| 14598 | Belfast Central Library | ST24 | 1856
1859
1903 | Manuscript letter from Walter Strickland to J.F. Big... | Francis Joseph Bigger Archive |
| 14615 | Belfast Central Library | | 1903-1906 | Correspondence of Alice Stopford Green with J.F. Big... | Francis Joseph Bigger Archive |
| 14625 | Belfast Central Library | | 1903
1943 | Archive box 'J.S. Crone, Miscellaneous Pamphlets... | |
| 24437 | Brother Allen Archive | Box 198 - File A | 1903 | Letter from Esmonde to Crilly, 3 October 1903 | Brother Allen Archival Collection |
| 16779 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1879-1903
1904-1946
1959-1997 | Marriages Registers, Tipperary Parish:1879-19031959-... | Bolton Library Archive |
| 16828 | Cashel, Ferns and Ossory Diocesan Archive (CoI) | | 1883-1903 | Cathedral and Parochial Books:1883-18881888-18941894... | Bolton Library Archive |
| 16954 | Clare County Archives | | 1903-1921 | Corofin Rural District Council Quarterly Minutes: Ap... | Local Authority Records |
| 20697 | Clare County Archives | | 1857
1890-1903 | One Reel of Microfilm:Rent Ledger by tenant for Burt... | |
| 525 | County Museum, Dundalk | Lot 507 | 1903-1912 | Minute Book of Louth Archaeological Society, 1903-19... | |
| 19079 | Cultural Heritage Services Library, Armagh | 333.53 | 1899-1903 | Bound rental books of the Armagh estate of Robert an... | |
| 11780 | Donegal County Archives | CH/BV/8/3/621 | 1903-1978 | County Donegal branch of the Irish Medical Associati... | |
| 932 | Dún Laoghaire-Rathdown County Council | LA4/ | 1903-1923 | Urban Rate, Rates Books:254 1 April 1903-31 March 19... | Kingstown/Dún Laoghaire |
| 3104 | Dún Laoghaire-Rathdown County Council | LA1/12 | 1902-1903 | Minutes of the Blackrock Town Commissioners and Urba... | Blackrock |
| 3189 | Dún Laoghaire-Rathdown County Council | LA2/20 | 1902-1903 | Irregular monthly reports of the Sub-Sanitary Office... | Dalkey |
| 3195 | Dún Laoghaire-Rathdown County Council | LA2/59 | 1903-1925 | Press cuttings, 23 April 1903-24 October 1925, past... | Dalkey |
| 3232 | Dún Laoghaire-Rathdown County Council | LA4/ | 1903-1905 | 160 Abattoir, Baths and Destructor Committee Minutes... | Kingstown/Dún Laoghaire |
| 20428 | Dún Laoghaire-Rathdown County Council | | 1903-1918 | Foundation cash book detailing monthly receipts for,... | Records of Dean's Grange Joint Burial Board |
| 12339 | Gilbert Library (Dublin City Library) | | 1903-1932
1942
1946 | This is a collection of printed works primarily by W... | Yeats Collection |
| 43 | Irish Dominican Congregation Archives | F2 | 1903 | Decree of Pope Pius X, 1903. | Dominican Archives, Cabra |
| 22138 | Irish Jesuit Archives | J27/ | 1903 | 49 A file of letters from Susan Gavan Duffy (daughte... | Papers of Fr Matthew Russell, SJ (1834 - 1912) |
| 22146 | Irish Jesuit Archives | J27/ | 1826-1903 | 75 22 January 1826 -12 August 1903. A file relating ... | Papers of Fr Matthew Russell, SJ (1834 - 1912) |
| 22165 | Irish Jesuit Archives | J27/ | 1903 | 137 30 October 1903. Letter from Honor Walsh, 440 Qu... | Papers of Fr Matthew Russell, SJ (1834 - 1912) |
| 22255 | Irish Jesuit Archives | J27/ | 1903 | 6 A file containing letters from Mary H. Allies, 3 L... | Papers of Fr Matthew Russell, SJ (1834 - 1912) |
| 20017 | Irish Medical Organisation | | 1903-1936 | British Medical Association:Minute Books, Irish comm... | British Medical Association |
| 24531 | Irish National Teachers' Organisation | | 1868-1903
1904-1966 | Union Journals: Irish Teachers Journal, 1868-1903 Ir... | |
| 24534 | Irish National Teachers' Organisation | | 1903
1904 | Report on Reformatory and Industrial Schools of Irel... | |
| 2053 | Kerry Local Studies and Archives Department | BG154/B/ | 1842-1903 | Letter Books:1. 25 August 1842 - 23 December 1843 Of... | Tralee Poor Law Union |
| 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 |
