| 14280 | Alexandra College | | 1890 | File relating to Architects Plans, etc., 1890. | |
| 14312 | Alexandra College | | 1880-1890 | File on Louisa Digges La Touche, 1880-1890, includes... | |
| 14315 | Alexandra College | | 1890-1930 | Material relating to Student Day Addresses, 1890-193... | |
| 14317 | Alexandra College | | 1890-1899
1904 | 1 book, Margaret Stokes Memorial Accounts, 1904, wit... | |
| 16201 | Birr Castle Archives | A-W | 1908-1916
1890
1931 | H/115-116: Letters to and from estate agents, includ... | The Rosse Papers |
| 14571 | Cashel and Emly Diocesan Archives (RC) | Special List 170A | 1890 | 1890:28 - Letter from Dr Firby to Croke. The pope ha... | Papers of Dr Croke |
| 16801 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1890-1905 | Cashel and Emly Diocesan Council Minute Book, 1890-1... | Bolton Library Archive |
| 16803 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1890-1916 | Lismore Estate:Rental of Viscount Lismore's Esta... | Bolton Library Archive |
| 16820 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1878-1882
1885-1890
1895-1901 | Preachers' Books, Ballintemple:1895-19011885-189... | Bolton Library Archive |
| 4436 | Clare County Archives | Box 51 | c1890 | Includes a photograph of the Revd. Phillip O'Dwy... | |
| 14385 | Clare County Archives | | 1890-1910 | MacNamara Collection:The MacNamara Collection includ... | Clare County Library Photographic Archive |
| 20695 | Clare County Archives | | 1890-1897 | Ennis Town Commissioners, Minute Books,1890-1897. | Ennis Urban District Council |
| 20685 | Clare County Archives | | 1890-1935 | Urban District Council, Sanitary officers report boo... | Kilrush Urban District Council |
| 20697 | Clare County Archives | | 1857
1890-1903 | One Reel of Microfilm:Rent Ledger by tenant for Burt... | |
| 12599 | Cork City and County Archives | U283 | 1890-1900 | Two Victorian photograph albums.One contains Cork MP... | |
| 13234 | Cork City and County Archives | Accession 92/16 | 1890 | Photograph of Fanny Lundy and of Mary Mahony at a ba... | |
| 13235 | Cork City and County Archives | U221 | 1890-1910 | St Vincent's School Cork, Roll Books, 1890-1910,... | |
| 14446 | Cork City and County Archives | U399 | 1890-1910 | Mainly streetscapes of Cork City, particularly of Pa... | Wilkie Photographic Collection |
| 11950 | Cottage Home Child and Family Services | | c.1890-1980 | Cupboard 1 Top Shelf:Album of Cuttings about the Cot... | |
| 24061 | County Museum, Dundalk | Lot 56 | 1890 | Family sitting at St Brigit's shrine, Faughart, poss... | Photographs |
| 7564 | Down County Museum | DB181 | 1890s | Bill from John Forrester, Stationer, Londonderry to ... | |
| 18579 | Dublin Diocesan Archives (RC) | AB 6 (Pamphlets) | 1889-1890 | The pamphlet collection includes:First Report of the... | Walsh Papers |
| 3122 | Dún Laoghaire-Rathdown County Council | LA1/ | 1890-1930 | Minutes of irregular meeting of the Artisan's Dw... | Blackrock |
| 12826 | Elphin Diocesan Archives (RC) | | 1859-1861
1890 | Box marked: Section III C. Workhouses/ Reforms Prin... | |
| 19919 | Erasmus Smith Schools Archives | | 1890-1960 | Printed Accounts of the Erasmus Smith Trust and of i... | Erasmus Smith Archives |
| 23134 | Fermanagh County Museum, Enniskillen Castle | | 1890 | Collection of c.2070 photographs mainly of the Ferma... | |
| 1443 | Fingal County Archive | GJ/4/41-GJ/4/59 | 1871-1890 | Grand Jury Presentments:GJ/4/41 1871 Easter Presentm... | County of Dublin Grand Jury |
| 4798 | Irish Jesuit Archives | ADMIN/1 | 1890-1956 | The letters contained in this series are indexed. Th... | Letters: Generalate to Ireland (1806 to 1959) |
| 22154 | Irish Jesuit Archives | J27/ | 1890-1894 | 96 1890-1894. A file of letters from Margaret Maitla... | Papers of Fr Matthew Russell, SJ (1834 - 1912) |
