| 11660 | Abbey Theatre Archive | BoxN/ATC/Fin/4 | 1920-1923 | Bound volume. 'The National Theatre Society Ltd.... | |
| 11662 | Abbey Theatre Archive | BoxO/ATC/Fin/6 | 1920-1925 | Bound volume recording receipts from plays and autho... | |
| 14327 | Alexandra College | | 1920-1932 | H.M. White, Annual Guild, Conferences, 1920-1932, su... | |
| 13881 | Armagh County Museum | 1953/4 | c1920 | Water-colour, 'Market Street, Armagh, circa 1920', b... | |
| 16377 | Armagh Diocesan Archive (RC) | | 1913
1920 | Material relating to the Religious, includes:Sisters... | Cardinal Logue Archive |
| 16394 | Armagh Diocesan Archive (RC) | | 1918-1920 | Material relating to the Sacred Congregation of the ... | Cardinal O'Donnell Archive |
| 16396 | Armagh Diocesan Archive (RC) | | 1920 | Material relating to the Hierarchy:Folder number 3, ... | Cardinal O'Donnell Archive |
| 16397 | Armagh Diocesan Archive (RC) | | 1920 | Material relating to the Hierarchy:Memorandum, Mrs B... | Cardinal O'Donnell Archive |
| 16398 | Armagh Diocesan Archive (RC) | | 1920 | Material relating to the Hierarchy:Memorandum on exp... | Cardinal O'Donnell Archive |
| 16408 | Armagh Diocesan Archive (RC) | | 1911-1920 | Miscellaneous material, includes:Folder number 9: re... | Cardinal O'Donnell 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 |
| 16247 | Birr Castle Archives | A-W | 1922-1924
1920-1967 | The correspondence of the 6th Earl of Rosse include,... | The Rosse Papers |
| 20642 | Carlow County Archive | | 1908-1911
1914-1920 | Carlow Union Minute Book of Boarded and Hired Out C... | Carlow Local Authority Records |
| 16893 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1846-1920 | Marriage Register, Ardmayle, 1846-1920, 1 volume. | Bolton Library Archive |
| 16455 | Central Catholic Library | | 1920-1964 | Central Catholic Library, Minute Book of the Books C... | |
| 6082 | Clare County Archives | | 1916-1920 | Clare County Council Minute Book, 16 April 1916 - 26... | Clare County Council |
| 6083 | Clare County Archives | | 1920-1923 | Clare County Council Minute Book, 1 November 1920 - ... | Clare County Council |
| 6110 | Clare County Archives | | 1915-1920 | Finance Committee Minute Book, 9 December 1907 - 5 D... | Clare County Council |
| 6111 | Clare County Archives | | 1915-1920 | Finance Committee Minute Book, 1 February 1915 - 12 ... | Clare County Council |
| 6112 | Clare County Archives | | 1920-1921 | Finance Committee Minute Book, 17 May 1920 - 25 Augu... | Clare County Council |
| 6113 | Clare County Archives | | 1917-1920 | Finance Committee Minute Book, 10 December 1917 - 1 ... | Clare County Council |
| 6114 | Clare County Archives | | 1920-1923 | Finance Committee Minute Book, 14 December 1920 - 19... | Clare County Council |
| 14378 | Clare County Archives | | c.1920-1966 | Bluett Photograph Collection:257 photographs of the ... | Clare County Library Photographic Archive |
| 14386 | Clare County Archives | | 1920-1970 | Michael Joe Glynn Collection:Includes photographs of... | Clare County Library Photographic Archive |
| 16961 | Clare County Archives | | 1920 | Diet Class Book:February 1920 - August 1920 | Ennis Poor Law Union |
| 16962 | Clare County Archives | | 1897-1920 | Architect's Report Book: October 1897 - May 1920... | Ennis Poor Law Union |
| 16964 | Clare County Archives | | 1874-1920 | Agenda Books:September 1874 - October 1882November 1... | Ennis Poor Law Union |
| 20723 | Clogher Diocesan Archives (RC) | Box 51 | 1920-1921 | Small envelope entitled 'Some documents re the amalg... | Clogher Diocesan Records (RC) |
| 13429 | Cork City and County Archives | H7 | 1918-1920 | Minute Book of the Cork Child Welfare League. The Le... | |
| 14444 | Cork City and County Archives | SM962 | 1916-1920 | A letter and postcard from Terence MacSwiney to Paul... | Manuscripts relating to Pauline Henley |
| 22957 | Cork City and County Archives | U201/ | 1913-c.1920 | 14: Theatre post cards and programmes, mainly visiti... | J.T. Horne Collection |
| 23815 | Cork City and County Archives | | 1920-1950 | City Engineer’s Correspondence and Reports, 1920-1... | Cork City Council Records - Miscellaneous |
| 23824 | Cork City and County Archives | | 1920-1970 | Cork City Library 1920s-1970s | Cork City Council Records - Miscellaneous |
| 23827 | Cork City and County Archives | | 1920-1924
1929-1946 | Council Roll Books (elected members) 1920- 1924, 192... | Cork City Council Records - Miscellaneous |
| 12149 | Cork Folklore Project | TR-NF98-17-1 | 1920-1921 | Interview on the subject of folksongs, folk poetry, ... | |
| 1387 | Cork Public Museum | AQNOL1970:32 | 1920 | Letter on two cards from Eithne Ní Shuibhine,... | |
| 12493 | Cork Public Museum | AQNOL1955:14/33 | c.1920 | Letter of sympathy, on the death of Terence MacSwine... | |
| 12494 | Cork Public Museum | AQNOL1955:14/14 | c.1920 | Letter of sympathy on the death of Terence MacSwiney... | |
| 13449 | Cork Public Museum | AQNO1987:382 | 1920 | A photograph of an old woman with hens in the backya... | |
| 13450 | Cork Public Museum | AQNOL1945:347 | 1920 | Letter from Mrs M. Flower, Battersea, London 20 Sept... | |
| 13451 | Cork Public Museum | AQNOL1955:66 | 1920 | Letter from D. O'Callaghan to Mrs MacSwiney, 23 ... | |
| 13452 | Cork Public Museum | AQNOL1955:68 | 1920 | Letter from Art O'Brien to A. MacSwiney, 23 Sept... | |
| 13453 | Cork Public Museum | AQNOL1955:118 | 1920 | Typescript of a diary of Mary MacSwiney, of the last... | |
| 13455 | Cork Public Museum | AQNO1989:8 | 1920 | Letter from Maire MacSwiney to Leo Henderson concern... | |
| 13456 | Cork Public Museum | AQNOL1955:65.1 | 1920 | Letter from the Secretary's Office, City Hall, t... | |
| 13457 | Cork Public Museum | AQNO1959:1 | 1920 | Photographic reproduction of a Declaration of Award ... | |
| 13458 | Cork Public Museum | AQNOL1967:47 | 1920 | Photograph of a parade of women protesting against t... | |
| 13459 | Cork Public Museum | AQNOL1955:194 | 1920 | Certificate of Freedom of Chicago city, conferred on... | |
