| 19182 | Adelaide Hospital | TCD MS 11270/11/1-13 | 1858-2007 | 11/ Published items Annual reports Articles by Adela... | Adelaide Hospital Archive |
| 13165 | Armagh County Museum | 1956/133 | 1858 | Hacknahay School House, Committee Minutes, 204 pages... | |
| 16422 | Armagh Diocesan Archive (RC) | | 1858 | Letter of Sister M. de Sales, St Malachy's Dunda... | Most Reverend John Dixon Archive |
| 16423 | Armagh Diocesan Archive (RC) | | 1858 | Letter of Most Reverend Dr Dixon, relating to the du... | Most Reverend John Dixon Archive |
| 19108 | Armagh Robinson Library | Volume 1 | 1858 | A letter from Mrs Flavell, Loughgall, concerning the... | Primate J.G. Beresford Papers |
| 19135 | Armagh Robinson Library | Volume 9 | 1858 | A letter from Mrs Anne Darby regarding the collectio... | Primate J.G. Beresford Papers |
| 19110 | Armagh Robinson Library | Volume 1 | 1858 | 3rd Report of Ardee Ragged School, listing the names... | Primate J.G. Beresford Papers |
| 16890 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1858-1865 | Marriage Register, Emly parish, 1858-1865, with inse... | Bolton Library Archive |
| 17075 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.07/14/1858 Letter of Mr Swarisborough [?], Cas... | Bishop W. Keane Papers |
| 17076 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/23/1858 Letter from Sister M J McCarthy, Me... | Bishop W. Keane Papers |
| 17077 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/24/1858 Letter from Sister M J McCarthy, Me... | Bishop W. Keane Papers |
| 17078 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/26/1858 Letter from Sister M J McCarthy, Me... | Bishop W. Keane Papers |
| 17079 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/27/1858 Letter from Sister M J McCarthy, Me... | Bishop W. Keane Papers |
| 17080 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/28/1858 Letter from Sister M J McCarthy, Me... | Bishop W. Keane Papers |
| 17081 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.07/18/1858 Letter from H Mary Goold, Queenstow... | Bishop W. Keane Papers |
| 17082 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/31/1858 Letter from Sister M Clare, Present... | Bishop W. Keane Papers |
| 17083 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/32/1858 Note from Sister M A Tuite, Present... | Bishop W. Keane Papers |
| 17084 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/33/1858 Letter from A Goold to Bishop W Kea... | Bishop W. Keane Papers |
| 17085 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/35/1858 Letter from Sister M Magdalen, Pres... | Bishop W. Keane Papers |
| 17086 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/36/1858 Letter from Sister M J McCarthy, Me... | Bishop W. Keane Papers |
| 17087 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/37/1858 Letter from Sister M J McCarthy, Me... | Bishop W. Keane Papers |
| 17088 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/38/1858 Letter from Sister M J McCarthy, Me... | Bishop W. Keane Papers |
| 17089 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/39/1858 Letter from Sister M Ann, Youghal, ... | Bishop W. Keane Papers |
| 17090 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.07/23/1858 Letter from Mrs B Cronin, Midleton,... | Bishop W. Keane Papers |
| 17091 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.07/28/1858 Letter from Sister M Magdalen, Pres... | Bishop W. Keane Papers |
| 17092 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06//41/1858 Letter for Sister M J Farrell, Mer... | Bishop W. Keane Papers |
| 17093 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/42/1858 Letter from Sister M Aloysius, Pres... | Bishop W. Keane Papers |
| 17094 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.05/190/1858 Letter of Revd E.J. Murphy, Banteer... | Bishop W. Keane Papers |
| 17095 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/44/1858 Letter from Sister M Aloysius, Pres... | Bishop W. Keane Papers |