| 22168 | Irish Jesuit Archives | J27/ | 1887-1890 | 144 18 October 1887-[ ] 1890. A file of letters from... | Papers of Fr Matthew Russell, SJ (1834 - 1912) |
| 22169 | Irish Jesuit Archives | J27/ | 1890-1893 | 145 A file of letters from Henry Wynne (husband of F... | Papers of Fr Matthew Russell, SJ (1834 - 1912) |
| 22191 | Irish Jesuit Archives | N4/ | 1890 | 25 13 November 1890. Letter of condolence to Mrs O'H... | Papers of Judge John O'Hagan (1822-1890) |
| 22192 | Irish Jesuit Archives | N4/ | 1890 | 26 Letter of condolence to Mrs O'Hagan, from Laurenc... | Papers of Judge John O'Hagan (1822-1890) |
| 22193 | Irish Jesuit Archives | N4/ | 1890 | 28 Letter of condolence to Mrs O'Hagan from Patrick ... | Papers of Judge John O'Hagan (1822-1890) |
| 22194 | Irish Jesuit Archives | N4/ | 1890-1894 | Death of O'Hagan, 1890-1894: 29 9 December 1890. Let... | Papers of Judge John O'Hagan (1822-1890) |
| 22253 | Irish Jesuit Archives | J27/ | 1890 | 4 Part of a letter from [ ], Oliver House, Toledo, O... | Papers of Fr Matthew Russell, SJ (1834 - 1912) |
| 22256 | Irish Jesuit Archives | J27/ | 1890 | 7 10 January 1890. Letter from M.E.B. to Fr Russell ... | Papers of Fr Matthew Russell, SJ (1834 - 1912) |
| 2255 | Irish Theatre Archive | ITA/140 | c.1890-1910 | Picture postcards of actors and actresses. There are... | |
| 21762 | Kerry Diocesan Archives (RC) | C3/12 | 1890 | Bishop Kirby nuns and Castletownbere, 1890. | John Coffey, 1889-1904 |
| 21768 | Kerry Diocesan Archives (RC) | C9/36-42 | 1890
1894 | Revd Patrick Barton, accepts the Mines Parish, 1894,... | John Coffey, 1889-1904 |
| 21775 | Kerry Diocesan Archives (RC) | C31/1-3 | 1884-1890 | Account Book, 1884-1890. | John Coffey, 1889-1904 |
| 21782 | Kerry Diocesan Archives (RC) | C110/1-43 | 1890-1902 | Fr Mangan Sneem, Sister Xaviour Reynolds, Sneem Conv... | John Coffey, 1889-1904 |
| 21808 | Kerry Diocesan Archives (RC) | M6 | 1890-1905 | Convents of the Diocese in 1890-1905. | Miscellaneous |
| 21831 | Kerry Local Studies and Archives Department | | 1874-1875
1884
1890-1900 | Rentals of the Earl of Listowel Estates, County Kerr... | O'Connell Solicitors |
| 20812 | Kildare Local Studies, Genealogy and Archives Department | Miscellaneous Records | 1888-1890 | Register of Admission and Discharge, 13 October 1888... | Athy Poor Law Union |
| 20816 | Kildare Local Studies, Genealogy and Archives Department | Miscellaneous Records | 1890-1891 | Register of Admission and Discharge, 22 February 189... | Athy Poor Law Union |
| 13233 | Kilmainham Gaol Museum | 15LG-1C26-21 | 1890 | Marriage certificate of James Connolly and Lily Reyn... | Labour |
| 1793 | King's Hospital School | | 1890-1970 | Mercer School Photographs: Collection of c.500 photo... | Mercer School Photographs |
| 20955 | King's Hospital School | 33-48 | 1890-1905 | 40 Board Agenda, 1890 - 1905. | King's Hospital Records |
| 21052 | King's Hospital School | 131-144 | 1890-1908 | 142 Accounts for payment, 1890 - 1908. | King's Hospital Records |
| 21195 | King's Hospital School | 254-281 | 1890-1940
1960 | 263 Admission for 1890 - 1940. Numbered 1-909 and ap... | King's Hospital Records |
| 2132 | Leitrim Local Studies Department | BG177/AG/ | 1886-1890 | Miscellaneous Minute Books:1 - Labourers Act Minute ... | Manorhamilton Poor Law Union |
| 22285 | Leitrim Local Studies Department | BG/CA/ | 1843-1890 | Accounts, General Ledgers:1 - General Ledgers, 1843-... | Carrick-on-Shannon Poor Law Union |
| 18816 | Limerick Archives | BG 110 | 1842-1848
1880-1883
1885-1890 | II. Rough Minute Books:BG/110/AA/1. 1 June 1842 - 26... | Limerick Poor Law Union |
| 13236 | Limerick Museum | AQNO (1985.068) | 1890s | Address, illuminated, to Thomas J O'Sullivan from th... | |