| 19043 | Cultural Heritage Services Library, Armagh | | 1912-1920 | Microfilm copies of the suffrage paper, The Irish Ci... | |
| 11746 | Donegal County Archives | CH/BV/7/5/563 | 1920-1921 | Ballyshannon Poor Law Union, Diet Class Book, 2 Octo... | Ballyshannon Poor Law Union |
| 14460 | Donegal County Archives | | 1908-1920 | Londonderry No. 2 (Burt, Killea, Bridgend area of Do... | Londonderry Rural District Council Records |
| 7563 | Down County Museum | DB111 | 1920s-1930s | Bundle of various miscellaneous receipts and account... | |
| 7571 | Down County Museum | DB423 | 1920-1921 | 17 page printed register of electors in Downpatrick,... | |
| 5035 | Dublin City Library and Archive | HLG/2/S/12 | 1920-1921 | Ellen Duncan Correspondence, 1914-1922:Letter from H... | Hugh Lane Gallery |
| 21216 | Dublin City Library and Archive | DCSA/26 | 1920-1967 | The collection includes 70 photographs including Iri... | Muckross Hockey Club |
| 18505 | Dublin Diocesan Archives (RC) | AB 7/Lay Organisations 3 | 1920-1938 | Catholic Working Girls' Club, Working Girls' Hostel,... | Byrne Papers |
| 18539 | Dublin Diocesan Archives (RC) | AB 7/Lay organisations 2 | 1920-1937 | Correspondence regarding St Patrick's Guild 1922... | Byrne Papers |
| 18513 | Dublin Diocesan Archives (RC) | AB 7 | 1920 | Charity cases, c.4 boxes includes, applications to t... | Byrne Papers |
| 3111 | Dún Laoghaire-Rathdown County Council | LA1/19 | 1917-1920 | Minutes of the Blackrock Town Commissioners and Urba... | Blackrock |
| 3168 | Dún Laoghaire-Rathdown County Council | LA1/334 | 1920 | Copy lease: Herbert Power to Miss Maggie Dalton of T... | Blackrock |
| 3112 | Dún Laoghaire-Rathdown County Council | LA1/20 | 1920-1923 | Minutes of the Blackrock Town Commissioners and Urba... | Blackrock |
| 3200 | Dún Laoghaire-Rathdown County Council | LA3/18-19 | 1894-1920 | Minutes of the School Attendance Committee with deta... | Killiney-Ballybrack |
| 13343 | Elphin Diocesan Archives (RC) | | 1914-1920 | Box marked Bishop Coyne Convents/ Marist and Francis... | |
| 20486 | Galway County Council Archives | GH/1 | 1913-1920 | Galway Hospital, Draft Receipt and Expenditure Book,... | Galway Hospital Records |
| 23197 | Good Shepherd Sisters | | 1848-1920 | Personnel 1848-i) statistics, annual returns, 1848 -... | |
| 226 | Irish Film Archive | Spencer Freeman | 1920-1970 | Spencer Freeman Collection: Christmases etc., 2: Ch... | Spencer Freeman Collection |
| 227 | Irish Film Archive | Spencer Freeman | 1920-1970 | Spencer Freeman Collection: Dún Laoghaire, et... | Spencer Freeman Collection |
| 228 | Irish Film Archive | Spencer Freeman | 1920-1970 | Spencer Freeman Collection: Dun Laoghaire, etc., 3:P... | Spencer Freeman Collection |
| 295 | Irish Film Archive | Horgan Brothers/1910s/SF | c.1910-c.1920 | Horgan Brothers/1910s/Sinn Féin prisoners, cr... | |
| 5560 | Irish Labour History Museum | | 1901-1920 | Dublin Municipal Officers Association: Minute Books:... | Fórsa (IMPACT) |
| 20021 | Irish Labour History Museum | | 1920-1971 | Irish Local Government Officials Union:Minute Books:... | Fórsa (IMPACT) |
| 20022 | Irish Labour History Museum | | 1920-1953 | Union of Professional and Technical Civil Servants:R... | Fórsa (IMPACT) |
| 6233 | Irish Linen Centre and Lisburn Museum | | 1920s-1993 | Administrative records of Lambeg Industrial Research... | |
| 2253 | Irish Theatre Archive | ITA/124 | 1920-1923 | Scrapbook relating to the theatre in Dublin, 1920-19... | |
| 2054 | Kerry Local Studies and Archives Department | BG/154/B/ | 1903-1920 | Correspondence:1. 26 August 1903 - 31 August 1905 Or... | Tralee Poor Law Union |
| 12023 | Kerry Local Studies and Archives Department | SL/B/15/2 | 1920 | Draft case for Counsel's opinion to advise Richa... | Chute Papers |
| 20829 | Kildare Local Studies, Genealogy and Archives Department | Miscellaneous Records | 1919-1920 | Board of Guardians Minute Book, 26 November 1919 - 2... | Athy Poor Law Union |
| 20840 | Kildare Local Studies, Genealogy and Archives Department | Miscellaneous Records | 1918-1920 | Register of Admission and Discharge, 06 June 1918 - ... | Athy Poor Law Union |
| 3369 | Kilkenny Local Studies Department | RDC101/B/1 | 1900-1920 | Kilkenny Rural District Council, Outward Letter Book... | Kilkenny Rural District Council |
| 11706 | Kilkenny Local Studies Department | CR/D/18 | 1919-1920 | Kilkenny Corporation, Minute Book, 3 March 1919-4 Oc... | Kilkenny Corporation |
| 11707 | Kilkenny Local Studies Department | CR/D/14 | 1920-1927 | Kilkenny Corporation Minute Book, 9 November 1920-1 ... | Kilkenny Corporation |
| 11714 | Kilkenny Local Studies Department | CR/D/25 | 1914-1920 | Kilkenny Corporation Weekly Minute Book:7 July 1914-... | Kilkenny Corporation |
| 11715 | Kilkenny Local Studies Department | CR/D/26 | 1892-1920 | Kilkenny Corporation, Committee Minute Books:June 18... | Kilkenny Corporation |
| 11716 | Kilkenny Local Studies Department | CR/D/27 | 1905-1920 | Kilkenny Corporation, Committee Minute Book, April 1... | Kilkenny Corporation |
| 11720 | Kilkenny Local Studies Department | CR/E/3 | 1920-1923 | Weekly Minutes of Kilkenny Urban Sanitary Authority,... | |
| 12404 | Kilmainham Gaol Museum | 16PO-1A23-5 | 1910-1920 | Photograph of Mrs Margaret Pearse, autographed, c.19... | Irish Volunteers |
| 13420 | Kilmainham Gaol Museum | 19LR-1B22-1 | 1917-1920 | References for Miss Stella Archer's service as a... | Anglo-Irish War and Treaty |
| 13439 | Kilmainham Gaol Museum | 19PO-1K42-6 | 1919-1920 | Flashlight photograph of a Cumann na mBan convention... | Anglo-Irish War and Treaty |
| 13443 | Kilmainham Gaol Museum | 19FO-1D33-5 | 1920 | Government of the Irish Republic registered certific... | Anglo-Irish War and Treaty |
| 13444 | Kilmainham Gaol Museum | 19LR-1B21-16 | 1920 | Letter from W. McGrath, prisoner 2180, Wandesworth P... | Anglo-Irish War and Treaty |
| 13445 | Kilmainham Gaol Museum | 19LR-1B21-17 | 1920 | Letter from Lorcan Dineen, Wandesworth Prison, to hi... | Anglo-Irish War and Treaty |