| 20841 | Kildare Local Studies, Genealogy and Archives Department | Miscellaneous Records | 1903-1907 | Incomplete Index for undated Register of Admission a... | Athy Poor Law Union |
| 3355 | Kilkenny Local Studies Department | RDC57/AL | 1903-1913 | Sanitary Committee Minute Books (under Labourers'... | Castlecomer Rural District Council |
| 4872 | King's Inns Library | L/1/2 | 1903-1948 | Roll Book giving lecture course, names, attendance f... | Records of the Honorable Society of King's Inns |
| 21697 | Laois Local Studies | | 1903-1907
1909-1916 | Minute Book of Cloneygowan Rural District Council: 1... | Laois Local Authority Records |
| 22294 | Leitrim Local Studies Department | | 1903-1904
1914-1921
1896 | Unidentified Letter Books:18961903-19041914-1921 | Carrick-on-Shannon Rural District Council |
| 13286 | Limerick Museum | AQNO (1987.63) | 1903 | Book, 'The Limerick-Huntingdon Ferrars', private pri... | |
| 20060 | Little Company of Mary Sisters | LCM1 | 1903-1951
1989 | 1/1/7 Exercise book of circular letters, no date, Co... | Mother Mary Potter, Foundress |
| 445 | Longford Archives and Local Studies | | 1789-1903 | Newcastle, County Longford:Allocation Schedule: Colo... | King-Harman Estate |
| 1081 | Loreto Archives | P2/3 C6 | 1881-1882, 1903-1916 | South Africa business correspondence includes:23 Jul... | South Africa Business Correspondence |
| 5728 | Louth County Archives | BG76/A | 1874-1903 | Minute Books:18 - June 1874 - July 187519 - January ... | Drogheda Poor Law Union |
| 5729 | Louth County Archives | BG76/A | 1903-1919 | Drogheda Poor Law Union Minute Books:35 - April 1903... | Drogheda Poor Law Union |
| 14511 | Mayo Local History Department | | 1903-1923 | Estimate of Demands made to County Council, 1903-192... | Ballinrobe Rural District Council |
| 14512 | Mayo Local History Department | | 1903-1921 | Register of Cases of Infectious Diseases, 1903-1921 | Ballinrobe Rural District Council |
| 14536 | Mayo Local History Department | | 1899-1903 | Damp Press Letter Book, 1899-1903. | Castlebar Rural District Council |
| 14547 | Mayo Local History Department | | 1903-1909 | Damp-press Letter Book, outgoing letters, 1903-1909. | Ballina Urban District Council |
| 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 |
| 5654 | Meath Local Studies and Family History Department | BG/133/A/ | 1894-1903 | Minute Books:51 April - October 189453 May - Novembe... | Oldcastle Poor Law Union |
| 5655 | Meath Local Studies and Family History Department | BG/133/A/ | 1903-1914 | Minute Books:68 May 1903 - November 190371 December ... | Oldcastle Poor Law Union |
| 20160 | Meath Local Studies and Family History Department | Box C/ | 1903 | 21 Farm receipts, 1903. | Mountainstown Documents |
| 20178 | Meath Local Studies and Family History Department | Box C/ | 1903-1904 | 35 Letters claiming compensation for fowl killed by ... | Mountainstown Documents |
| 20299 | Meath Local Studies and Family History Department | Box A/ | 1903-1904 | 4 Account for keeping filly, 1903-1904. | Mountainstown Documents |
| 22859 | Methodist Historical Society of Ireland | | 1903-1909 | Mountpottinger [Methodist] Sunday School: Librarian'... | |
| 2111 | Monaghan County Museum | | 1855-1903 | Monaghan Urban District Council Rate Books, 1855-190... | |
| 20047 | Monaghan County Museum | | 1903-1930 | Clones Urban District Council Minute Books:1976:77D ... | |
| 21570 | Monaghan County Museum | | 1855-1903 | Rate Collection Books, Monaghan Urban, 1855-1903 | |
| 562 | National Archives of Ireland | BG/137/ | 1895-1903 | Rathdown Poor Law Union Minute Books:A105 Half year ... | Rathdown Poor Law Union and Rural District Council |
| 730 | National Archives of Ireland | BG/79/DB1 | 1903 | Weekly returns of Inmates in outside workhouses: Apr... | South Dublin Poor Law Union and Rural District Council |
| 795 | National Archives of Ireland | 999/726 | 1903 | 1903, Material relating to Hatty Urquhart's stay in ... | |