| 1079 | Loreto Archives | 2C3 | 1890-1913 | Correspondence relating to Manchester and Leek inclu... | Correspondence relating to Manchester and Leek |
| 5732 | Louth County Archives | 65-80 | 1890-1901 | Minute Books:65 June 1890 - December 189066 December... | Ardee Poor Law Union |
| 14548 | Mayo Local History Department | | 1869-1890 | Ballina Town Commissioners:Rate Books, 5 volumes, 18... | Ballina Urban District Council |
| 20276 | Meath Local Studies and Family History Department | FJC | 1890-1906 | Accounts Book, September 1890-July 1906. | F. and J. Clayton Company Records |
| 20252 | Meath Local Studies and Family History Department | Box H/ | 1890 | 12 Order fixing rent on Williams Estate Offaly, 1890... | Mountainstown Documents |
| 20254 | Meath Local Studies and Family History Department | Box H/ | c.1880-c.1890 | 14 19 documents regarding Williams Estate, County Of... | Mountainstown Documents |
| 20306 | Meath Local Studies and Family History Department | Box A/ | 1890-1896 | 11 Receipts for salary paid to Revd I.A. Jennings, R... | Mountainstown Documents |
| 20596 | Meath Local Studies and Family History Department | Box E/ | 1890-1891 | 33 Mountainstown account 13 October 1890-3 March 189... | Mountainstown Documents |
| 22809 | Methodist Historical Society of Ireland | | 1890 | Black and white framed group photograph, including w... | |
| 22887 | Methodist Historical Society of Ireland | | 1885-1889
1890-1894 | Methodist Home Mission and Contingent Fund of the Ge... | |
| 1852 | Monaghan County Museum | 1976:86 | 1871-1890 | Ballybay Town Commissioners Rate Book, 1871-1890. | |
| 21579 | Monaghan County Museum | | 1859-1890 | Rental, Hollywood Estate (Crawford), 1859-1890 | |
| 3966 | National Archives of Ireland | CSO/ICR24 | 1890-1892 | Miscellaneous: Register of Pending Appeals, 1890-189... | Irish Crimes Records |
| 3335 | National Archives of Ireland | BG111/RCJ/ | 1890-1920 | Lismore Rural District Council, Statement of Salarie... | Lismore Rural District Council |
| 4702 | National Archives of Ireland | ED/1 | 1832-1890 | Applications to the Commissioners for Grants, 1832-1... | Department of Education/Commissioners of National Education |
| 10010 | National Archives of Ireland | | 1890 | Crown Books at Assizes, County Mayo:Summer Assizes, ... | Crown and Peace Office, County Mayo |
| 14563 | National Archives of Ireland | | 1890-1998 | Printed Annual Reports, Stanhope/Kingstown Mission: ... | Miss Carr's Children's Home |
| 15522 | National Archives of Ireland | 999/132/17 | 1890 | Will of Bridget McDonald, Mullincar, Co. Wicklow. 21... | Small Private Accessions |
| 1700 | National Library of Ireland | Ms13492 | c1890-1930 | Undated letters to T P Gill, principal correspondent... | T.P. Gill Papers |
| 2031 | National Library of Ireland | Ms8349 | 1890-1905 | Miscellaneous letters which include letters from Lad... | Letters to members of the family of Lord Justice Fitzgerald |
| 2799 | National Library of Ireland | Ms24525 | c1890 | Title page of `French Irregular Verbs', marked Aine ... | Amy Mander Papers |
| 2800 | National Library of Ireland | Ms24527 | c1890 | Leaflet on 'The temperance question and women's suff... | Amy Mander Papers |
| 2801 | National Library of Ireland | Ms24529 | 1890 | Account of an industrial and technical exhibition of... | Amy Mander Papers |
| 3004 | National Library of Ireland | Mss9465-9466 | 1847-1890 | Two rentals of the estate of William Johnson, Drumke... | |
| 3040 | National Library of Ireland | Ms9932 | 1890-1918 | Newspaper cuttings and notes made by Alice Stopford ... | |
| 9034 | National Library of Ireland | Ms13810 | c1890-1910 | Letters to William Bulfin, correspondents include, M... | Bulfin Papers |