| 13446 | Kilmainham Gaol Museum | 19PC-1A46-14 | 1920 | Wedding photo of Dan Breen and Brigid Malone, 12 Jun... | Anglo-Irish War and Treaty |
| 13447 | Kilmainham Gaol Museum | 19PO-1A32-10 | 1920 | Photograph of Mrs Despard at Balbriggan interviewing... | Anglo-Irish War and Treaty |
| 13448 | Kilmainham Gaol Museum | 19PO-1A32-21 | 1920 | Four photographs, includes one of Charlotte Despard ... | Anglo-Irish War and Treaty |
| 13460 | Kilmainham Gaol Museum | 19LR-1D44-03 | 1920 | Dick McKee letter to his sister Mag, Mountjoy, 4 Feb... | Anglo-Irish War and Treaty |
| 13461 | Kilmainham Gaol Museum | 19LR-1B22-7 | 1920-1921 | Letter from R. O'Moore, Leicester Prison, to his... | Anglo-Irish War and Treaty |
| 13462 | Kilmainham Gaol Museum | 19MS-1C25-7 | 1920-1921 | Autograph album which belonged to Kathleen Kavanagh,... | Anglo-Irish War and Treaty |
| 13463 | Kilmainham Gaol Museum | 19MS-1C25-9 | 1920-1921 | Autograph book of Maeve Ní Fhaolain, filled i... | Anglo-Irish War and Treaty |
| 13464 | Kilmainham Gaol Museum | 19PO-1A32-9 | 1920-1921 | Photograph of Charlotte Despard and Maud Gonne visit... | Anglo-Irish War and Treaty |
| 13466 | Kilmainham Gaol Museum | 20PC-1B52-03 | 1920s | Photograph of Susie Brown, Cumann na mBan, 1920s. | |
| 13877 | Kilmainham Gaol Museum | 19MS-1B41-13 | c.1920 | Poem by Ellen O'Leary 'To God and Ireland Tr... | Anglo-Irish War and Treaty |
| 13878 | Kilmainham Gaol Museum | 19PO-1A33-10 | c.1920 | Group photograph which includes Miss Stella Archer, ... | Anglo-Irish War and Treaty |
| 13879 | Kilmainham Gaol Museum | 19PO-1A33-13 | c.1920 | Group photograph of Cumann na mBan members, c.1920. | Anglo-Irish War and Treaty |
| 13880 | Kilmainham Gaol Museum | 19PO-1A33-29 | c.1920 | Photograph of Cumann na mBan celebration, c.1920, in... | Anglo-Irish War and Treaty |
| 13882 | Kilmainham Gaol Museum | 19PC-1A53-27 | c.1920-1921 | Eleven photos, one of Madame Despard with children i... | Anglo-Irish War and Treaty |
| 13883 | Kilmainham Gaol Museum | 21PO-1A36-3 | c.1920s | Photograph of Mrs Austin Stack, c.1920s. | History General |
| 21075 | King's Hospital School | 145-160 | 1912-1920 | 154 Wages Book, 1912 - 1920. | King's Hospital Records |
| 21081 | King's Hospital School | 145-160 | 1918-1920 | 148 Receipts expenditure, 1918 - 1920. | King's Hospital Records |
| 21082 | King's Hospital School | 145-160 | 1912-1920 | 147 Receipts expenditure, 1912 - 1920. | King's Hospital Records |
| 4875 | King's Inns Library | M/15/1-15/11 | 1920-1987 | Library Administration, Readers' Attendance Book... | Records of the Honorable Society of King's Inns |
| 5683 | Laois Local Studies | A/ | 1920-40 | General Administration and Finance. Treasurers Cash ... | Laois County Council |
| 14475 | Laois Local Studies | | 1920-1990 | The Helen Roe Papers contain her notes on various lo... | Helen Roe Collection |
| 21616 | Laois Local Studies | C/ | 1920-1953 | 73. Financial Statement Expenditure Book, 1920-1953. | Laois County Council |
| 1836 | Leitrim Local Studies Department | | c.1920-c.1976 | The following lists the names of some of the individ... | Interviews |
| 13884 | Leitrim Local Studies Department | | 1920-1929 | Manuscript list of Boarded Out Children in County Le... | |
| 22293 | Leitrim Local Studies Department | | 1916-1920 | Minutes, Public Health and Miscellaneous:April 1916 ... | Carrick-on-Shannon Rural District Council |
| 1089 | Loreto Archives | P2/5/D2 | 1920-1930 | M.M. Raphael Deasy, Australia, includes:1920, draft ... | M.M. Raphael Deasy, Australia |
| 1090 | Loreto Archives | Boxes 5, 6, 8-13 | 1920-1972 | M.M. Raphael Deasy, Spain, 1923; Omagh and Cavan - F... | |
| 1779 | Louth County Archives | BG80/EG/194 | 1918-1920 | Dundalk Union Relieving Officers Diary, 1918 - 1920. | Dundalk Poor Law Union |
| 5739 | Louth County Archives | 178-197 | 1859-1920 | Ardee Union Treasurer's Ledger: 178 1896 - 1897 179... | Ardee Local Authority Records |
| 14509 | Mayo Local History Department | | 1903-1904
1912-1913
1916-1920
1924-1925 | Minute Books:13 June 1903-25 July 190427 May 1912-20... | Ballinrobe Rural District Council |
| 6010 | Meath Hospital, incorporating The National Children's Hospital | NC/HP/01 | 1920-1965 | National Children's Hospital: Annual Reports, 19... | |
| 5656 | Meath Local Studies and Family History Department | BG/133/A/ | 1914-1920 | Minute Books:90 October 1914 - May 191591 May - Nove... | Oldcastle Poor Law Union |
| 5665 | Meath Local Studies and Family History Department | BG/155/AA/ | 1910-1920 | Rough Minute Books:19 January 1910 - July 191020 Jul... | Trim Poor Law Union |
| 5681 | Meath Local Studies and Family History Department | BG/128/AA/ | 1872-1920 | Rough Minute Books:1 September 1872 - March 18732 Au... | Navan Poor Law Union |
| 5780 | Meath Local Studies and Family History Department | UDC/I/B/ | 1920-1937 | General Correspondence:Four Town Clerk's copy le... | Navan Urban District Council |
| 20129 | Meath Local Studies and Family History Department | Box F/ | 1920
1921 | 11 Agreement between the Irish Trade and General Wor... | Mountainstown Documents |
| 20157 | Meath Local Studies and Family History Department | Box C/ | 1905-1920 | 15 Turf bank and potato plots account book, 1905-192... | Mountainstown Documents |
| 20200 | Meath Local Studies and Family History Department | Box I/ | 1920 | 11 Agreement between Marquis of Headfort and Edward ... | Mountainstown Documents |
| 20343 | Meath Local Studies and Family History Department | FJC/ | 1920-1953 | Invoices:F47 August 1939-September 1944F48 January 1... | F. and J. Clayton Company Records |
| 20592 | Meath Local Studies and Family History Department | Box E/ | 1920 | 29 Rental for the year 1920 (Pollock). | Mountainstown Documents |
| 22823 | Methodist Historical Society of Ireland | | 1920-1940 | Armagh Methodist Circuit Records: 1920-1940 | |
| 22838 | Methodist Historical Society of Ireland | | 1906-1920
1949-1964 | Sandy Row Primitive Methodist Church, Belfast:Collec... | |
| 22844 | Methodist Historical Society of Ireland | | 1819-1920
