| 13280 | Armagh County Museum | 1955/118 | 1902 | Album of manuscript poems by Æ [George Russell... | |
| 13281 | Armagh County Museum | 1955/116 | 1902, 1926 | 2 letters from Æ [George Russell] to Miss Eliz... | |
| 12776 | Armagh Diocesan Archive (RC) | | 1898
1901 | There is a detailed calendar of Letters of Most Rev.... | Cardinal Logue Archive |
| 16445 | Armagh Diocesan Archive (RC) | | 1901 | There is a detailed calendar of Letters of His Emine... | Cardinal Logue Archive |
| 16446 | Armagh Diocesan Archive (RC) | | 1901 | There is a detailed calendar of Letters of His Emine... | Cardinal Logue Archive |
| 16226 | Birr Castle Archives | A-W | 1906-1908
1913-1915
1902
1920 | N/12; N/15; N/17; and N/21:Personal letters to Cecil... | The Rosse Papers |
| 16805 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1901-1902 | Lismore Estate:Estate of Lady Lismore, Cash Book, 19... | Bolton Library Archive |
| 20700 | Clare County Archives | | 1901 | Kilkee Town Commissioners, Board Minute Books, Augus... | Kilkee Town Commissioners |
| 16956 | Clare County Archives | | 1850-1865
1901-1902 | Rough Minute Books:August 1850 - March 1851March 185... | Corofin Poor Law Union |
| 1390 | Cork Public Museum | AQNO1948:105 | 1902 | Photograph of Lady Aberdeen at the Cork Exhibition o... | |
| 20764 | Cork Public Museum | AQNOL1970:44/ | 1899
1901 | 2 Routine matters, containing correspondence, notice... | |
| 19048 | Cultural Heritage Services Library, Armagh | | 1901 | Copy of the census returns for County Armagh: 1901 (... | |
| 6235 | Enniskillen Library | | 1901 | Microfilm copy of the census of population for Count... | |
| 23153 | Fermanagh County Museum, Enniskillen Castle | FCM-1995-121 | 1901 | Typed memorandum regarding Inishmacsaint lace from t... | Eleanor Hassard Papers |
| 49 | Irish Dominican Congregation Archives | F10 | 1902 | Letter from S.M. Ignatius O'Doherty OP, Belfast,... | Dominican Archives, Cabra |
| 22126 | Irish Jesuit Archives | J27/ | 1902
1905
1906
1911 | 26 A file of letters from A. Brownrigg, Bishop of Os... | Papers of Fr Matthew Russell, SJ (1834 - 1912) |
| 22137 | Irish Jesuit Archives | J27/ | 1883
1887
1901 | 47 December 1883 -5 January 1901. A file of letters... | Papers of Fr Matthew Russell, SJ (1834 - 1912) |
| 21873 | Kerry Local Studies and Archives Department | | 1891-1892
1901-1902 | Kerry County Council Minute Books: June 1891-July 18... | Kerry County Council |
| 1789 | King's Hospital School | 5/ | 1742
1860
1888
1896
1902
1910 | 5/ 1910 Scheme for regulation of the charity: Record... | Mercer's School |
| 13278 | Limerick Museum | AQNO (0000.4411) | 1901 | Photograph. Glass slide. Group of people, posed. Tit... | |
| 20072 | Little Company of Mary Sisters | LCM1 | 1902 | 1/2/5 Typescript of the autobiographical notes writt... | Mother Mary Potter, Foundress |
| 20198 | Meath Local Studies and Family History Department | Box I/ | 1902 | 9 Lease for site of teacher's residence, Bloomhill [... | Mountainstown Documents |
| 20298 | Meath Local Studies and Family History Department | Box A/ | 1901 | 3 Farm expenditure, Pollocks, 1901. | Mountainstown Documents |
| 11919 | Mount Melleray Abbey, Waterford | | 1901 | See for example: Number 8, Papers of Father Maurus O... | |
| 3939 | National Archives of Ireland | s25230 | 1901 | Cipher telegram from Home Office, Crime Department S... | Crime Branch Special Records |
| 3940 | National Archives of Ireland | s24060 | 1900
1901 | 'Daughters of Erin' [Inghinidhe na h-É... | Crime Branch Special Records |
| 4086 | National Archives of Ireland | DUB55/F/B | 1901 | Miscellaneous Deeds etc., relating to the Hospital. ... | Records of the Coombe Hospital |
| 8846 | National Archives of Ireland | IB/2/37 | 1901 | Wills and other Testamentary Records: District Regis... | |
| 13277 | National Archives of Ireland | PEN1901/77 | 1901 | Jane Irwin, aged 24, born County Leitrim, servant, s... | General Prisons Board Penal Files, 1883-1925 |
| 14102 | National Archives of Ireland | 1190/4 | 1901 | Two letters from her brother Joseph, 1901 and no dat... | Sweetman Correspondence |
| 15440 | National Archives of Ireland | 999/11 | 1902 | Certified copy will and grant, Anne Dunne, 37 Lower ... | Small Private Accessions |