| 17099 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/48/1858 Letter from Sister M Aloysisus, Pre... | Bishop W. Keane Papers |
| 17100 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/50/1858 Letter from Sister M J McCarthy, Me... | Bishop W. Keane Papers |
| 17101 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/51/1858 Letter from Sister M Magdalen, Pres... | Bishop W. Keane Papers |
| 17102 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.07/36/1858 Short character reference for Mary ... | Bishop W. Keane Papers |
| 17096 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.07/32/1858 Letter from Elise M Mansfield, Teig... | Bishop W. Keane Papers |
| 17097 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/46/1858 Letter from Sister M J McCarthy, Me... | Bishop W. Keane Papers |
| 17098 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/47/1858 Letter from Sister M Magdalen, Pres... | Bishop W. Keane Papers |
| 17103 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.07/37/1858 Letter from Eliza Holmes, Ladysbrid... | Bishop W. Keane Papers |
| 17104 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.07/38/1858 Character reference for Mary Holmes... | Bishop W. Keane Papers |
| 17105 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/52/1858 Letter from Sister M.A. Smith, Prese... | Bishop W. Keane Papers |
| 17106 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/54/1858 List of Sisters in Presentation Con... | Bishop W. Keane Papers |
| 17107 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/55/1858 List of Sisters in Loretto Convent,... | Bishop W. Keane Papers |
| 17109 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/57/1858 List of Sisters in Queenstown Mercy... | Bishop W. Keane Papers |
| 17110 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/58/1858 List of Sisters in Youghal Presenta... | Bishop W. Keane Papers |
| 17111 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/60/1858 List of Sisters in Presentation Con... | Bishop W. Keane Papers |
| 17112 | Cloyne Diocesan Archive (RC) | Box J | 1853
1858 | 1796.06/61/1858 List of Sisters in Mitchelstown Con... | Bishop W. Keane Papers |
| 17113 | Cloyne Diocesan Archive (RC) | Box J | 1818
1858 | 1796.06/62/1858 List of Sisters in Doneraile Conven... | Bishop W. Keane Papers |
| 17114 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/63/1858 List of Sisters in Mallow Convent, f... | Bishop W. Keane Papers |
| 17115 | Cloyne Diocesan Archive (RC) | Box J | 1858 | 1796.06/64/1858 List of Sisters in Convent of Our La... | Bishop W. Keane Papers |
| 19522 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.06/22/1858 Letter from Sister M Patrick, Prese... | Bishop W. Keane Papers |
| 19523 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.08/117/1858 Letter from Revd J. McCarthy, Mallo... | Bishop W. Keane Papers |
| 19524 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.05/1/1858 Letter from Revd. M Power, Killeagh,... | Bishop W. Keane Papers |
| 19525 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.06/1/1858 Letter from Sister M Aloysius, Prese... | Bishop W. Keane Papers |
| 19526 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.06/2/1858 Letter from Sister M Magdalen, Prese... | Bishop W. Keane Papers |
| 19527 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.08/2/1858 Letter and envelope from J Moore, Mi... | Bishop W. Keane Papers |
| 19528 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.08/3/1858 Letter from J Moore, Midleton, to Bi... | Bishop W. Keane Papers |
| 19529 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.08/4/1858 Letter from the Executors of Mrs McS... | Bishop W. Keane Papers |
| 19531 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.06/3/1858 Letter from Sister M J McCarthy, Mer... | Bishop W. Keane Papers |
