| 16283 | Armagh Diocesan Archive (RC) | | 1957 1958 | Material on emigration, includes:Report on Missions ... | Cardinal John D'Alton Archive |
| 16284 | Armagh Diocesan Archive (RC) | | 1959 | Material on emigration, includes:Report of the Episc... | Cardinal John D'Alton Archive |
| 16285 | Armagh Diocesan Archive (RC) | | 1942 1958 1959 | Material on emigration, includes:Summary of work sin... | Cardinal John D'Alton Archive |
| 16287 | Armagh Diocesan Archive (RC) | | 1959 | Material relating to Telefís Éireann a... | Cardinal John D'Alton Archive |
| 16290 | Armagh Diocesan Archive (RC) | | 1959 | Material relating the Department of Education, inclu... | Cardinal John D'Alton Archive |
| 16291 | Armagh Diocesan Archive (RC) | | 1959 | Material relating the Department of Education, inclu... | Cardinal John D'Alton Archive |
| 16306 | Armagh Diocesan Archive (RC) | | 1958 | Miscellaneous material, includes:Evie Hone Exhibitio... | Cardinal John D'Alton Archive |
| 19159 | Armagh Robinson Library | Volume 1950-1959 | 1958 | An extract from The Times of an obituary for Ka... | Dean Rennison Papers |
| 15104 | Catholic Girl Guides of Ireland | | 1959 | Cash Book relating to Lourdes, 1959. | |
| 14404 | Cavan County Archives | | 1958 1959 1965 | 6 volumes, Typescript, Annual reports of the County ... | |
| 16456 | Central Catholic Library | | 1958 | Central Catholic Library, Minute Book of the Books C... | |
| 6159 | Clare County Archives | | 1959, 1973 | Standing Orders, 1959 and 1973. | Clare County Council |
| 13602 | Cork Public Museum | AQNOL1996:122 | 1942, 1959 | Letter to Nora Wallace dated 22 June 1959 from Eamon... | Nora Wallace Collection |
| 12964 | Donegal County Archives | CH/SR/D/14 | 1959 1970-1979 | This box includes the following material: A number ... | Maureen Wall Collection |
| 23165 | Fermanagh County Museum, Enniskillen Castle | FCM-1996-091 | 1959 | A photograph of Joan and Valerie Trimble, taken afte... | Joan and Valerie Trimble Papers |
| 18478 | Garda Museum and Archives | File 5 | 1959 | Pay and allowances - Ban Ghardaí, contains in... | |
| 20777 | Garda Museum and Archives | File 1 | 1958 1993 | Garda Síochána, women members of the f... | |
| 20789 | Garda Museum and Archives | File 2 | 1959 | Memo about the first passing out parade of twelve Ba... | |
| 20790 | Garda Museum and Archives | File 2 | 1959 | Memo, 17 September 1959 'on the 23rd August 1958 the... | |
| 20792 | Garda Museum and Archives | File 2 | 1959 | Memo about 'attestation of women police' from W. Hal... | |
| 23199 | Good Shepherd Sisters | | 1959 1972 | Associated Bodies:i) Conference of Major Religious S... | |
| 219 | Irish Film Archive | Amharc Éireann:Feiriní Cuimhn | 1958 | 'Amharc Éireann: Feirini Cuimhne (Souveni... | Gael Linn Collection |
| 231 | Irish Film Archive | Amharc Éireann/Eagran 29 | 1959 | 'Amharc Éireann/Eagran 29': Producer... | Gael Linn Collection |
| 241 | Irish Film Archive | Anadin Commercial/headach | 1959 | 'Anadin' Commercial/headache relief: A commercial f... | |
| 284 | Irish Film Archive | Amharc Éireann: Eagran 21 | 1959 | 'Amharc Éireann: Eagran 21': Product... | Gael Linn Collection |
| 303 | Irish Film Archive | Amharc Éireann/Eagran 16 | 1959 | 'Amharc Éireann/Eagran 16': Producti... | Gael Linn Collection |
| 304 | Irish Film Archive | Amharc Éireann/Gael Linn | 1959 | Amharc Éireann/Gael Linn Camogie Cup, etc.: ... | Gael Linn Collection |
| 362 | Irish Film Archive | Honeymoon Island | 1959 | 'Honeymoon Island': Production Company: Bord Failte... | |
| 371 | Irish Film Archive | Ireland in Spring | 1958 | 'Ireland in Spring': Film showing Ireland c... | |