1937 | Carrickfergus Methodist Circuit:Register of members,... | |
| 12358 | Military Archives | A/0499/VIII/XL | 1920 | Letter from May Hegarty about her brother Daniel Heg... | |
| 13442 | Military Archives | A/0488/XXII | 1920 | Letter from Adjutant General to OC, Carlow Brigade, ... | |
| 2110 | Monaghan County Museum | 1976:88 | 1913-1920 | Town Court Order Book, Ballybay, 1913-1920. | |
| 597 | National Archives of Ireland | BG/137/ | 1919-1920 | Relieving Officer's Application and Report Book:... | Rathdown Poor Law Union and Rural District Council |
| 620 | National Archives of Ireland | BG/137/ | 1920-1926 | Medical Returns and Extra Books:HB1 April 1920 - Jul... | Rathdown Poor Law Union and Rural District Council |
| 741 | National Archives of Ireland | BG/79/ | 1920-1947 | Office Discharge Books:FNB1 February 1920 - July 192... | South Dublin Poor Law Union and Rural District Council |
| 564 | National Archives of Ireland | BG/137/ | 1912-1920 | Rathdown Poor Law Union Minute Books:A139 Half year ... | Rathdown Poor Law Union and Rural District Council |
| 743 | National Archives of Ireland | BG/79/G1 | 1920-1948 | Indoor Relief Register: April 1920 - June 1948. | South Dublin Poor Law Union and Rural District Council |
| 746 | National Archives of Ireland | BG/79/ | 1913-1920 | Paupers' Leave of Absence Book:GK1 March 1915 - ... | South Dublin Poor Law Union and Rural District Council |
| 3281 | National Archives of Ireland | BG111/CD/1 | 1912-1920 | Financial Statements Receipts, half year ended, Marc... | Lismore Poor Law Union |
| 3288 | National Archives of Ireland | BG111D/1 | 1919-1920 | Lismore Poor Law Union, Indoor and Outdoor Relief Cl... | Lismore Poor Law Union |
| 3301 | National Archives of Ireland | BG111/FDA/ | 1914-1920 | Lismore Poor Law Union, Inventory Sheets, house requ... | Lismore Poor Law Union |
| 3303 | National Archives of Ireland | BG111/ FEA/ | 1920-1922 | Lismore Poor Law Union, Clothing Received and Conver... | Lismore Poor Law Union |
| 3316 | National Archives of Ireland | BG111/GC/ | 1920-1922 | Lismore Poor Law Union, Indoor Relief Lists:1: March... | Lismore Poor Law Union |
| 3910 | National Archives of Ireland | R353D | 1914-1920 | Industrial and Provident Societies. Newmarket Co-Ope... | Registry of Friendly Societies |
| 4854 | National Archives of Ireland | 999/283/3 | 1920 | Appointment by James N.A. Mostyn, Edmund J. Armstron... | House for Fallen Females/Northcote Rescue Home, 1866-1920 |
| 3284 | National Archives of Ireland | BG111/ CJ/ | 1894-1920 | 1: March 18942: September 18943: March 18954: Septem... | Lismore Poor Law Union |
| 3287 | National Archives of Ireland | BG111/CR/ | 1915-1920 | Lismore Poor Law Union Paying Orders:1: 1 October 19... | Lismore Poor Law Union |
| 3335 | National Archives of Ireland | BG111/RCJ/ | 1890-1920 | Lismore Rural District Council, Statement of Salarie... | Lismore Rural District Council |
| 11398 | National Archives of Ireland | ED1/114 | 1920 | Includes programme of the Killarney School of Housew... | Department of Education/Commissioners of National Education |
| 11438 | National Archives of Ireland | 1920/24094 | 1920 | File on the rape and robbery of Ellen Hallowed on 30... | |
| 12067 | National Archives of Ireland | 98/6/1/I-XII | 1920-1980s | Correspondence files, general correspondence: 98/6/... | Irish Girl Guides |
| 15169 | National Archives of Ireland | 1145 | 1698-1920 | W.J. Shannon & Co. solicitors. Papers for Porter fam... | Selection of Private Accessions, 1980-2002 |
| 15198 | National Archives of Ireland | 2001 | 1767-1920 | Byrne family, Byrne's Hill Dublin, and related famil... | Selection of Private Accessions, 1980-2002 |
| 15262 | National Archives of Ireland | 2002/78 | 1878-1920 | National School records for Glenealy, Co. Wicklow. | National Schools, Private Accessions |
| 15431 | National Archives of Ireland | 99/56/10/49/6 | 1920 | Papers relating to King's County. Grant by Henry Cro... | Family and estate records. 1611-1948 |
| 1988 | National Library of Ireland | Ms7326 | 1919-1920, 1955 | Miscellaneous papers about the submission of a case ... | |
| 2384 | National Library of Ireland | Ms27015 | c.1920 | Typescript statement of assets of Mrs Elizabeth C. D... | Blake of Ballyglunin Park Papers |
| 2545 | National Library of Ireland | Ms4565 | 1839-1920 | Includes letter from Violet Vandeleur of Cahircon, E... | |
| 2657 | National Library of Ireland | Ms10486 | 1898-1920 | Letters to Miss Christina M Doyle, 1898-1920, corres... | |
| 2668 | National Library of Ireland | Ms21710 | 1920 | Letter from George Russell (AE) to Joan Handel, reoc... | |
| 2830 | National Library of Ireland | Ms24113 | c1920 | Letters to Hanna Sheehy Skeffington relating to the ... | Sheehy-Skeffington Papers |
| 3042 | National Library of Ireland | Ms9934 | 1920 | Autograph letter signed Countess Markieviez to an un... | |
| 2315 | National Library of Ireland | Ms13267 | 1901
1911
1916
1920-1929
1930-1939 | Correspondence of theatre critic and enthusiast Jose... | Joseph Holloway Papers |
| 2397 | National Library of Ireland | Mss27736-27793 | 1902-c1920 | This collection includes letters to Hugh Lane and to... | Hugh Lane Additional Papers |
| 2827 | National Library of Ireland | Ms24110 | 1920 | Letters to Hanna Sheehy Skeffington, 1920, relating ... | Sheehy-Skeffington Papers |
| 2828 | National Library of Ireland | Ms24111 | 1920 | Letters to Hanna Sheehy Skeffington, 1920, relating ... | Sheehy-Skeffington Papers |
| 2829 | National Library of Ireland | Ms 24112 | 1920 | Letters to Hanna Sheehy Skeffington, 1920, relating ... | Sheehy-Skeffington Papers |
| 9220 | National Library of Ireland | Ms15441 | c1920-1929 | Miscellaneous cuttings and notes for use in republca... | Childers Papers |
| 9222 | National Library of Ireland | Ms15442 | c1920-1923 | Minute Books and other documents relating to Cumann ... | Childers Papers |
| 9280 | National Library of Ireland | Ms22990 | c1905-1920 | Includes a letter to Charlotte McCarthy referring to... | |