| 19532 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.06/4/1858 Letter from Sister M Patrick, Presen... | Bishop W. Keane Papers |
| 19533 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.06/5/1858 Letter from Sister M Joseph, Mercy, ... | Bishop W. Keane Papers |
| 19534 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.06/10/1858 Letter from Sister M Magdalen, Pres... | Bishop W. Keane Papers |
| 19535 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.04/6/1858 Letter from Bishop P Leahy, Thurles,... | Bishop W. Keane Papers |
| 19536 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.05/32/1858 Letter from Revd. T Murphy, Youghal... | Bishop W. Keane Papers |
| 19537 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.06/12/1858 Letter and envelope from Sister M X... | Bishop W. Keane Papers |
| 19538 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.04/8/1858 Letter from Bishop J. Alemarry, San F... | Bishop W. Keane Papers |
| 19539 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.06/14/1858 Letter form Sister M Aloysius, Pres... | Bishop W. Keane Papers |
| 19540 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.06/15/1858 Letter from Sister M Aloysius, Pres... | Bishop W. Keane Papers |
| 19541 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.06/16/1858 Letter from Sister M A Smith, Yough... | Bishop W. Keane Papers |
| 19542 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.08/6/1858 Letter from W H Mugford, Royal Commi... | Bishop W. Keane Papers |
| 19543 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.08/7/1858 Letter from Joseph Minchin, Fermoy B... | Bishop W. Keane Papers |
| 19544 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.04/13/1858 Letter and envelope from Bishop Cul... | Bishop W. Keane Papers |
| 19545 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.04/18/1858 Letter from Sister M Magdalen, Pres... | Bishop W. Keane Papers |
| 19546 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.06/19/1858 Letter from Sister M Joseph, Mercy,... | Bishop W. Keane Papers |
| 19547 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.06/20/1858 Letter from Sister M Aloysius, Pres... | Bishop W. Keane Papers |
| 19548 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.07/11/1858 Letter from Alicia Smyth, Dublin, t... | Bishop W. Keane Papers |
| 19549 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.05/88/1858 Letter from Revd M. Kennifeck, Rathc... | Bishop W. Keane Papers |
| 19550 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.05/89/1858 Letter from Revd D. O'Leary, Chu... | Bishop W. Keane Papers |
| 19551 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.05/90/1858 Letter from Revd. T England, Yougha... | Bishop W. Keane Papers |
| 19552 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.05/91/1858 Letter from Revd. T Leader, Dungorn... | Bishop W. Keane Papers |
| 19553 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.05/94/1858 Letter from Revd. T Murphy, Youghal... | Bishop W. Keane Papers |
| 19554 | Cloyne Diocesan Archive (RC) | Box I | 1858 | 1796.08/11/1858 Draft letter from Bishop Keane, Fer... | Bishop W. Keane Papers |
| 19576 | Cloyne Diocesan Archive (RC) | Box K | 1858 | 1796.06/65/1858 Letter from Sister M.J. McCarthy, Me... | Bishop W. Keane Papers |
| 19577 | Cloyne Diocesan Archive (RC) | Box K | 1858 | 1796.06/67/1858 Letter from M.A. Tuite, Presentation... | Bishop W. Keane Papers |
| 19578 | Cloyne Diocesan Archive (RC) | Box K | 1858 | 1796.06/68/1858 Letter from Sister M.J. McCarthy, Me... | Bishop W. Keane Papers |
| 19579 | Cloyne Diocesan Archive (RC) | Box K | 1858 | 1796.06/69/1858 Letter from M.A. Smith, Presentation... | Bishop W. Keane Papers |
| 19580 | Cloyne Diocesan Archive (RC) | Box K | 1858 | 1796.05/242/1858 Letter from Revd M. Kennifeck, Rath... | Bishop W. Keane Papers |
| 19582 | Cloyne Diocesan Archive (RC) | Box K | 1858 | 1796.07/47/1858 Letter from Miss K.M. Clarke, Skiber... | Bishop W. Keane Papers |