| 9116 | National Library of Ireland | Mss14695-14696 | 1890 | A diary of a tour in Eygpt, Palestine, Turkey and Gr... | Inchiquin Papers |
| 9466 | National Library of Ireland | Ms24955 | 1890-1899 | Receipts for tithe rent charge to Daniel and Mary Ry... | |
| 9698 | National Library of Ireland | Ms17827 | 1890-1904 | Letters from tenants and associated documents, relat... | |
| 10691 | National Library of Ireland | Ms17069 | 1890 | Xerox of one page rental of the estate of Miss Ellar... | |
| 11918 | National Library of Ireland | Ms12589-12593 | 1884-1890 | Swinford Poor Law Union Minute Books: Ms12,589 6 De... | Swinford Poor Law Union |
| 11957 | National Library of Ireland | Mss12594-12600 | 1890-1900 | Swinford Poor Law Union Minute Books: Ms12,594 6 De... | Swinford Poor Law Union |
| 12263 | National Library of Ireland | Mss12267-12280 | 1890-1899 | Ballina Poor Law Union Minute Books, June 1890-Decem... | Ballina Poor Law Union |
| 12264 | National Library of Ireland | Mss12521-12534 | 1890-1899 | Claremorris Poor Law Union Minute Books, December 18... | Claremorris Poor Law Union |
| 12274 | National Library of Ireland | Mss12257-12266 | 1880-1890 | Ballina Poor Law Union Minute Books, January 1880-Ju... | Ballina Poor Law Union |
| 12277 | National Library of Ireland | Mss12507-12520 | 1880-1890 | Claremorris Poor Law Union Minute Books, February 18... | Claremorris Poor Law Union |
| 12278 | National Library of Ireland | Mss12654-12669 | 1879-1890 | Westport Poor Law Union Minute Books, August 1879-Au... | Westport Poor Law Union |
| 11960 | National Library of Ireland | Mss12257-12266 | 1880-1890 | Ballina Poor Law Union Minute Books: Ms12,257 Janua... | Ballina Poor Law Union |
| 5452 | Newtown School, Waterford | BB/5-9 | 1811-1890 | Proceedings of the General Meeting of the Library Co... | |
| 20033 | Newtown School, Waterford | F1-16 | 1890 | F/2 Plan of Swimming Bath, 1890. | Quaker Papers |
| 11854 | OPW-Maynooth University Archive and Research Centre (OMARC) | Boxes 46-49 | 1890-1982 | Personal Correspondence, 1890-1982 Boxes 46-49Includ... | Airfield Archive |
| 21396 | Our Lady's Hospital, Cork | | 1850-1890 | Copies of a newspaper advertisements, 1850-1890, for... | |
| 21406 | Our Lady's Hospital, Cork | | 1890 | Male Case Book, 1890s. | |
| 2359 | Passionist Congregation | | 1890-1990 | Enrolment Register of members male and female, givin... | Mount Argus, Women's Confraternity |
| 16674 | Presentation Sisters Congregational Archives | DON1/84 | 1890 | Letters of Canon Sheehan to Mother Ita O'Connell... | Presentation Sisters South West Province - St Joseph's Convent, Doneraile |
| 6591 | Public Record Office of Northern Ireland | D/1688/7 | c1890 | A photograph of Mary Murray, c1890. | |
| 6657 | Public Record Office of Northern Ireland | D/1838 | 1600-1890 | Genealogy of the Black family, Belfast and Dublin, c... | |
| 6727 | Public Record Office of Northern Ireland | D/2066 | c.1890 | 1 photograph album of the Sands and Dickey family in... | |
| 6833 | Public Record Office of Northern Ireland | D/2456 | c.1851-c.1890 | Photographs of the Crawford family, c.1851-c.1890. | |
| 6343 | Public Record Office of Northern Ireland | D/3234 | 1890-1932 | 6 volumes of records of Allen and Turtle Limited, He... | |
| 6512 | Public Record Office of Northern Ireland | D/1334/1 | c.1890 | Photograph of a teachers' conference, Bangor, c.... | |
| 6529 | Public Record Office of Northern Ireland | D/1437/10-11 | 1879-1890 | Accounts of a hemstitching business run by ladies of... | Patrick Doyle Papers |
| 6530 | Public Record Office of Northern Ireland | D/1441/19 | c.1890 | Letter from an emigrant [?Robinson] at Chulahoma, No... | Hunter of Stewartstown Papers |