| 9295 | National Library of Ireland | Ms23342 | c.1897-1920 | Collection Book for the estates of W.F. Burton, Coun... | FitzMaurice Papers |
| 9297 | National Library of Ireland | Ms23409 | 1920-1923 | Diary of Celia Shaw, a student of University College... | |
| 9316 | National Library of Ireland | Ms23481 | 1918-1920 | Cheque book and counterfoils with names of c200 pers... | Irish National Aid and Volunteer Dependants' Fund |
| 9400 | National Library of Ireland | Ms24254 | 1920 | Typescript carbon of poem, `Irish Convention Number ... | Le Brocquy Papers |
| 9413 | National Library of Ireland | Ms24321 | 1916-1920 | Correspondence and documents relating to the work of... | Irish National Aid and Volunteer Dependants' Fund |
| 9414 | National Library of Ireland | Ms24322 | 1916-1920 | Letters relating to fund-raising activities in Austr... | Irish National Aid and Volunteer Dependants' Fund |
| 9751 | National Library of Ireland | Ms18353 | c1920-1960 | Letters to Gallagher, mainly relating to literary af... | Frank Gallagher Papers |
| 9757 | National Library of Ireland | Ms18393 | 1920 | Account by Miss Lily Collins of the sack of Balbrigg... | |
| 10028 | National Library of Ireland | Ms17449 | 1919-1920 | Nine miscellaneous letters, 1919-1920. These include... | Josephine McNeill Papers |
| 10032 | National Library of Ireland | Ms17669 | 1919-1920 | Ten letters from Ellen Leahy, Washington, to McCarte... | Dr Patrick McCarten Papers |
| 10034 | National Library of Ireland | Ms17683 | 1920 | Documents relating to the American Committee for Rel... | Dr Patrick McCarten Papers |
| 10055 | National Library of Ireland | Ms15986 | 1917-1920 | Fourteen autographed letters of Liam Mellows to, amo... | J.J. Hearn Papers |
| 10059 | National Library of Ireland | Ms15987 | 1920-1924 | Four letters, including two autographed letters of ... | J J Hearn Papers |
| 10071 | National Library of Ireland | Mss16108-16114 | 1902-1920 | Accounts of letting of various turf banks on Headfor... | Headford Papers |
| 10690 | National Library of Ireland | Ms17068 | 1920 | British Government (Department of Agriculture and Te... | |
| 10727 | National Library of Ireland | Ms19722 | 1914-1920 | Servants' Wages Book [from the estate of the Earl of... | |
| 10747 | National Library of Ireland | Mss19849-19854 | 1911-1920 | Six Account Books of National Theatre Society at the... | Abbey Theatre Papers |
| 10950 | National Library of Ireland | Ms21562 | c1920-1956 | Typescripts and some manuscript poems of Maeve C Mac... | Maeve Cavanagh MacDowell Papers |
| 10956 | National Library of Ireland | Ms22398 | 1920-1928 | Letters and a telegram from Austin Stack to his wif... | Austin Stack Papers |
| 11016 | National Library of Ireland | Ms17462 | 1920-1926 | Includes text of broadcast by Maud Gonne MacBride on... | Joseph McGarrity Papers |
| 11033 | National Library of Ireland | Ms17627 | 1920-1922 | Two letters from Countess Markievicz to McGarrity, c... | Joseph McGarrity Papers |
| 11079 | National Library of Ireland | Ms19425 | 1914-1920 | Debtors' Ledger of George Fottrell, attorney, Dublin... | |
| 11951 | National Library of Ireland | Mss12362-12365 | 1913-1920 | Belmullet Poor Law Union Minute Books: Ms12,362 Mar... | Belmullet Poor Law Union |
| 273 | National Maternity Hospital | E/2 | 1911-1920 | Board of Governors, Minute Book, June 1911-October 1... | |
| 274 | National Maternity Hospital | E/3 | 1920-1930 | Board of Governors, Minute Book, October 1920-Januar... | |
| 5281 | National Maternity Hospital | AR/2 | 1911-1920 | Annual Report of the National Lying-In Hospital, Jan... | |
| 4809 | Newtown School, Waterford | School Safe/7 | 1894-1920 | General Meeting Minutes, draft, 1894-1920. | |
| 4810 | Newtown School, Waterford | School Safe/8 | 1894-1920 | General Meeting Minutes, 1894-1920. | |
| 19774 | North Down Museum | | c.1920-c.1930 | The collection includes, for example:Family group ph... | Tommy Gribben Photographic Collection |
| 18844 | Offaly Archives | OCL BRDC10/6/1-5 | 1905-1920 | RDC No. 2 - 5 Minute Books:1: January 1905 - Novembe... | Records of Birr Rural District Council |
| 18942 | Offaly Archives | OCL BG164/10 | 1896-1920
1938-1939 | Report Book of the Visiting Committee | Records of Parsonstown Union |
| 18969 | Offaly Archives | OCL BG158/5 | 1914-1920 | Treasurer's Account Book. Account book documenting p... | Treasurer's Account Book |
| 18974 | Offaly Archives | OCL BG158/11 | 1913-1920 | Workhouse Provisions Book. 1 bound volume. Ledger re... | Workhouse Provisions Book |
| 18975 | Offaly Archives | OCL BG158/12 | 1917-1920 | Workhouse Daybook. 1 bound volume. Ledger kept by th... | Workhouse Daybook |
| 1105 | Public Record Office of Northern Ireland | D/3875/ | 1920-1982 | Ulster Girl Guides' minute books: 1: March 1920 ... | Girl Guides' Minute Books |
| 1135 | Public Record Office of Northern Ireland | D/3875/5/ | 1920-1976 | 1: 1920 - 1976, Girl Guides, Province of Ulster Regi... | Girl Guides' Minute Books |
| 1810 | Public Record Office of Northern Ireland | D/2002 | 1639-1920. | This collection of c.2000 documents, 89 volumes and ... | Richardson of Drum Papers |
| 1818 | Public Record Office of Northern Ireland | D/2021 | 1894-1920 | 2 manuscript notebooks of Hanna Street Mission Churc... | |
| 6271 | Public Record Office of Northern Ireland | AUS/1/7 | 1920 | Assistant Under-Secretary's Office, Registered G... | Assistant Under Secretary's Office |
| 6311 | Public Record Office of Northern Ireland | CR/1/1C/6 | 1839-1920 | Account book relating to Miss Fletcher's Bequest to ... | Church Records |
| 6550 | Public Record Office of Northern Ireland | D/1522/10/4 | c.1896-c.1920 | Bundle of c.30 business and family letters from Hess... | Kilpatrick Solicitors' Papers |
| 6632 | Public Record Office of Northern Ireland | D/1775/5/3A-B | c1910
1920 | Two photographs of Matilda and William Patton of Pat... | |
| 6839 | Public Record Office of Northern Ireland | D/3467 | c1900-1920 | 72 portrait photographs, probably of the Nelis famil... | |