| 19581 | Cloyne Diocesan Archive (RC) | Box K | 1858 | 1796.08/31/1858 Letter from T. Foley, Estate Office,... | Bishop W. Keane Papers |
| 19583 | Cloyne Diocesan Archive (RC) | Box K | 1858 | 1796.07/48/1858 Letter from Miss K.M. Clarke, Skiber... | Bishop W. Keane Papers |
| 19584 | Cloyne Diocesan Archive (RC) | Box K | 1858 | 1796.07/52/1858 Letter from Miss K.M. Clarke, Skiber... | Bishop W. Keane Papers |
| 19585 | Cloyne Diocesan Archive (RC) | Box K | 1858 | 1796.05/295/1858 Letter from Revd J. Cullinan, Queen... | Bishop W. Keane Papers |
| 19586 | Cloyne Diocesan Archive (RC) | Box K | 1858 | 1796.08/33/1858 Letter from T. Foley, Lismore, to Re... | Bishop W. Keane Papers |
| 19587 | Cloyne Diocesan Archive (RC) | Box K | 1858 | 1796.06/77/1858 Letter from M.A. Smith, Presentation... | Bishop W. Keane Papers |
| 19588 | Cloyne Diocesan Archive (RC) | Box K | 1858 | 1796.06/53/1858 Letter from Mary Barry, Clarence Ter... | Bishop W. Keane Papers |
| 19589 | Cloyne Diocesan Archive (RC) | Box K | 1858 | 1796.05/304/1858 Letter, Revd J. Cullinan, Queenstow... | Bishop W. Keane Papers |
| 19590 | Cloyne Diocesan Archive (RC) | Box K | 1858 | 1796.05/315/1858 Letter, Revd M. O'Brien, Mitche... | Bishop W. Keane Papers |
| 19591 | Cloyne Diocesan Archive (RC) | Box K | 1858 | 1796.06/78/1858 Letter from Sister M.J. McCarthy, Me... | Bishop W. Keane Papers |
| 19592 | Cloyne Diocesan Archive (RC) | Box K | 1858 | 1796.05/327/1858 Letter from Revd J. O'Neill, Buttev... | Bishop W. Keane Papers |
| 19593 | Cloyne Diocesan Archive (RC) | Box K | 1858 | 1796.06/79/1858 Letter from M. Clare Hennessy, Prese... | Bishop W. Keane Papers |
| 19594 | Cloyne Diocesan Archive (RC) | Box K | 1858 | 1796.05/33/1858 Letter from Revd P. Burton, Castleto... | Bishop W. Keane Papers |
| 19595 | Cloyne Diocesan Archive (RC) | Box K | 1858 | 1796.06/80/1858 Letter from M.A. Smith, Presentation... | Bishop W. Keane Papers |
| 19596 | Cloyne Diocesan Archive (RC) | Box K | 1858 | 1796.05/337/1858 Letter from Revd J. Fitzpatrick, Mi... | Bishop W. Keane Papers |
| 19597 | Cloyne Diocesan Archive (RC) | Box K | 1858 | 1796.05/342 1858 Letter from Revd J. Fitzpatrick, Mi... | Bishop W. Keane Papers |
| 19598 | Cloyne Diocesan Archive (RC) | Box K | 1858 | 1796.06/82/1858 Manuscript of General Regulations fo... | Bishop W. Keane Papers |
| 13167 | Cork City and County Archives | U223 | 1858-1898 | School Inspector's Report Book for Kanturk Natio... | |
| 22986 | Cork City and County Archives | U140/Class E/ | 1858 | Day66/32 Manuscript notes on the 'Industrious Bl... | Dowden Papers |
| 7573 | Down County Museum | DB496 | 1858 | Booklet, given to C. Hamilton by the artist, the Hon... | |
| 5079 | Irish Architectural Archive | 97/84/Box 26 | 1736-1858 | Documents, mainly leases, referring to lands at Leix... | Castletown Papers |
| 14451 | Kildare Local Studies, Genealogy and Archives Department | | 1858-1864 | Treasurer's Query Book:1. Spring 18582. Spring 1... | Kildare Grand Jury Records |
| 3344 | Kilkenny Local Studies Department | BG49/B | 1858-1925 | Outward Letter Books:1. December 1858-February 18662... | Callan Poor Law Union |
| 20938 | King's Hospital School | 17-32 | 1858-1864 | 23 House Committee Book, 1858 - 1864. | King's Hospital Records |
| 20949 | King's Hospital School | 33-48 | 1858-1859 | 34 Committee & Board Agenda, 1858 - 1859. | King's Hospital Records |
| 20995 | King's Hospital School | 65-82 | 1858-1868 | 79 Annual Accounts, 1858 - 1868. | King's Hospital Records |
| 21028 | King's Hospital School | 100-115 | 1858-1874 | 104 Journal, 1858 - 1874. | King's Hospital Records |
| 21029 | King's Hospital School | 100-115 | 1838-1858 | 103 Day Accounts Book, 1838 - 1858. | King's Hospital Records |
| 21046 | King's Hospital School | 116-130 | 1858-1874 | 128 Cash Book, 1858 - 1874. | King's Hospital Records |
| 21068 | King's Hospital School | 145-160 | 1858-1905 | 160 Copies of accounts furnished to Erasmus Smith Bo... | King's Hospital Records |