| 585 | National Archives of Ireland | BG/137/ | 1886-1903 | Letters from Poor Law Commissioners and Local Govern... | Rathdown Poor Law Union and Rural District Council |
| 643 | National Archives of Ireland | BG/137/ | 1903-1925 | Rathdown Rural District number 2 Outward Letter Book... | Rathdown Poor Law Union and Rural District Council |
| 3286 | National Archives of Ireland | BG111/CKA/ | 1903-1919 | Lismore Poor Law Union, Summary of Invoices of the m... | Lismore Poor Law Union |
| 3329 | National Archives of Ireland | BG111/QA | 1903-1921 | Lismore Poor Law Union, Labourers' Cottages Rent Col... | Lismore Poor Law Union |
| 3917 | National Archives of Ireland | T224D | 1903-1928 | Industrial and Provident Societies.Poulterers and Fi... | Registry of Friendly Societies |
| 3941 | National Archives of Ireland | s28726 | 1898-1903 | Maude Gonne McBride, activities of 1898-1903, 24 Jul... | Crime Branch Special Records |
| 4948 | National Archives of Ireland | 1088/478-1088/478/1 | 1903-1929 | File relating to Greenan's Cross Co-operative Agricu... | Irish Agricultural Organisation Society |
| 8845 | National Archives of Ireland | IB/3/15 | 1903 | Wills and other Testamentary Records: District Regis... | |
| 11495 | National Archives of Ireland | 1189/15/6 | 1901-1903 | Letters to John Woulfe Flanagan from Edward, Frances... | Woulfe Flanagan |
| 11496 | National Archives of Ireland | 1189/15/8 | 1898-1903 | Letters to John Woulfe Flanagan, [1898]; 18 January... | Woulfe Flanagan |
| 11497 | National Archives of Ireland | 1189/15/10 | 1901-1903 | Miscellaneous correspondence, 1901-1903, includes le... | Woulfe Flanagan |
| 11499 | National Archives of Ireland | 1189/17/8 | 1903-1908 | Letters to John Woulfe Flanagan, 1 August 1903 - 1 M... | Woulfe Flanagan |
| 14111 | National Archives of Ireland | 1190/4 | 1903-1936 | Miscellaneous single items of correspondence, 1903-1... | Sweetman Correspondence |
| 15424 | National Archives of Ireland | 99/56/10/47/1
99/56/10 | 1903
1919 | Papers relating to King's County.
Deed of partners... | Family and estate records. 1611-1948 |
| 15444 | National Archives of Ireland | 999/15/1 | 1903 | Official copy grant of administration intestate of t... | Small Private Accessions |
| 15467 | National Archives of Ireland | 999/47/4-20 | 1880-1903 | Letters from Hunt W. Hardman, solicitor, 2 Foster Pl... | Small Private Accessions |
| 969 | National Library of Ireland | Ms11380 | 1903-1918 | Two etters of Countess Plunkett to Count Plunkett, 1... | Count Plunkett Collection |
| 1503 | National Library of Ireland | Mss2037-9 | 1903-1933 | Hunting albums, including photographs, of Minnie Fit... | |
| 1920 | National Library of Ireland | Ms4211 | 1903 | An anonymous play entitled 'The Causeway' by a woman... | |
| 1981 | National Library of Ireland | Ms5975 | 1903-1909 | Includes letters from W G Fay to Lady Gregory in con... | |
| 2491 | National Library of Ireland | Mss2037-2039 | 1903-1933 | Hunting album, including photographs, of Minnie Fitz... | |
| 2550 | National Library of Ireland | Ms5975 | 1903-1909 | Includes comments on the actor, Brigit O'Dempsey, as... | |
| 2438 | National Library of Ireland | Ms8684 | 1793-c1903 | Miscellaneous documents including letters and invita... | |
| 2655 | National Library of Ireland | Ms8617 | 1903-1912 | Letters in English and Irish from P H Pearse to Mrs ... | Mary Hutton Papers |
| 2698 | National Library of Ireland | Ms10457 | 1903-1928 | One hundred and sixty letters to Alice Stopford Gree... | Alice Stopford Green Papers |
| 3489 | National Library of Ireland | Ms10891 | 1903-1939 | Letters and other papers concerning St Brigid's Coll... | Eoin Mac Neill Papers |
| 3510 | National Library of Ireland | Ms10854 | 1903-1916 | Letters of and to Thomas Mc Donogh, including: An un... | Thomas Mc Donagh Papers |