| 6840 | Public Record Office of Northern Ireland | D/3469/28 | c1890 | Pedigree of the Shaw and related families, County Do... | |
| 6841 | Public Record Office of Northern Ireland | D/3474/5/1-14 | 1883-c1890 | Collection of 14 references and testimonials relatin... | |
| 7115 | Public Record Office of Northern Ireland | D/2814 | c1890 | School exercise book prepared by Maggie Butler whils... | |
| 7198 | Public Record Office of Northern Ireland | D/3075/2 | 1890-1917 | Photograph album of the Stuart family, Knock, Belfas... | |
| 6603 | Public Record Office of Northern Ireland | D/1711 | c1890-1906 | c130 documents and 4 volumes including, for example:... | |
| 6604 | Public Record Office of Northern Ireland | D/1712 | c1890-1898 | This collection of 10 documents, c1890-1898, include... | |
| 6711 | Public Record Office of Northern Ireland | D/1952 | 1747-c.1890 | This collection of c.30 documents relates to the Car... | |
| 6747 | Public Record Office of Northern Ireland | D/2106 | c.1890 | Genealogical notes on the Mackemie family, formerly ... | Mackemie Papers |
| 6823 | Public Record Office of Northern Ireland | D/2422 | c.1890-1944 | This collection of papers relating to the Stewart fa... | |
| 7529 | Public Record Office of Northern Ireland | D/752/4 | 1890 | Valuation of jewellery, etc., of Mrs Susanna Macaule... | McCance Papers |
| 8145 | Public Record Office of Northern Ireland | T/1911/1 | c1890 | Professional photograph of Mr and Mrs Wilson, London... | |
| 8183 | Public Record Office of Northern Ireland | T/2009/1 | 1660-1890 | Pedigree of the Davidson family, Castlewellan, Count... | |
| 7011 | Public Record Office of Northern Ireland | D/2523 | c.1750-1890 | c.50 documents comprising of rentals and testamentar... | |
| 7067 | Public Record Office of Northern Ireland | D/2690 | 1890-1971 | 56 documents relating to Larne Weaving Company, 1890... | |
| 7212 | Public Record Office of Northern Ireland | D/3116 | 1887-1890 | Exercise book of Bella Eliza Beck kept during her ti... | |
| 7281 | Public Record Office of Northern Ireland | D/3575 | 1888-c.1890 | 5 letters to Miss Annie Morton, County Londonderry f... | |
| 7296 | Public Record Office of Northern Ireland | D/3618 | 1777-1890 | Printed material and correspondence of Vere Foster r... | Foster of Gylde Papers |
| 8413 | Public Record Office of Northern Ireland | T/2632/1-2 | 1066-1890 | 2 pedigrees of the Nevil of Holt family, 1066-1890. ... | |
| 7517 | Public Record Office of Northern Ireland | D/648/9 | 1890-1921 | Register of Girls' Friendly Society sponsored emigra... | |
| 7736 | Public Record Office of Northern Ireland | LGBD/2 | c.1890-c.1907 | Precedent book of Local Government Board, Dublin, re... | Local Government Board |
| 7798 | Public Record Office of Northern Ireland | MIC/615 | 1890-1909 | Diaries of Louisa, Countess of Antrim, lady in waiti... | |
| 7955 | Public Record Office of Northern Ireland | T/1320/1-4 | 1890-1891 | A copy of a letter relating to the genealogy of Cald... | |
| 7977 | Public Record Office of Northern Ireland | T/1389/ | c.1890-c.1922 | T/1389/1-2 2 genealogical notes relating to the Holm... | |
| 8027 | Public Record Office of Northern Ireland | T/1552 | 1890-1906 | Copies of 15 emigrant letters from William Quinn, Ne... | |
| 8134 | Public Record Office of Northern Ireland | T/1879 | 1890-c1900 | This collection includes, for example: Copies of pho... | |
| 8142 | Public Record Office of Northern Ireland | T/1903/1-2 | 1890-1907 | Copy of a letter from Marian Boyd, Philadelphia, Uni... | |
| 8149 | Public Record Office of Northern Ireland | T/1923/2A-2B | c1890-1962 | Photograph of Mr and Mrs Thomas Shaw, Saintfield, Co... | |
| 8160 | Public Record Office of Northern Ireland | T/1959/1-8 | c1890-c1900 | This collection of copies of c70 documents includes,... | |