| 21137 | King's Hospital School | 196-215 | 1843-1858 | 207 Letter Book, 1843 - 1858. | King's Hospital Records |
| 21138 | King's Hospital School | 196-215 | 1858-1874 | 208 Letter Book, 1858 - 1874. | King's Hospital Records |
| 1668 | Leitrim Local Studies Department | BG122/AA/ | 1843-1844
1848-1849
1851-1858
1863-1864 | Rough Minute Books:1 - July 1843 - August 18442 - De... | Mohill Poor Law Union |
| 13164 | Limerick Museum | AQNO (1996.1492) | 1858 | Rental book of Westropp Estate 1858, 39 numbered pag... | |
| 14146 | Louth County Archives | | 1858-1867 | Rental Books for Sir Cavendish Foster, 1858-1867, 20... | |
| 20186 | Meath Local Studies and Family History Department | Box G/ | 1858 | 7 Will of Harriet Magenis, Bath, 1858. | Mountainstown Documents |
| 20250 | Meath Local Studies and Family History Department | Box H/ | 1861-1858 | 10 Two receipts, 1861-1858. | Mountainstown Documents |
| 21535 | Monaghan County Museum | | 1858 | AC1-6 Photocopied letter, 6 January 1858. Josephine ... | Moorehead Letters |
| 21536 | Monaghan County Museum | | 1858 | AD1-3 Photocopied letter and envelope, 4 October 185... | Moorehead Letters |
| 21583 | Monaghan County Museum | | 1858 | 1988:96 a-c contains two letters, Sara Storey to Mar... | Moorehead Letters |
| 550 | National Archives of Ireland | BG/137/ | 1839-1858 | Rathdown Poor Law Union Minute Books:A1 September 18... | Rathdown Poor Law Union and Rural District Council |
| 4011 | National Archives of Ireland | 1050/5 | 1858-1868 | Minute Books of the Boardroom Meetings of the Truste... | Molyneux Home for the Blind |
| 4832 | National Archives of Ireland | 1190/1 | 1858-1895 | Miscellaneous items marked John Sweetman containing:... | Sweetman Correspondence |
| 8974 | National Archives of Ireland | | 1858 | Incumbered Estates and Landed Estates Courts, Sales,... | Incumbered estates/Landed Estates Court |
| 15541 | National Archives of Ireland | 999/149/24 | 1858 | Settlement on the marriage of John Roberts Mulcahy, ... | Small Private Accessions |
| 1538 | National Library of Ireland | Ms2748 | 1717-1858 | Photocopies of various wills and marriage settlement... | |
| 1570 | National Library of Ireland | Mss3547-3548 | 1858-1865 | Letters of George S Roden of Newgrove, Kells, mainly... | |
| 1908 | National Library of Ireland | Ms3935 | 1858-1866 | Minute book of the Committee of the New Molyneaux As... | |
| 1974 | National Library of Ireland | Ms5203 | 1631-1787, 1858 | Copy of the records of the Franciscan Convent of Mee... | |
| 2489 | National Library of Ireland | Ms12143 | 1858-1865 | Lady's Account Book [? of a member of the Otway fami... | Otway Papers |
| 6902 | National Library of Ireland | Ms18895 | 1854-1858 | Letters to [Louisa?] Macnamara, Ennistymon, County C... | Stacpoole Kenny Papers |
| 9067 | National Library of Ireland | Ms14082 | 1827-1858 | Account Book belonging to Edward Symes Bayly, mostly... | |
| 9084 | National Library of Ireland | Ms14277 | 1858-1865 | Lady's personal Account Book concerning dress-making... | |
| 9090 | National Library of Ireland | Ms14315 | 1858-1859 | Rentals and accounts, estate of Mrs Sarah Roberts, C... | |
| 9147 | National Library of Ireland | Mss14860-14863 | c1858 | Notebooks in French compiled by Hannah Jane Foster, ... | Inchiquin Papers |
| 9149 | National Library of Ireland | Ms14865 | 1858 | Notes on the reigns of Louis XIV and Louis XV by Han... | Inchiquin Papers |
| 9158 | National Library of Ireland | Ms15007 | 1846-1858 | Two letters of Sergeant G Begly, Corfu, 1846 and Luc... | |
| 9194 | National Library of Ireland | Ms15309 | 1819-1858 | Eleven letters of Lord Monteagle, 1819; 1838-1858, i... | |
| 9560 | National Library of Ireland | Ms29770(112) | 1858 | Mortgage and convenant to secure £4,000 from C H D... | Doyne Papers |
| 10725 | National Library of Ireland | Ms19718 | 1852-1858 | Account Book of the Marquis of Drogheda and Earl of ... | |