| 7204 | Public Record Office of Northern Ireland | D/3082/A/1-8 | c.1920 | Photographs of female employees at work in damask li... | |
| 6564 | Public Record Office of Northern Ireland | D/1618/18/12 | 1920 | Quarto exercise book containing reminiscences of Emm... | Earl of Castle Stewart Papers |
| 6690 | Public Record Office of Northern Ireland | D/1919 | c.1920s-1930s | This collection of c.20 documents, includes: Photogr... | |
| 7010 | Public Record Office of Northern Ireland | D/2522 | c.1910-c.1920 | Photographs of Mary Jane and Eliza Hamilton, Ontario... | |
| 7022 | Public Record Office of Northern Ireland | D/2559 | 1740-c.1920 | c.500 documents comprising of title deeds, testament... | |
| 7031 | Public Record Office of Northern Ireland | D/2604 | 1794-c.1920 | This collection of c.60 documents includes correspon... | |
| 7351 | Public Record Office of Northern Ireland | D/3783 | 1920 | Correspondence from the British Fascists in London t... | |
| 7392 | Public Record Office of Northern Ireland | D/3905 | c1810-c1920 | This collection includes genealogical notes on the B... | |
| 7432 | Public Record Office of Northern Ireland | D/4026 | 1920 | 3 letters from James Greenan, Australia to his niece... | |
| 7100 | Public Record Office of Northern Ireland | D/2777 | 1841-1920 | The O'Hagan papers contain c5000 documents and are o... | O'Hagan Papers |
| 7216 | Public Record Office of Northern Ireland | D/3127 | 1818-1920 | 8 letters to Mrs Martha Wallace, Belfast from variou... | |
| 7333 | Public Record Office of Northern Ireland | D/3734 | 1879-1920 | Volume containing reprints of work by Sir John W. By... | |
| 7340 | Public Record Office of Northern Ireland | D/3751 | 1847
c.1920-1954 | Letter from Martha Gamble, Philadelphia, United Stat... | Rapheal Papers |
| 7360 | Public Record Office of Northern Ireland | D/3819 | 1850-1920 | The McDonnell papers consist of c850 documents and 5... | |
| 7413 | Public Record Office of Northern Ireland | D/3975 | c1810-1920 | c450 documents and 6 volumes relating to the Maxwell... | Farnham Papers |
| 7495 | Public Record Office of Northern Ireland | D/4185 | c.1902-1920s | This collection of the papers of the C.S. Lewis Cent... | |
| 7722 | Public Record Office of Northern Ireland | LA/73/ | 1899-1920 | Local Authority records are closed for 30 years from... | Aghalee Rural District Council Records |
| 7723 | Public Record Office of Northern Ireland | LA/74/ | 1900-1920 | Local Authority records are closed for 30 years from... | Trillick Rural District Council Records |
| 8171 | Public Record Office of Northern Ireland | T/1980/1 | 1650-1920 | Pedigree of the Purdon family, Lurgan Green, County ... | |
| 7787 | Public Record Office of Northern Ireland | MIC/523/ | 1920-1926 | Microfilmed copies of correspondence between the Imp... | |
| 7916 | Public Record Office of Northern Ireland | T/1203 | 1732-c1920 | This collection of 20 documents and 1 box of documen... | |
| 7933 | Public Record Office of Northern Ireland | T/1258/1-2 | 1630-1875
1806-1920 | Pedigree of the Rankin family of Devenish, County Fe... | |
| 8196 | Public Record Office of Northern Ireland | T/2036/1 | 1611-1920 | 20 pages of notes on the pedigree of the Hutton fami... | |
| 8280 | Public Record Office of Northern Ireland | T/2278/ | 1884-1920 | Copies of the correspondence of the Thompson family,... | |
| 8291 | Public Record Office of Northern Ireland | T/2317/1 | 1760-1920 | Pedigree of the Gillespie family, Longfield, County ... | |
| 8449 | Public Record Office of Northern Ireland | T/2717 | 1759-1920 | This collection includes genealogical notes on the C... | Rose-Clelland Papers |
| 8528 | Public Record Office of Northern Ireland | T/2978 | 1920 | A copy of 5 letters by Eileen Ellis in the Laccadive... | |
| 8644 | Public Record Office of Northern Ireland | T/630/2 | 1743-1920 | Copy pedigree of the Stavelly family of County Antri... | |
| 8669 | Public Record Office of Northern Ireland | T/72/1 | 1920 | Copy affidavit of Bridget McArdle, Superioress of th... | |
| 16512 | Queen's University Belfast Special Collections and Archives | MS63 | 1600-1920 | This extensive collection of family papers is compri... | The Coghill Family Collection |
| 822 | Religious Society of Friends in Ireland Historical Library | QM1/H11-19 | 1840-1920 | Schools and Education: QM1/H11 Minutes of Sub-Commi... | Leinster Quarterly Meetings |
| 871 | Religious Society of Friends in Ireland Historical Library | P78 | 1920 | Filing Cabinet 3 International Conference of Young ... | Photographic Collections |
| 1213 | Religious Society of Friends in Ireland Historical Library | P465 | 1920 | Picnic Group, c1920s. Includes Edith Wigham, Dorothy... | Photographic Collections |
| 1219 | Religious Society of Friends in Ireland Historical Library | P969 | 1920-1930 | Family Groups: Photograph of a gathering at Albany l... | Photographic Collections |
| 823 | Religious Society of Friends in Ireland Historical Library | QM1/H18-20 | 1852-1920 | Schools and Education: QM1/H18 Minutes of Committee... | Leinster Quarterly Meetings |
| 1333 | Religious Society of Friends in Ireland Historical Library | MMV/H1-3 | 1784-1920 | Schools and Education: MMV/H1 Mountmellick School L... | Mountmellick Monthly Monthly Meetings |
| 1347 | Religious Society of Friends in Ireland Historical Library | Deed Box XI | 1734-1920 | Folder 9.13 Charlotte Bell, widow of Ambrose Harvey... | Deed Boxes, Miscellaneous, New Shelf Head Lists |
| 4186 | Religious Society of Friends in Ireland Historical Library | Deed Box XI/Folder 2:1 | 1920 | Elizabeth Pike, Goodbody: Party to conveyance of Mee... | Deeds |
| 4979 | Religious Society of Friends in Ireland Historical Library | GM/4/3/Reel 37 | 1879-1920 | Ministers' and Elders' Minutes, Grange, near Charlem... | |
| 3878 | Religious Society of Friends in Ireland Historical Library | Mss Box 54 | 1920-1950 | Envelope No 2: 8 Extracts from testimony of Anthon... | Handlists: Mss Boxes, Pamphlets Boxes, etc. |
| 3887 | Religious Society of Friends in Ireland Historical Library | Mss Box 70 | 1920-1921 | Folder No 1 Distress in Ireland. Relief Committee ... | Handlists: Mss Boxes, Pamphlets Boxes, etc. |