| 9058 | National Library of Ireland | Ms13947 | 1903-1916 | Statement of Nora and Lillie Connolly about their la... | William O'Brien Papers |
| 9125 | National Library of Ireland | Ms14748 | 1903-1914 | Titles and notes on books read and worth reading, by... | Inchiquin Papers |
| 9226 | National Library of Ireland | Ms15451 | 1900-1903 | Two letters to Miss C.M. Doyle concerning Gaelic Lea... | |
| 9448 | National Library of Ireland | Ms24695 | 1872-1903 | Correspondence of Henry Windsor Villiers-Stuart, Mar... | Villiers-Stuart Papers |
| 9478 | National Library of Ireland | Ms25056 | c1899-1903 | Tenants' Notebook of the estate of Marquess of Ormon... | Ormonde Papers |
| 9506 | National Library of Ireland | Ms26760 | 1903-1913 | Letters from Major John MacBride. Includes a letter ... | Frederick J. Allan Papers |
| 9739 | National Library of Ireland | Ms18312 | 1903 | Four letters from Annie [Horniman], March-October 19... | |
| 10651 | National Library of Ireland | Mss16627-16683 | 1878-1903 | Diaries of Mary Hayden, Irish historian, 1878-1903, ... | |
| 10718 | National Library of Ireland | Mss19567-19571 | c1903-1927 | Five Household and General Expenses Books of Augusta... | |
| 10833 | National Library of Ireland | Ms21152 | 1885-1903 | A return showing the number of holdings sold to tena... | |
| 10855 | National Library of Ireland | Ms21280 | 1903-1906 | Twelve letters from George Moore to Baroness Franzis... | |
| 10863 | National Library of Ireland | Mss 21379-21381 | [1903-1924] | Typescripts of plays and parts in plays by Lady Greg... | Abbey Theatre Papers |
| 11546 | National Library of Ireland | MsG244/56-74 | 1903-1906 | Folktales submitted by `Barr Aille' [`Miss Folan, Ar... | |
| 4467 | National Maternity Hospital | NMH/59 | 1903 | Hospital Charter, 14 May 1903. Patent granting Chart... | |
| 18928 | Offaly Archives | OCL PTC40/1/ | 1865-1903 | 4 Minute Books:1: July 1865 - June 1875 (note: inclu... | Records of Parsonstown Town Commissioners |
| 18832 | Offaly Archives | OCL P87 | 1903-1962 | Papers, notes, publications, and artefacts mainly re... | Papers of Fr Joseph Hurley |
| 18991 | Offaly Archives | OHS77/2/ | 1863-1903 | Papers of Maria Blanche Plunkett-Johnston. 2 volumes... | Woodfield Papers |
| 18848 | Offaly Archives | OCL BUDC30/1/ | 1903-1989 | 11 Minute Books:1: June 1903 - July 1907 (with abstr... | Records of Birr Urban District Council |
| 11866 | OPW-Maynooth University Archive and Research Centre (OMARC) | Box 91 | 1903-1993 | Motoring: Additions Box 91Includes:Notebook relating... | Airfield Archive |
| 11870 | OPW-Maynooth University Archive and Research Centre (OMARC) | Box 95 | 1903-1991 | Motoring: R.I.A.C., Leinster Motor Club, Munster Mot... | Airfield Archive |
| 11864 | OPW-Maynooth University Archive and Research Centre (OMARC) | Boxes 87,90 | 1903-1993 | Motoring: Irish Veteran and Vintage Car Club Boxes 8... | Airfield Archive |
| 11865 | OPW-Maynooth University Archive and Research Centre (OMARC) | Box 88 | 1903-1993 | Motoring Garage Receipts Box 88Includes:Invoices, re... | Airfield Archive |
| 11867 | OPW-Maynooth University Archive and Research Centre (OMARC) | Box 92 | 1903-1991 | Motoring: Log Books, Drivers Licences and Road Maps ... | Airfield Archive |
| 11868 | OPW-Maynooth University Archive and Research Centre (OMARC) | Box 93 | 1903-1991 | Motoring: Rolls Royce Box 93 Includes, among other d... | Airfield Archive |
| 11869 | OPW-Maynooth University Archive and Research Centre (OMARC) | Box 94 | 1903-1991 | Motoring: Austin, Peugeot, Volvo, Rover, 20-Ghost Cl... | Airfield Archive |
| 21398 | Our Lady's Hospital, Cork | | 1903 | Photograph of the Cork Asylum Staff Orchestra, 1903. | |
| 16524 | Presentation Sisters Congregational Archives | DON1/1 | 1818-1903
1912-1968 | Annals of the convent in two volumes. (1) 1818-190... | Presentation Sisters South West Province - St Joseph's Convent, Doneraile |