| 10889 | National Library of Ireland | Ms21607 | [c1855-1858] | Letter from Lord Carlisle, the Lord Lieutenant, to M... | Hodson Papers |
| 11085 | National Library of Ireland | Ms19466 | 1858-1899 | Rathmines School Roll, 1858-1899, printed in Dublin ... | |
| 11596 | National Library of Ireland | Ms12379 | 1858 | Castlebar Poor Law Union Minute Book, 13 March 1858-... | |
| 11611 | National Library of Ireland | Ms12344 | 1857-1858 | Belmullet Poor Law Union Minute Book, 19 September 1... | |
| 11612 | National Library of Ireland | Ms12345 | 1858-1859 | Belmullet Poor Law Union Minute Book, 13 November 18... | |
| 11623 | National Library of Ireland | Ms12220 | 1857-1858 | Ballina Poor Law Union Minute Book, 1 August 1857-30... | |
| 19085 | Newry City Library | Q41.65.8 | 1536-1858
1911-1912 | 14 volumes of bound, typescript and handwritten pape... | The Crossle Papers |
| 4805 | Newtown School, Waterford | School Safe/11 | 1858-1866 | Sub-Committee Reports, 1858-1866. | |
| 5435 | Newtown School, Waterford | AB/17 | 1858 | Solicitors' Costs, 1858. | |
| 11836 | OPW-Maynooth University Archive and Research Centre (OMARC) | Box 2 | 1858-1996 | Religion & Church: Additions Box 2Includes: Sund... | Airfield Archive |
| 11835 | OPW-Maynooth University Archive and Research Centre (OMARC) | Box 1 | 1858-1996 | Religion and Church Box 1Includes: Material relating... | Airfield Archive |
| 6472 | Public Record Office of Northern Ireland | D/1118/13/72 | 1858 | Agreement for separation of John Robinson of Derryor... | Lane and Boyle Papers |
| 6609 | Public Record Office of Northern Ireland | D/1729 | 1858-1896 | This collection of 65 letters contains correspondenc... | |
| 6643 | Public Record Office of Northern Ireland | D/1804 | 1858 | Reconveyance of town and lands of Gorfad, County Lon... | |
| 6710 | Public Record Office of Northern Ireland | D/1950 | 1666-1858 | 41 documents comprising of correspondence of the Bla... | |
| 7422 | Public Record Office of Northern Ireland | D/3997 | 1858-1960 | c200 documents and 2 volumes of business and persona... | |
| 7145 | Public Record Office of Northern Ireland | D/2951 | 1858-1973 | Ulster Liberal Party papers, 1858-1973. This collec... | Ulster Liberal Party Papers |
| 7583 | Public Record Office of Northern Ireland | DIO/1/ | 1833-1858 | DIO/1/25A/7 Letter from Mrs Nancy Faloon, Cushendun,... | Diocesan Records |
| 7877 | Public Record Office of Northern Ireland | T/1118 | 1678
1680-1858
1853 | Copies of genealogical notes on the Irvine family, 1... | |
| 8453 | Public Record Office of Northern Ireland | T/2728/1 | 1821-1858 | Copy of the Sunday register for the parish of Ardstr... | |
| 7580 | Public Record Office of Northern Ireland | DI10/ | 1833-1858 | Copies of the papers of William Reeves, Church of Ir... | Church of Ireland Records |
| 7996 | Public Record Office of Northern Ireland | T/1446/1-2 | 1858-1871 | 1st Saintfield [?Presbyterian] Church, County Down: ... | |
| 8073 | Public Record Office of Northern Ireland | T/1664/ | 1845-1858 | An index to this collection of c70 documents is avai... | |
| 8104 | Public Record Office of Northern Ireland | T/1756 | 1858-1909 | Extract from the 1841 census concerning the Davison ... | |
| 8128 | Public Record Office of Northern Ireland | T/1873/4-7 | 1858-1859 | Copies of 4 letters from J C Boyd, Royal School, Por... | |
| 8465 | Public Record Office of Northern Ireland | T/2752/ | c.1858-1866 | T/2752/4 A copy of a subscription list towards the p... | |
| 8475 | Public Record Office of Northern Ireland | T/2772/ | 1855-1858 | This collection of papers has been copied from the o... | Beresford Papers |
| 8679 | Public Record Office of Northern Ireland | T/748/1 | 1671-1858 | Genealogical notes of the Andrews, Murray, McMurray,... | |
| 453 | Religious Society of Friends in Ireland Historical Library | Portfolio 1F | 1845-1858 | Dublin Monthly meetings, miscellaneous records 1845,... | Handlists/Portfolio |