| 15471 | National Archives of Ireland | 999/71/1 | 1901 | Papers of the Kehoe, Keogh and Keough family, Clough... | Small Private Accessions |
| 15477 | National Archives of Ireland | 999/73/2 | 1902 | Plain copy will and grant of Susan Elizabeth Harvey,... | Small Private Accessions |
| 15479 | National Archives of Ireland | 999/74 | 1901 | Original probate and copy will of Margaret Topham, 1... | Small Private Accessions |
| 15548 | National Archives of Ireland | 999/163/3 | 1902 | Letters of administration with will annexed de bonis... | Small Private Accessions |
| 15549 | National Archives of Ireland | 999/165 | 1901 | Copy of probate of the will of Sarah Crowley, 25 Cha... | Small Private Accessions |
| 15599 | National Archives of Ireland | 999/211/4 | 1901 | Letters of administration intestate of the estate of... | Small Private Accessions |
| 1959 | National Library of Ireland | Ms4816 | 1902 | Illuminated address from the citizens of Derry to La... | Wicklow Papers |
| 2315 | National Library of Ireland | Ms13267 | 1901
1911
1916
1920-1929
1930-1939 | Correspondence of theatre critic and enthusiast Jose... | Joseph Holloway Papers |
| 2416 | National Library of Ireland | Ms10465(1-7) | 1901 | A diary, letters, photographs and press-clippings re... | Alice Stopford Green Papers |
| 2417 | National Library of Ireland | Ms421 | 1901 | Diary and correspondence relating to Alice Stopford ... | |
| 2444 | National Library of Ireland | Ms9263 | c1901 | Includes a notebook of pious thoughts collected by S... | |
| 9029 | National Library of Ireland | Ms13770 | 1901 | Four letters of Major John McBride to his mother whi... | |
| 9255 | National Library of Ireland | Ms15718 | 1901 | Five autographed being the correspondence of Miss C ... | |
| 9524 | National Library of Ireland | Ms29813 | 1902 | Copy draft separation agreements drawn up for Maud G... | Frederick J. Allan Papers |
| 9637 | National Library of Ireland | Ms29767(60) | 1902 | Lease of mineral rights of Ballygahan from Mrs Mary ... | Hibernian Mining Company Papers |
| 10106 | National Library of Ireland | Ms16259 | 1902 | List of subscribers to the Workers' Republic, 1902, ... | William O'Brien Papers |
| 16566 | Presentation Sisters Congregational Archives | DON1/98 | 1901 | Letters of Canon Sheehan to Mother Ita O'Connell... | Presentation Sisters South West Province - St Joseph's Convent, Doneraile |
| 16567 | Presentation Sisters Congregational Archives | DON1/99 | 1902 | Letters of Canon Sheehan to Mother Ita O'C... | Presentation Sisters South West Province - St Joseph's Convent, Doneraile |
| 6368 | Public Record Office of Northern Ireland | T/1769 | 1865-1866
1901 | T/1769/3 Copy of the emigrant diary of Elizabeth An... | |
| 6503 | Public Record Office of Northern Ireland | D/1301/5 | 1902 | An invitation announcing a fashion show at Mrs Georg... | |
| 6605 | Public Record Office of Northern Ireland | D/1717/2 | c1901 | Manuscript notebook with genealogical notes on the O... | |
| 6637 | Public Record Office of Northern Ireland | D/1790/3/1 | 1901-1902 | Committee Minute Book of Armagh Catholic Ratepayer's... | McLaughlin Papers |
| 7558 | Public Record Office of Northern Ireland | D/987/14/1 | 1902 | Printed invitation to join the Loyal Women's Patriot... | Galbraith Papers |
| 6511 | Public Record Office of Northern Ireland | D/1333/ | 1900
1902 | D/1333/152 Separation agreement, James and Annie Qua... | |
| 6404 | Trinity College Dublin, Manuscripts and Archives Department | TCDMss10247/1/998-1001 | 1902
1917 | Includes a postcard and 1 letter to Alice Katherine ... | Wynne Family Papers |
| 10174 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs7890/8 | 1901-1902
1906 | Childers Photograph Collection, boating photographs.... | Erskine Childers Papers |
| 10446 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs6719 | 1902 | Personal and General Accounts of Elizabeth Dillon, 1... | Dillon Papers |
| 10457 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs6875 | 1902 | Correspondence of John Dillon and Elizabeth Dillon, ... | Dillon Papers |
| 11933 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs10221 | 1901 | Diary of Nancy Campbell, 1901. | Joseph Campbell Papers |
| 4552 | Waterford City Archives | | 1902 | Annual Report of the County and City Infirmary, 1902... | Waterford City and County Infirmary |