| 9993 | Religious Society of Friends in Ireland Historical Library | PM/DubIV/A2 | 1913-1920 | Rathmines Joint Preparative Meeting Minutes, 1913-19... | |
| 9998 | Religious Society of Friends in Ireland Historical Library | PM/DubIV/A3 | 1920-1935 | Rathmines Joint Preparative Meeting Minutes, 1920-19... | |
| 11122 | Religious Society of Friends in Ireland Historical Library | MMXVI M4/Reel 42 | 1812-1920 | Burial Register with index, Richhill Monthly Meeting... | |
| 2194 | Representative Church Body Library | Ms161 | 1920-1968
1833
1875 | The Island and Coast Society was founded in 1833 for... | Island and Coast Society papers |
| 23704 | Representative Church Body Library | | 1920-1963 | Box 27 Miscellaneous correspondence, 1920-1963. | Mrs Smyly's Homes |
| 23680 | Representative Church Body Library | | 1870-1898
1911-1920 | Box 3 Dublin Mission Homes and Schools, 1911-1920, E... | Mrs Smyly's Homes |
| 101 | Roscommon Local Studies and Archives | | 1920-1921 | Minute Books (Digitised):AA-24-01 Strokestown BOG Mi... | Strokestown Poor Law Union |
| 103 | Roscommon Local Studies and Archives | | 1905-1920 | Minutes, miscellaneous, relating to matters other th... | Strokestown Rural District Council |
| 104 | Roscommon Local Studies and Archives | | 1899-1920 | Minutes, Labourers' Acts (Acting as the Rural Sa... | Strokestown Rural District Council |
| 22417 | Royal College of Physicians of Ireland | | 1916-1920
1930-1947 | Post Mortem Books:1916-19201930-1947 | Sir Patrick Dun's Hospital |
| 24915 | Royal Irish Academy of Music | | 1912-1920 | 4/3 1 November 1912 - 12 October 1920, contains corr... | |
| 24916 | Royal Irish Academy of Music | | 1920-1929 | 4/4 19 October 1920 - 17 December 1929, contains cor... | |
| 24951 | Royal Irish Academy of Music | 1120/3/ | 1918-1920 | 13: 8 April 1918 - 9 March 1920, on routine examinat... | |
| 24952 | Royal Irish Academy of Music | 1120/3/ | 1920-1922 | 14: 16 March 1920 - 11 April 1922, on routine organ,... | |
| 22503 | Royal Victoria Hospital, Belfast | | 1915
1920-1940 | Soft bound volume of photographs, including, for exa... | |
| 22504 | Royal Victoria Hospital, Belfast | | 1920
1921 | Bound volume of photographs, labelled 'Miscellan... | |
| 24741 | RTÉ Archive (Television) | | 1920-1990
1997 | 'Hoodwinked': 23 April 1997 Programme 1 Irish Women,... | Television Programme Archive |
| 5219 | RTÉ Stills Library | 0003/080 | 1920 | Members of the Irish Women's Worker's Union ... | Illustration Library |
| 22002 | St Brigid's Hospital, Ballinasloe | | 1920-1926 | Correspondence from Dáil Éireann to th... | Ballinasloe District Lunatic Asylum |
| 7818 | St Malachy's College, Belfast | N1 | 1919-1920 | Press cuttings book of Laurence O'Neill, Lord Ma... | |
| 24283 | Stranmillis University College, Belfast | | 1920 | Framed print of the house rules for Stranmillis Trai... | |
| 24300 | Tipperary County Archives | | 1919-1920 | Minute Book, General Committee, 16 January 1919-19 N... | Clonmel Corporation |
| 24301 | Tipperary County Archives | | 1911-1920
1922 | Minute Book, Housing Committee, 7 July 1911-27 Novem... | Clonmel Corporation |
| 24309 | Tipperary County Archives | | 1920 | Report of Inquiry into Housing Conditions, May 1920. | Clonmel Corporation |
| 24332 | Tipperary County Archives | | 1887
1920 | Clonmel Corporation, Roll of Members, November 1887-... | Clonmel Corporation |
| 1687 | Tipperary Studies | | 1899-1920 | Gortnahoe Rural District Council Minute Books:1 July... | Gortnahoe Rural District Council |
| 19831 | Tipperary Studies | | 1900-1920 | Gortnahoe Rural District Council Quarterly Minute Bo... | Gortnahoe Rural District Council |
| 19852 | Tipperary Studies | | 1863-1920 | Borrisofarney School Boys Register 1864-1920Borrisof... | Tipperary National School Registers and Roll Books |
| 6445 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs10055 | 1920-1921 | Diary of Cecilia Saunders, nee Gallagher, 1 May 1920... | Gallagher Papers |
| 10131 | Trinity College Dublin, Manuscripts and Archives Department | TCDMss7843/9-73 | 1914-1920 | Material relating to the Chelsea War Refugees Fund, ... | Erskine Childers Papers |
| 10134 | Trinity College Dublin, Manuscripts and Archives Department | TCDMss7843/235-237 | 1920 | Women's International League for Peace and Freedom, ... | Erskine Childers Papers |
| 10146 | Trinity College Dublin, Manuscripts and Archives Department | TCDMss7868/1-9 | 1920 | Copies or extracts from the letters of Margaret C Os... | Erskine Childers Papers |
| 10248 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs9932/33 | 1920-1929
1957 | A letter of reminiscences and family history by Mary... | |
| 10278 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs10343/2 | 1920 | Nelly O'Brien to [?the police authorities], 2 August... | |
| 10364 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs4908-4911 | c.1920-c.1950 | Papers collected by Patricia Hutchins in the course ... | Hutchins-Joyce |
| 10580 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs8265/216 | 1920 | Mrs Celia Corcoran, New York, to Mrs Pearse, discuss... | Pearse Family |
| 10587 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs8265/249 | 1920 | D.P. Martin, Shipley, to Mrs Pearse, relating to the... | Pearse Family |
| 10588 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs8265/251 | 1920 | Letter from Catherine Furlong, Secretary to the Iris... | Pearse Family |
| 11937 | Trinity College Dublin, Manuscripts and Archives Department | | 1918-1920 | Diaries of Nancy Campbell, 1918-1920. | Joseph Campbell Papers |
| 11895 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs7678 | 1920-1921 | Draft by E Oe Somerville of `An Enthusiast', chapter... | Somerville and Ross Papers (TCD) |
| 11896 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs7679 | 1920 | Draft by E Oe Somerville of `An Enthusiast', cha... | Somerville and Ross Papers (TCD) |
| 11949 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs4630-4669 | 1904
