| 13266 | Armagh County Museum | 1985/4 | 1899 | Oil portrait of Harriette McCrum by H.R. Douglas, 18... | |
| 12776 | Armagh Diocesan Archive (RC) | | 1898
1901 | There is a detailed calendar of Letters of Most Rev.... | Cardinal Logue Archive |
| 16360 | Armagh Diocesan Archive (RC) | | 1898 | Letters of Cardinal Logue addressed to Most Reverend... | Cardinal Logue Archive |
| 16442 | Armagh Diocesan Archive (RC) | | 1898 | There is a detailed calendar of Letters of His Emine... | Cardinal Logue Archive |
| 16443 | Armagh Diocesan Archive (RC) | | 1898 | There is a detailed calendar of Letters of His Emine... | Cardinal Logue Archive |
| 16917 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1898 | A third envelope for Lismore Estate marked 'Acco... | Bolton Library Archive |
| 20764 | Cork Public Museum | AQNOL1970:44/ | 1899
1901 | 2 Routine matters, containing correspondence, notice... | |
| 16506 | Delany Archive | Box Bp/15 File PF/1898/ | 1898 | 04: 11 February 1898 SC Propaganda to Bishop Patrick... | Papers of Dr Patrick Foley, Bishop of Kildare & Leighlin |
| 20499 | Dublin City Library and Archive | | 1899
1908-1915 | Electoral Rolls Database: 1899, 1908-1915 | Dublin City Electoral Lists Database |
| 18521 | Dublin Diocesan Archives (RC) | AB6 (File 371/1-8) | 1899 | Manuscript annual report of the Mission of the Littl... | Walsh Papers |
| 13257 | Kilmainham Gaol Museum | 10LR-1B11-19 | 1898 | A photocopy of a censored letter to a prisoner J.464... | Home Rule |
| 13264 | Kilmainham Gaol Museum | 10LG-1C35-7 | 1899 | Memorandum of tenancy agreement between Mrs Henry Ll... | Home Rule |
| 12560 | Limerick Museum | AQNO (0000.3563) | 1898 | Photograph. Glass slide. Limerick City. Titled: Dutc... | |
| 12561 | Limerick Museum | AQNO (0000.3564.2) | 1898 | Photograph. Glass slide. Limerick City. Titled: View... | |
| 12562 | Limerick Museum | AQNO (0000.3570) | 1898 | Photograph. Glass slide. Limerick City. Titled: Old ... | |
| 13258 | Limerick Museum | AQNO (0000.4410) | 1898 | Photograph. Glass slide. Group of people, posed. Tit... | |
| 20055 | Little Company of Mary Sisters | LCM1 | 1898
1914 | 1/1/2 Copy foolscap volume of sixteen circular lette... | Mother Mary Potter, Foundress |
| 20153 | Meath Local Studies and Family History Department | Box C/ | 1898 | 11 Grange House Work Account, 1898. | Mountainstown Documents |
| 3936 | National Archives of Ireland | s20698 | 1899 | Conduct of the daughters of Mr McGillycuddy, Inland ... | Crime Branch Special Records |
| 4789 | National Archives of Ireland | | 1899 | Administration Papers: Secretary of the Board of Cus... | Customs and Excise |
| 8849 | National Archives of Ireland | VB/1/68 | 1899 | Wills and other Testamentary Records: District Regis... | |
| 11484 | National Archives of Ireland | 1189/11/6 | 1898 | Letters to John Woulfe Flanagan, January 1898 - Augu... | Woulfe Flanagan |
| 11487 | National Archives of Ireland | 1189/12/5 | 1898-1899 | Letters to John Woulfe Flanagan from members of the ... | Woulfe Flanagan |
| 11488 | National Archives of Ireland | 1189/12/7 | 1898-1899 | Letters to John Woulfe Flanagan from his children Ja... | Woulfe Flanagan |
| 11489 | National Archives of Ireland | 1189/12/9 | 1898-1899 | Miscellaneous correspondence to John Woulfe Flanagan... | Woulfe Flanagan |
| 15442 | National Archives of Ireland | 999/13/5 | 1899 | Official copy will and grant of Martha West Heron, D... | Small Private Accessions |
| 15482 | National Archives of Ireland | 999/82/1 | 1898 | Copy probate of the will of Elizabeth Hickman Roe, R... | Small Private Accessions |
| 15504 | National Archives of Ireland | 999/117 | 1898 | Bond by John W. Perrin, 79 Great Brunswick St, Dubli... | Small Private Accessions |
| 15598 | National Archives of Ireland | 999/211/3 | 1898 | Probate of the will of Helena Finucane, Ballymacooda... | Small Private Accessions |
| 11178 | National Gallery of Ireland Library | AB69 | 1899
1955 | Routine correspondence relating to Evie Hone's death... | |
| 11172 | National Gallery of Ireland Library | AB57 | 1898 | Bequest of Annie Calwell. In 1 folder with other non... | |
| 1987 | National Library of Ireland | Ms7318 | 1898-1899 | Newspaper cuttings made by M E L Butler (Mrs Mary N... | |
| 2305 | National Library of Ireland | Ms1703 | 1899 | Translation made in 1899 by Lord Dufferin and Ava of... | |
| 3741 | National Library of Ireland | Mss13480-13481 | 1899 | Letters mainly to T P Gill, including, among others,... | T.P. Gill Papers |