| 8197 | Public Record Office of Northern Ireland | T/2037/ | c.1890 | T/2037/3A A photograph of Isaac Robinson and his god... | |
| 8225 | Public Record Office of Northern Ireland | T/2111/9/1 | 1781-1876
1890-1910 | 2 pages of genealogical notes on the Andrews family,... | |
| 8246 | Public Record Office of Northern Ireland | T/2171/1 | 1560-1890
1591-1911 | Genealogy of the Nicholson family, Bangor, County Do... | |
| 8474 | Public Record Office of Northern Ireland | T/2771/9 | c.1890 | Typescript genealogical notes on the related familie... | |
| 13860 | Queen's University Belfast Special Collections and Archives | MS17 | c1885-1890 | Series of 44 letters to Violet Martin, c1885-1890, f... | Somerville and Ross Collection |
| 771 | Religious Society of Friends in Ireland Historical Library | QMII/Z3 | 1753-1890 | Miscellaneous: Miscellaneous papers, mainly answers ... | Munster Quarterly Meeting |
| 872 | Religious Society of Friends in Ireland Historical Library | P438 | 1890 | Filing Cabinet 3 Seven members of Bewley Family on ... | Photographic Collections |
| 886 | Religious Society of Friends in Ireland Historical Library | P425 | 1890-1899 | Young Friends: Fifteen Young Friends on bicycles, c1... | Photographic Collections |
| 1281 | Religious Society of Friends in Ireland Historical Library | MMII/ | 1682-1890 | Removals:K1 Certificates of Removal to and from Dubl... | Dublin Monthly Meeting |
| 3869 | Religious Society of Friends in Ireland Historical Library | Strong Room Box 1 | 1686-1890 | Marriage Certificates: List of marriage certificates... | Deed Boxes, Misc., NewShelf, Hand Lists of: |
| 22384 | Religious Society of Friends, Cork | | 1834-1889
1890-1928
1775 | Munster Female Bounty Fund, established 1775, 2 volu... | |
| 23732 | Representative Church Body Library | MS607/ | 1890-1927 | Financial Records: 6/ Ladies' Private Accounts Books... | Records of the Mageough Home, Dublin |
| 22411 | Royal College of Physicians of Ireland | | 1878-1890
1891-1900 | Maternity Registers, 1891-1900. Patients Admission... | Sir Patrick Dun's Hospital |
| 22415 | Royal College of Physicians of Ireland | | 1883-1890
1938-1956 | Registers of Accidents: 1883-1890 1983-1956 (mixed s... | Sir Patrick Dun's Hospital |
| 830 | Royal Irish Academy of Music | 1120/11 | 1890-1948 | Registers, 1890- 1948, regarding subscribers to RIAM... | |
| 24966 | Royal Irish Academy of Music | 1120/11 | 1890-1901 | 1: 1890 - 1901, register of subscribers to RIAM arra... | |
| 22462 | Royal Victoria Hospital, Belfast | | 1871-1890 | Benn Ulster Ear, Eye and Throat Hospital, Clifton St... | |
| 13172 | Sligo Archives Service | S./R | 1861-1890 | Powellsboro National School, Roll Book, 1861-1890. | |
| 13862 | Sligo Archives Service | F.C./D.2/13 | 1890 | Account and rental of the estate of J.L. Brinkley in... | Brinkley Estate |
| 22679 | South Eastern Education and Library Board Local History Collection | | 1890 | 2 bound volumes of family photographs including nume... | Local Studies Collection |
| 22001 | St Brigid's Hospital, Ballinasloe | | 1890-1939 | Annual Reports of the Resident Medical Superintenden... | Ballinasloe District Lunatic Asylum |
| 22004 | St Brigid's Hospital, Ballinasloe | | 1890-1959 | Annual Loan Repayments, 1890-1959. | Ballinasloe District Lunatic Asylum |
| 22009 | St Brigid's Hospital, Ballinasloe | | 1846-1890 | Governor's Minute Book:Connaught District Lunati... | Ballinasloe District Lunatic Asylum |
| 22053 | St Dympna's Hospital, Carlow | IE DA SDH | 1864-1871
1882-1890 | Register of Cases of Successful Vaccination:1864-187... | St Dympna's Psychiatric Hospital, Carlow |
| 19800 | Tipperary Studies | | 1890 | Papers relating to the implementation of Labourers&#... | Roscrea Poor Law Union |