1905
1909
1910
1911
1915
1916
1918
1919
1920
| Correspondence of Seamus O'Sullivan and Estella Fran... | O'Sullivan/Solomons Collection |
| 11964 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs3773 | 1920-1946 | Correspondence of Agnes Romilly White, Ulster writer... | |
| 18617 | Trinity College Dublin, Manuscripts and Archives Department | TCD MS 10842 | 1920-1935 | Includes many images of early 20th-century women, wi... | Francis ('Frank') Edmund Stephens lantern slide collection |
| 18625 | Trinity College Dublin, Manuscripts and Archives Department | TCD MS 11394 | 1920 | MS copy of a memorandum of agreement between George ... | Memorandum of agreement re. trust fund for female students in Trinity Colle |
| 18764 | Trinity College Dublin, Manuscripts and Archives Department | TCD MS 11602 | c.1920-1979 | Significant elelments are the literary notebooks of ... | The Eoin O'Brien AJ Leventhal/Ethna MacCarthy Collection |
| 1142 | UCC Special Collections & Archives | Box 5 | 1920 -1930 | Photographs, loose in albums, and framed, includes b... | Nancy McCarthy Collection |
| 1143 | UCC Special Collections & Archives | Box 6 | 1920-1936 | Material relating to the activities of the Cork Dram... | Nancy McCarthy Collection |
| 3679 | UCC Special Collections & Archives | U118/Box2 | 1920-1921 | Includes statements on damages to private property a... | O'Rahilly Papers |
| 9835 | UCC Special Collections & Archives | BL/EP/G/1160 | 1920 | Letter to his sister [?] from Stephen Grehan, respon... | Grehan Estate Collection |
| 9836 | UCC Special Collections & Archives | BL/EP/G/1162 | 1920 | Letter to his sister, Magda, from Stephen Grehan des... | Grehan Estate Collection |
| 18456 | UCC Special Collections & Archives | BL/VC/EF | c.1920-c.1980 | Includes material relating to Friedlander's fame... | Elizabeth Friedlander Collection |
| 1894 | UCD Archives | LA53(1-59) | 1920-1987 | LA53 (1-59) Furlong's correspondents include Margare... | George Furlong Papers |
| 2086 | UCD Archives | P64 (1-10) | 1920-1922 | Papers of Captain Daniel Mulvihill, IRA County Liais... | Mulvihill Papers |
| 5598 | UCD Archives | TU3 | 1912-1920 | Minute and Account Book, 1912-1920. Insurance Secti... | Belfast Operative Bakers Friendly and Allied Trades Society |
| 17269 | UCD Archives | P234 | 1920-1965 | Correspondence mainly to Josephine McNeill and gener... | Josephine McNeill Papers |
| 17279 | Ulster University Archive & Special Collections, Coleraine Campus | 1 A-D | c.1920-1957 | 20 folders of the general correspondence of the play... | George Shiels Collection |
| 13440 | University of Galway Archives | G3 | 1919-1920 | Litreacha o Stiopháin Bairáad (S.J. Ba... | Paipeiri Stiophain Bairead |
| 18392 | University of Galway Archives | LA3 | 1874-1920 | The minutes of the Galway Urban Sanitary Authority l... | Galway Urban Sanitary Authority |
| 18594 | University of Limerick Special Collections and Archives | P3 | 1920-1995 | Contents:A. Genealogical Matters (1964-1966)B. CVs a... | The Frances Condell Papers |
| 23379 | University of Limerick Special Collections and Archives | P2/ | 1920-1921 | 2. Statement from V. Coughlan, dated 5 January 1921,... | The Daly Papers |
| 23426 | University of Limerick Special Collections and Archives | P2/ | 1920-1921 | 92. Statement by Mrs Dawson, 9 February 1921, about ... | The Daly Papers |
| 23444 | University of Limerick Special Collections and Archives | P2/ | 1919-1920
1922 | 127. Receipt for £25 to Carrie Daly to the Dáil É... | The Daly Papers |
| 23486 | University of Limerick Special Collections and Archives | P2/ | 1920 | 203. 9 manuscript pages of memoirs of events 1920, M... | The Daly Papers |
| 23600 | University of Limerick Special Collections and Archives | P2/ | 1920 | 339. Letter from Beechers Clothiers, 31 Patrick Stre... | The Daly Papers |
| 23646 | University of Limerick Special Collections and Archives | P2/ | 1920 | 408. Reply to Madge Daly's letter from Lieutenant H.... | The Daly Papers |
| 23649 | University of Limerick Special Collections and Archives | P2/ | 1920 | 411. Reply by Lieutenant H. Alban Davies HQ, Limeric... | The Daly Papers |
| 5553 | Waterford City Archives | LA1/13/D/1 | 1920-1931 | Report Book, 27 July 1920 - 12 October 1931. Report... | Records of the Public Health Committee |
| 5953 | Waterford City Archives | EST10/ | 1904-1920 | Corporation Estate Rentals:20: Year Ending 31 March ... | Record of the Estate Office |
| 5954 | Waterford City Archives | EST10/ | 1920-1930 | Corporation Estate Rentals:37: Year Ending 31 March ... | Record of the Estate Office |
| 23317 | Waterford City Archives | P30/ | 1920 | 25: Alphabetical list of birth dates of male inmates... | Michael Walsh Asylum |
| 9920 | Waterford County Archives | BG/WTFD | 1848-1920 | Minute Books of the proceedings of the Board of Guar... | Waterford Poor Law Union |
| 9934 | Waterford County Archives | | c1850-1920 | 2 tin deed boxes containing case papers relating to ... | Lismore Castle Papers |
| 19254 | Westmeath County Archives Department | | 1920-1931 | Westmeath Board of Health TB Minute Book:August 1920... | Westmeath County Council |
| 19259 | Westmeath County Archives Department | | 1918-1920 | Financial Statement Receipt Book, Tuberculosis Commi... | Westmeath County Council |
| 19426 | Westmeath County Archives Department | | 1920-1936 | Westmeath County Infirmary Minutes:1920-19331933-193... | Westmeath County Council |
| 1257 | Wexford County Archive | | 1899-1920 | Enniscorthy Rural District Council Minute Books: 1 4... | Enniscorthy Rural District Council |
| 1250 | Wexford County Archive | BG/87/1/ | 1840-1920 | WX/BG 87/1/1 – WX/BG 87/1/10 20 Mar 1840 ... | Enniscorthy Poor Law Union Records |
| 19936 | Wexford County Archive | | 1852-1857
1920-1927 | County Wexford Poor Law Commissioners. Circulars 185... | County Wexford Poor Law Commissioners |
| 5877 | Wicklow Library and Archives | | 1920-1924 | Baltinglass Rural District Council Minute Books: Jul... | Baltinglass Rural District Council |