| 9212 | National Library of Ireland | Ms15392 | 1898 | Transfer of shares in the Drogheda Independent Comap... | |
| 9331 | National Library of Ireland | M 23521 | 1899 | Album relating to the visit of the Duke and Duchess ... | Ormonde Papers |
| 9434 | National Library of Ireland | Ms24544 | c1898 | School execise books of Josephine Kelly as a student... | |
| 9573 | National Library of Ireland | Ms29770(158) | 1898 | Appointment of new trustees of the marriage settleme... | Doyne Papers |
| 10830 | National Library of Ireland | Ms21127 | 1899 | Two letters from Sir R S Ball, one of which is an au... | |
| 4814 | Newtown School, Waterford | School Safe/23 | 1898 | Newtown Centenary Book, 1898 | |
| 5461 | Newtown School, Waterford | CA/3 | 1898 | Centenary Volume, 1898. | |
| 5473 | Newtown School, Waterford | D/2 | 1898 | Centenary photographs, 1898. | Photographs |
| 18826 | Offaly Archives | OH OHS82 | 1899 | Volume containing abstracts of presentments granted ... | Grand Jury Presentments Lent Assizes |
| 18953 | Offaly Archives | OCL RRDC33/2 | 1898 | Printed Material:Featuring a 'Local Government (... | Records of Roscrea Rural District No. 2 |
| 7520 | Public Record Office of Northern Ireland | D/668/181/1 | 1898-1899 | School reports and letters of May, Violet and Floren... | Hezlet Papers |
| 7487 | Public Record Office of Northern Ireland | D/4164/D/5 | 1898-1899
1905 | Notebook including transcribed minutes in the Amateu... | Maxwell Given Papers |
| 13865 | Queen's University Belfast Special Collections and Archives | MS17 | c.1898 | 'A Man of the People', manuscript of an unpu... | Somerville and Ross Collection |
| 1245 | Religious Society of Friends in Ireland Historical Library | Newtown School/Filing Cab | 1898 | Planting of Oak Tree by Anna Haslam and Benjamin Foy... | Photographic Collections |
| 4195 | Religious Society of Friends in Ireland Historical Library | Deed Box VIII/Folder 2:8 | 1899 | Susan Haydock, Violet Bank, Rathagan, County Kildare... | Deeds |
| 5200 | RTÉ Stills Library | 0265/061 | 1898 | Four women sitting in a garden, Ireland 1898. | Illustration Library |
| 22676 | South Eastern Education and Library Board Local History Collection | | 1898-1899 | 1 bound volume of newspaper cuttings from 'RM' to Li... | Local Studies Collection |
| 22717 | South Eastern Education and Library Board Local History Collection | | 1898 | Extracts from Miss Elizabeth Saul's will, 30 July 18... | Local Studies Collection |
| 7592 | St Malachy's College, Belfast | E2 | 1898
1900 | One folder which includes:A handwritten diary of Can... | |
| 13259 | Tipperary Museum of Hidden History | AQNO1995.530 | 1898-1899 | Receipts, Lismore Clonmel estate, 1898-1899. | |
| 13260 | Tipperary Museum of Hidden History | AQNO1995.531 | 1898-1899 | Receipts, Lismore estate, Banteer, County Cork, 1898... | |
| 13261 | Tipperary Museum of Hidden History | AQNO1995.532 | 1898-1899 | Receipts, Lismore Banteer estate, 1898-1899. | |
| 13265 | Tipperary Museum of Hidden History | AQNO1995.518 | 1899 | Receipts, Cahernahallia estate, Lady Lismore, 1899. | |
| 22759 | Tower Museum, Derry-Londonderry | | 1898 | Enlarged black and white photograph of a garden part... | |
| 6448 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs6198 | 1899 | Synge photographs, includes: Photograph of J M Synge... | Synge |
| 10455 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs6873 | 1899 | Correspondence of John Dillon and Elizabeth Dillon, ... | Dillon Papers |
| 11218 | Trinity College Dublin, Manuscripts and Archives Department | V/229 | 1898-1899 | Notes on tenants on Darley, Courtown and Roche estat... | Courtown Papers |
| 3671 | UCC Special Collections & Archives | U2/AZ | 1899 | Letters to Sophie O'Brien by various people from 189... | William O'Brien Papers |
| 3681 | UCC Special Collections & Archives | U2/BF1-94 | 1899 | Letters of O'Brien to Sophie O'Brien, 1899:1... | William O'Brien Papers |
| 18394 | University of Galway Archives | LA5 | 1899 | Photocopy of a file of correspondence maintained by ... | Bawnboy Union, Material relating to the Board of Guardians |
| 5961 | Waterford City Archives | TNC 10/12 | 1899 | Public Petitions: 1899 . Draft agreement with the Tr... | Records of the Town Clerk |
| 11283 | Waterford County Archives | Box 6 | 1899 | Box of material dealing with the fishing rights and ... | Lismore Castle Papers |
| 19275 | Westmeath County Archives Department | | 1899 | Kilbeggan Rural District Rate Ledger:30 September 18... | Westmeath County Council |