| 7041 | Public Record Office of Northern Ireland | D/2629 | 1864-1903 | 19 documents comprising of title deeds and testament... | |
| 7203 | Public Record Office of Northern Ireland | D/3080 | 1903-1956 | Records of J.L. Galway and Hawthorne Solicitors, Bel... | |
| 7356 | Public Record Office of Northern Ireland | D/3810 | 1894-1903 | 12 photographic albums, include family photographs o... | |
| 7893 | Public Record Office of Northern Ireland | T/1140/1-2 | 1903 | Copies of the amended and abbreviated programmes of ... | |
| 6614 | Public Record Office of Northern Ireland | D/1741 | 1673-1903 | This collection of 60 documents dated 1637-1903, inc... | |
| 6624 | Public Record Office of Northern Ireland | D/1757/2 | 1819-1903 | 8 emigrant letters, including: A letter from William... | |
| 6739 | Public Record Office of Northern Ireland | D/2086 | 1903-1983 | 23 volumes, c.3,000 case files, 850 letters and c.75... | Bryson House Records |
| 7039 | Public Record Office of Northern Ireland | D/2626 | 1825-1903 | 7 documents relating to the Fitzpatrick family, Belf... | |
| 7064 | Public Record Office of Northern Ireland | D/2685 | 1721-1903 | The papers of the Tighe family of Counties Kilkenny ... | |
| 7070 | Public Record Office of Northern Ireland | D/2700/2 | 1903 | A letter from John Gribben, Chicago, United States, ... | |
| 7159 | Public Record Office of Northern Ireland | D/2977/5/3 | 1863-1903 | Correspondence in the Earl of Antrim Papers relating... | Earl of Antrim Papers |
| 7217 | Public Record Office of Northern Ireland | D/3134 | 1903-1956 | Memoir of the working life of William Topping in whi... | |
| 7330 | Public Record Office of Northern Ireland | D/3723 | 1903-1960 | Business records of Stuart Ross, solicitors, Londond... | |
| 7410 | Public Record Office of Northern Ireland | D/3960 | 1903 | Album of photographs and press cuttings commemoratin... | |
| 7462 | Public Record Office of Northern Ireland | D/4100/ | 1831-1903 | D/4100/13 2 letters from Cecil Lothian (nee Talbot) ... | |
| 7678 | Public Record Office of Northern Ireland | LA/32 | 1903-1973 | Local Authority records are closed for 30 years from... | Dromore Urban District Council Records |
| 7991 | Public Record Office of Northern Ireland | T/144/1 | 1903 | Copy of chancery scheme relating to Jane Maria Gordo... | |
| 8053 | Public Record Office of Northern Ireland | T/1611/1-7 | 1829-1903 | Copies of 7 emigrant letters from members of the Gil... | |
| 8125 | Public Record Office of Northern Ireland | T/1866 | 1883-1903 | T/1866/7 Copy of the first emigrant letter home fro... | |
| 8126 | Public Record Office of Northern Ireland | T/1866/1 | 1868-1903 | Copies of letters from Miss Thompson, Wayside, Artic... | |
| 8210 | Public Record Office of Northern Ireland | T/2074/1 | 1785-1903 | Birth entries copied from a family bible of the Gray... | |
| 8285 | Public Record Office of Northern Ireland | T/2287/1-2 | 1600-1900
1903 | Genealogy and genealogical notes on the Richardson f... | |
| 21472 | Queen's University Belfast Special Collections and Archives | MS74 | 1903-1965 | MS 1/211 Medical Institute Belfast. Trustees minute ... | QUB Miscellaneous Manuscripts |
| 483 | Religious Society of Friends in Ireland Historical Library | Portfolio 8A | 1824-1903 | Miscellaneous: 1 Letter from Lieutenant Close to An... | Handlists/Portfolio |
| 1224 | Religious Society of Friends in Ireland Historical Library | P426 | 1903 | Woodbrook Summer School, 1903. | Photographic Collections |
| 3553 | Religious Society of Friends in Ireland Historical Library | MM/XIIO1/Reel 20 | 1842-1903 | Disownment and Admission Register, Lisburn Monthly M... | |
| 22070 | Representative Church Body Library | B5 | 1857-1866
1877-1903 | Holy Trinity Parish, Registers of Baptisms:July 1857... | St Fin Barre's Cathedral Cork Archive |