| 313 | Irish Film Archive | Amharc Éireann/Eagran 24 | 1959 | 'Amharc Éireann/Eagran 24': Producti... | Gael Linn Collection |
| 351 | Irish Film Archive | Amharc Éireann/Eagran 26 | 1959 | 'Amharc Éireann/Eagran 26': Producti... | Gael Linn Collection |
| 358 | Irish Film Archive | Larry | 1959 | 'Larry': Production Company: Television Theatre (Ir... | |
| 1367 | Irish Theatre Archive | ITA/131/9/01A | 1958 | Letter from Jimmy O'Dean in California during fi... | Jimmy O'Dea Collection |
| 21687 | Laois Local Studies | 323-331 | 1959 | 331. Receipts (consolidated) Rates Payment District,... | Laois County Council |
| 3903 | National Archives of Ireland | TW5300 | 1959 | Files regarding Radio and Broadcasting. Eileen McGui... | Department of Tourism, Transport and Communications |
| 4667 | National Archives of Ireland | 350/13/79 | 1959 | Visas for Carmelite sisters travelling to Egypt, 195... | Department of Foreign Affairs |
| 4780 | National Archives of Ireland | OECD/N14 | 1959 | Employment problems of women workers, July-August 19... | Department of Social Welfare |
| 1960 | National Library of Ireland | Ms4844 | 1530-1600 1958 | A typescript on the life and times of Grace O'Malley... | |
| 9235 | National Library of Ireland | Ms15541 | 1958-1959 | Eight letters to Mrs Starkey from Christies, London,... | J.S. Starkey Papers |
| 9389 | National Library of Ireland | Ms24230 | 1958 | Account of the Staunton family in the hand of Sybil ... | Le Brocquy Papers |
| 10850 | National Library of Ireland | Ms21241 | 1958 | Letter to Gallagher from Estella Solomons acknowledg... | Frank Gallagher Papers |
| 10851 | National Library of Ireland | Ms21242 | 1958 | Letters [to the editor of The Sunday Press?] from Ma... | Frank Gallagher Papers |
| 11981 | National Library of Ireland | Ms33108 | 1958-1959 | Literary Papers relating to `The Rebel's Wife', `Mat... | Rosamund Jacob Papers |
| 11982 | National Library of Ireland | Ms33109 | 1958-1959 | Literary Papers relating to `The Rebel's Wife', `Mat... | Rosamund Jacob Papers |
| 473 | National Maternity Hospital | NR/13 | 1959 | File concerning appointment of nursing staff, Januar... | |
| 496 | National Maternity Hospital | NMH/104 | 1958 | Photograph album of first Charter Day celebrations, ... | |
| 7478 | Public Record Office of Northern Ireland | D/414/2 | 1959 | 1 volume confidential survey of unsatisfactory tenan... | |
| 13784 | Queen's University Belfast Special Collections and Archives | | 1959 | Correspondence from Sheila Waters about the preparat... | |
| 22065 | Representative Church Body Library | B5 | 1937-1954 1958 | St John's Parish, Register of Marriages:April 19... | St Fin Barre's Cathedral Cork Archive |
| 4329 | RTÉ Archive (Sound) | AA3975 | 1958 | City Newsreel: Ivvy Beson's Girls Brass Band, 29 Sep... | Sound Archive |
| 4330 | RTÉ Archive (Sound) | AA3977 | 1959 | City Newsreel: Nita Norrie, 8 June 1959. | Sound Archive |
| 22785 | Tower Museum, Derry-Londonderry | | 1958 | Printed flyer advertising a public meeting of London... | |
| 3662 | UCC Special Collections & Archives | UC/DC746 | 1958 | Note in Irish from Bríd Ní Chonmaigh r... | The Papers of Daniel Corkery |
| 9908 | UCC Special Collections & Archives | UC/COC/5/D/I/509 | 1958 | Note from Sister M St Anne, Ursuline Convent, Thurle... | Cormac Ó Cuilleanáin Papers |
| 13783 | UCC Special Collections & Archives | U191 | 1958 | Pamphlet entitled 'Unpublished discarded proof of "C... | |
| 19270 | Westmeath County Archives Department | | 1958-1959 | Westmeath County Council Milk for Mothers and Childr... | Westmeath County Council |