| 19822 | Tipperary Studies | | 1890-1891
1899-1907 | Personal Ledgers:1890-18911899-1907 | Thurles Poor Law Union |
| 19797 | Tipperary Studies | | 1839-1890 | Letters from the Poor Law Commissioners and Local Go... | Roscrea Poor Law Union |
| 22773 | Tower Museum, Derry-Londonderry | | 1890 | Colour print depicting a woman as 'Ireland' torn bet... | |
| 10329 | Trinity College Dublin, Manuscripts and Archives Department | TCDMss2472-2482 | 1890 | Letters from Emily Lawless to W.H. Lecky, c1890. | Lecky Papers |
| 10341 | Trinity College Dublin, Manuscripts and Archives Department | V/136/E | 1890-1897 | Rentals of the County Carlow Estate, 1890-1897. | Courtown Papers |
| 10464 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs6885 | 1878-1890 | Correspondence of Mrs Anne Deane and John Dillon, 18... | Dillon Papers |
| 10465 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs6886 | 1890-1893 | Correspondence of Mrs Anne Deane and John Dillon, 18... | Dillon Papers |
| 11192 | Trinity College Dublin, Manuscripts and Archives Department | TCDMss7762-7772 | 1768-1890 | Correspondence of the family of William Rowan Hamilt... | Hamilton-O'Regan Papers |
| 11671 | Trinity College Dublin, Manuscripts and Archives Department | TCDMss5225-5234 | 1761-1890 | Incorporated Society for Promoting Protestant School... | Incorporated Society for Promoting Protestant Schools in Ireland |
| 11686 | Trinity College Dublin, Manuscripts and Archives Department | TCDMss5582-5596 | 1801-1890 | Incorporated Society for Promoting Protestant School... | Incorporated Society for Promoting Protestant Schools in Ireland |
| 11941 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs10047/41 | 1881-1890 | Letters to R.P. Graves relating to his Life of Sir W... | Graves Papers |
| 9950 | UCC College Archives | | c1890s-1992 | The Aloys Flesichmann Collection, c1890s-1992, inclu... | Fleischmann Collection |
| 3685 | UCC Special Collections & Archives | U2/BJ | 1889-1890 | Letters from Sophie O'Brien to William O'Brien, Nove... | William O'Brien Papers |
| 3672 | UCC Special Collections & Archives | U2/BA/ | 1890-1891 | Letters of William O'Brien to Sophie O'Brien... | William O'Brien Papers |
| 2071 | UCD Archives | LA1 | c.1890-1979 | Section E includes material relating to the text of ... | Eoin MacNeill Papers |
| 5602 | UCD Archives | TU17 | 1890-1938 | Reports, rules and regulations of the Irish National... | Operatives Bakers |
| 12595 | Ulster Folk and Transport Museum | | 1890-1960 | Collections located in the Museum Library: William ... | Photographic Collections |
| 6225 | Ulster Museum, Belfast | | c1890-1930 | c20 volumes of personal and excursion diaries of the... | |
| 24181 | Union Theological College | RRB-2-15A | 1850-1890
1980 | J.T. Carson, 'The Rev. James Foster of Newmills,... | |
| 5548 | Waterford City Archives | C2/ | 1890-1900 | 15: Patrick Street, c1890. Women shopping in shawls.... | Photographic Collections |
| 5554 | Waterford City Archives | HWC/ | 1890-1908
1916 | Documentation concerning purchase of lands under the... | City Law Advisor relating to Housing of the Working Classes |
| 5970 | Waterford City Archives | HG4/ | 1880-1890 | 2: 1880 Manuscript Document titled list of leases to... | Records Relating to the Holy Ghost Hospital |
| 1137 | Waterford County Archives | | 1890-1970 | Box List: 1890 - 1905, Returns of Rents from Meat Ma... | Dungarvan Urban District Council |
| 11284 | Waterford County Archives | Box 8 | c.1890-c.1970 | Includes material relating to estate tenants, for ex... | Lismore Castle Papers |
| 11286 | Waterford County Archives | Box 10 | 1890
1938 | Material relating to Victor Christian William Cavend... | Lismore Castle Papers |