| 1287 | Religious Society of Friends in Ireland Historical Library | | 1858 | Art: Hanna Maria Wigham, about 1858, small unframed ... | Museum Collection |
| 3565 | Religious Society of Friends in Ireland Historical Library | LGM/4/1/Reel 29A | 1834-1858 | Ministers' and Elders' Minutes, Lurgan Monthly Meeti... | |
| 22374 | Religious Society of Friends, Cork | | 1858 | Women's Preparative Monthly Meeting, Cork, Minute Bo... | |
| 100 | Roscommon Local Studies and Archives | | 1858-1910 | Minute Books (Digitised):Roscommon Town Commissioner... | Roscommon Town Commissioners |
| 4122 | Royal Irish Academy | 12/S/35-36 | 1788-1858 | Deeds, etc, of the Sandford Estate, Castlerea: Loan ... | |
| 25103 | Royal Irish Academy | 24/O/35-37a-c | 1857-1858 | 24/0/37c The Punch Pocket Book, Diary and Memoranda ... | G.H. Kinahan |
| 826 | Royal Irish Academy of Music | 1120/7 | 1858-1929 | Day Books, 1858 - 1929, contain information on finan... | |
| 24932 | Royal Irish Academy of Music | | 1858-1859
1861 | 2: 20 April 1858 - 11 March 1861, relating to commit... | |
| 24933 | Royal Irish Academy of Music | | 1855-1858 | 1: 29 December 1855, 8 February 1856 - 13 April 1858... | |
| 24320 | Tipperary County Archives | | 1850-1858 | Minute Book, General Committee Clonmel Corporation: ... | Clonmel Corporation |
| 24325 | Tipperary County Archives | | 1858-1925 | Envelope entitled 'Wills, Assignments, Declarati... | Clonmel Corporation |
| 13166 | Tipperary Museum of Hidden History | AQNO1995.509 | 1858 | Book, rent accounts for Viscount Lismore's estate, T... | |
| 10121 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs102471/1/1-17 | 1846
1853
1858
1900 | Correspondence of female members of the Wynne family... | Wynne Family Papers |
| 11137 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs5027-5031 | 1858-1936 | Residual correspondence of Florence Vere O'Brien, 18... | O'Brien Family |
| 11202 | Trinity College Dublin, Manuscripts and Archives Department | V/121/A | 1858-1865 | Rentals of the Kiltennel Estate, 1858-1865. | Courtown Papers |
| 11203 | Trinity College Dublin, Manuscripts and Archives Department | V/122/A | 1858-1865 | Rentals of County Carlow Estate, 1858-1865. | Courtown Papers |
| 11205 | Trinity College Dublin, Manuscripts and Archives Department | V/124/A | 1858-1865 | Rentals of Medophall and Ballybeg Estate, 1858-1865. | Courtown Papers |
| 11263 | Trinity College Dublin, Manuscripts and Archives Department | TCDMss7762-7772 | 1858-1859 | Letters from Mary Ward, nee King (1827-1889), artist... | Hamilton Papers |
| 11540 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs873 | 1797-1858 | Letters to and from Mary Ann McCracken, 1797-1858, i... | Madden Papers |
| 3634 | UCC Special Collections & Archives | U56 | 1829-1858 | Manuscript book of recipes, cures and household hint... | |
| 6861 | UCC Special Collections & Archives | BL/EP/G 593-594 | 1858 | Letter from Mrs Mary Grehan, Wogan's Shop, to he... | |
| 24108 | Union Theological College | | 1858 | Alex McGill, 'The present age of women' (Oxford, Ohi... | Union Theological College Pamphlet Collection |
| 13161 | University of Galway Archives | P6 | 1856-1858 | Diary of a Man of Leisure. Diary of [ ], formerl... | |
| 18399 | University of Galway Archives | LE15 | 1804-1858 | A chronologically arranged list of five deeds relati... | Kelly and D'arcy Deeds |
| 5887 | Waterford City Archives | | 1856-1858 | Court of Conscience records, 1856 - 1858. At back of... | Town Clerk Records |
| 19188 | Westmeath County Archives Department | | 1857-1858 | Mullingar Poor Law Union daily diet book for healthy... | Mullingar Poor Law Union |
| 19189 | Westmeath County Archives Department | | 1858-1859
1868-1869 | Mullingar Poor Law Union Porter's Books: [includ... | Mullingar Poor Law Union |
| 5881 | Wicklow Library and Archives | | 1858-1907 | Settlement of Rental of Glendalough Estate, 29 Septe... | Box File/Barton |