauline Dunne 1948-1968:20 August 1940, account... | M.M. Pauline Dunne 1948-1968 |
| 14494 | Mayo Local History Department | | 1948-1966 | Register of Insurances, 1948-1966 | Mayo County Council |
| 6003 | Meath Hospital, incorporating The National Children's Hospital | MH/MR/07 | 1948-1958 | Meath Hospital: Registers of Patients, Meath Convale... | |
| 20346 | Meath Local Studies and Family History Department | UDC/I/G/ | 1948-1950 | 7-8 1948-1950. Two files, expenditure from capital a... | Navan Urban District Council |
| 21254 | Meath Local Studies and Family History Department | UDC/I/K/ | 1948-1952 | General Works and Services, Electricity and Public L... | Navan Urban District Council |
| 21278 | Meath Local Studies and Family History Department | UDC/I/L/ | 1948-1949 | Benefit Services, Allotments, Applications and Relat... | Navan Urban District Council |
| 6945 | Medical Missionaries of Mary Archive | | 1915-1921
1948-1962 | Most of the documents are letters between members of... | |
| 22841 | Methodist Historical Society of Ireland | | 1948-1975 | Birr Methodist Circuit:Schedule book, 1953-1967Minut... | |
| 592 | National Archives of Ireland | BG/137/ | 1948-1955 | Treasurer's Receipt and Payment Book:CE1 March 1... | Rathdown Poor Law Union and Rural District Council |
| 736 | National Archives of Ireland | BG/79/FGB1 | 1948-1950 | Baker's Weekly Return: July 1948 - July 1950. | South Dublin Poor Law Union and Rural District Council |
| 4695 | National Archives of Ireland | 408/222 | 1948-1956 | International Federation of Women Lawyers. Invitatio... | Department of Foreign Affairs |
| 4735 | National Archives of Ireland | SL122/11 | 1948-1951 | Remuneration of Junior Nursing Staffs. Representativ... | Department of Health |
| 4784 | National Archives of Ireland | CCA 1948/68 | 1948-1951 | Court of Criminal Appeal: File relating to appeal on... | Supreme Court and Court of Criminal Appeal |
| 4929 | National Archives of Ireland | TIL18/4/A | 1948-1954 | International Labour Office, partial revision of the... | Department of Labour and Labour Court |
| 5175 | National Archives of Ireland | GIS/1/48 | 1948-1951 | File containing speeches made by Minister for Health... | Government Information Service |
| 5269 | National Archives of Ireland | | 1948-1949 | The People versus Sabatino Capaldi and Margaret Mill... | State Files, Dublin Circuit Criminal Court |
| 11362 | National Archives of Ireland | Films1-16 | 1948-1953 | Passport Office Reference Cards, 1948-1953: Aalders,... | Department of Foreign Affairs |
| 12217 | National Archives of Ireland | 98/17/1/3/1-2 | 1948-1990 | Irish Housewives Association, Programmes:1: 1948-199... | Irish Housewives Association (Hilda Tweedy Papers) |
| 12228 | National Archives of Ireland | 98/17/3/2 | 1948-1974 | Irish Housewives Association Membership Records Bran... | Irish Housewives Association (Hilda Tweedy Papers) |
| 12250 | National Archives of Ireland | 98/17/3 | 1948-1992 | Council for the Status of Women Reports/Council Pape... | Irish Housewives Association (Hilda Tweedy Papers) |
| 21338 | National Gallery of Ireland Library | NGI/IA/FRO1/1 | 1948-2015 | Schurmann Family Gift, 2018:Collection contains 23 s... | Gerda Frömel Collection |
| 2726 | National Library of Ireland | Ms20825 | 1948-1963 | Correspondence of the Honorary Secretary of the Adop... | Adoption Society (Ireland) Papers |
| 2727 | National Library of Ireland | Ms20826 | 1948-1951 | Statements of the accounts of the Adoption Society (... | Adoption Society (Ireland) Papers |
| 2730 | National Library of Ireland | Ms20830 | c1948-1964 | Presscuttings relating to the adoption of children ... | Adoption Society (Ireland) Papers |
| 9281 | National Library of Ireland | Ms22996 | 1948-1969 | Letters from Revd. Ernest Gallagher and his wife Mur... | |
| 9746 | National Library of Ireland | Ms18338 | 1948-1952 | Correspondence of Phyllis Lawson, Sunderland Literar... | Frank Gallagher Papers |
| 10809 | National Library of Ireland | Mss19349-19350 | 1948-1965 | Two Minute Books of the executive committee of the L... | Adoption Society (Ireland) Papers |
| 10810 | National Library of Ireland | Mss19351-19352 | 1948-1951 | Minute Books of the publicity committee of the Adopt... | Adoption Society (Ireland) Papers |
| 10906 | National Library of Ireland | Ms21818 | c1948-1953 | Twelve autograph letters of Clifford Bax to Clifford... | |
| 10959 | National Library of Ireland | Mss22451 | c1948-60 | Letters from Father Michael Minihan, mostly to this ... | |
| 11053 | National Library of Ireland | Ms18815 | c1948-60 | Drafts of articles by Mrs Czira (psuedonym John Bren... | Mrs Sydney Czira papers |
| 401 | National Maternity Hospital | NMH/41 | 1948-1957 | Correspondence with the Department of Health regardi... | |
| 1752 | National Maternity Hospital | M/3 | 1948-1955 | Master's Report, April 1948-December 1955. Hand-writ... | |
| 6782 | Public Record Office of Northern Ireland | D/2229 | 1948-c.1953 | Pedigrees and genealogies of the Gordon family, Coun... | |
| 8116 | Public Record Office of Northern Ireland | T/1837/ | 1948-1949 | T/1837/1 Printed pedigree of the Workman family, Kil... | |
| 2183 | Representative Church Body Library | Ms547 | 1948-1949 | Correspondence about an Irish conference to follow t... | Irish Christian Fellowship |
| 22463 | Royal Victoria Hospital, Belfast | | 1938-1947
1948-1949 | Benn Hospital, Belfast, Minutes:1938-19471948-1949Bo... | |
| 22477 | Royal Victoria Hospital, Belfast | | 1948-1962 | Bound volume of photographs of the medical staff of ... | |
| 22496 | Royal Victoria Hospital, Belfast | | 1948-1959
1965 | 4 bound and printed volumes of Annual Reports of Bel... | |
| 21995 | St Canice's Hospital, Kilkenny | | 1948-1951 | Matron's Report Book:February 1948-January 1949J... | St Canice's District Lunatic Asylum |
| 22042 | St Dympna's Hospital, Carlow | IE DA SDH | 1948-1959 | Divisional Stock Book: May 1948-September 1959 | St Dympna's Psychiatric Hospital, Carlow |
| 9969 | UCC College Archives | SecO/file3531/Box 54/6/2 | 1948-1949 | File relating to pensions for widows of full time st... | Secretary's Office |
| 9973 | UCC College Archives | SecO/file3551/Box25/1 | 1948-1956 | File relating to elocution classes, 1948-1956. | Secretary's Office |
| 17287 | UCC Special Collections & Archives | BL/AR/BC | 1948-1963 | March 2011 Accession:1. 1948-1950: Copies of a ... | Ethna Byrne Costigan Collection |
| 10638 | UCD Archives | FF/B/IX/1/450-483 (P176) | 1948-1991 | Constituency Correspondence Files of Mary O'Shea... | Fianna Fáil Party Collection |
| 1883 | UCD Special Collections | Kav/B/73-75 | 1948-1967 | Personal Correspondence, 1948-1967: Kav/B/73 Manuscr... | Kavanagh Collection |
| 17277 | Ulster University Archive & Special Collections, Coleraine Campus | | 1948-1974 | This collection comprises of 1 file of letters and i... | Reggie Smith Papers |
| 1043 | Waterford City Archives | Fin 7/1/ | 1948-1974 | Rates South Ward 3A:43: 1948 - 194944: 1949 - 195045... | Records of the Finance Department |
| 4536 | Waterford City Archives | | 1948-1950 | Minute Book of Waterford City and County Infirmary, ... | Waterford City and County Infirmary |
| 4577 | Waterford City Archives | | 1948-1955 | Accidents Books, 8 July 1948-18 April 1955. | Waterford City and County Infirmary |
| 5917 | Waterford City Archives | AAC 12 | 1948-1954 | Arts Advisory Committee Correspondence: General Corr... | Arts Advisory Committee |
| 5980 | Waterford City Archives | H/1/ | 1948-1971 | Weekly Rent Collection Books for Corporation, Housin... | Housing Weekly Rent Collection Books |
| 23309 | Waterford City Archives | P30/ | 1948-1951 | 16: Volume detailing payments to inmates matron and ... | Michael Walsh Asylum |
| 19209 | Westmeath County Archives Department | | 1948-1953 | Estimates, 1948-1953 | Westmeath County Council |