| 23729 | Representative Church Body Library | MS607/ | 1871-1903
1904-1927
1928-1946 | Financial Records: 3/ Ledgers: 1: 1871-1903 2: 1904-... | Records of the Mageough Home, Dublin |
| 74 | Roscommon Local Studies and Archives | | 1903-1916 | Rural District Council Minutes (Digitised):Carrick-o... | Carrick-on-Shannon Local Authority Records |
| 25099 | Royal Irish Academy | 24/O/35-37a-c | 1861-1903 | 24/O/35 Envelope containing photographs of George an... | G.H. Kinahan |
| 24913 | Royal Irish Academy of Music | | 1889-1903 | 4/1 13 November 1889 - 16 January 1903. Pagination 1... | |
| 24914 | Royal Irish Academy of Music | | 1903-1926 | 4/2 6 February 1903 - 4 October 1912. Pagination 1-1... | |
| 24943 | Royal Irish Academy of Music | 1120/3 | 1901-1903 | 3: 26 November 1901 - 17 February 1903, on routine, ... | |
| 24965 | Royal Irish Academy of Music | 1120/11 | 1903-1905 | 3: 1903 - 1905, register of pupils in RIAM, arranged... | |
| 13126 | Sligo Archives Service | F.C./D.2/18 | 1847-1903 | Rental of John Guthin's property, 1847-1853. Rental... | Gehin Estate |
| 13287 | Sligo Archives Service | | 1903-1924 | Sligo County Council, Register of Motor Cars, 1903-1... | Sligo County Council |
| 22718 | South Eastern Education and Library Board Local History Collection | | 1903-1932 | Minutes from meetings of Miss Elizabeth Saul's trust... | Local Studies Collection |
| 22719 | South Eastern Education and Library Board Local History Collection | | 1903 | Lists of 'deserving poor persons' who received money... | Local Studies Collection |
| 22743 | Tower Museum, Derry-Londonderry | | 1898-1903 | School of Science and Art, Derry: Register, includin... | |
| 22750 | Tower Museum, Derry-Londonderry | | 1903-1937 | Inward Derry City Council letter books: 1903-1937. | |
| 6402 | Trinity College Dublin, Manuscripts and Archives Department | TCDMss10247/1/985-990 | 1888
1903 | Letters of [?Edith] C[lara] Wynne, daughter of Revd.... | Wynne Family Papers |
| 6422 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs10797 | 1888-1903 | Notebook kept by Mildred Ann Butler concerning her p... | Butler Collection |
| 10137 | Trinity College Dublin, Manuscripts and Archives Department | TCDMss7852-78555 | 1903-1922 | Letters from R.E. Childers to M.A. Childers: TCDMs78... | Erskine Childers Papers |
| 10138 | Trinity College Dublin, Manuscripts and Archives Department | TCDMss7856-78660 | 1903-1922 | Letters from M A Childers to R E Childers: TCDMs7856... | Erskine Childers Papers |
| 10140 | Trinity College Dublin, Manuscripts and Archives Department | TCDMss7862/1-145 | 1903-1951 | Letters of M A Childers to relatives, arranged chron... | Erskine Childers Papers |
| 10150 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs7873 | 1903-1942 | Letters from Gretchen (Greta), nee Osgood, and her h... | Erskine Childers Papers |
| 10287 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs7111 | 1903-1952 | Correspondence, 1903-1952, of Eleanor Knott, Profess... | |
| 10314 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs4505 | 1903 | Commonplace Book of Estella Solomons containing pros... | O'Sullivan/Solomons Collection |
| 10447 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs6720 | 1903-1904 | Personal and General Accounts of Elizabeth Dillon, 1... | Dillon Papers |
| 10515 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs1931 | 1867-1903 | Correspondence of Mrs Catherina Elizabeth Lecky, nee... | Lecky Papers |
| 11272 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs10247/1/1226 | 1903 | Letter from Emily [?Falkiner Goold] Wynne, married H... | Wynne Family Papers |
| 11275 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs102471/1291-1295 | 1903-1922 | Lettters of Florence Anna [Floss] Wynne to: Alice Ka... | Wynne Family Papers |
| 11277 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs10247/1/1312-14 | 1899-1903 | Postcards from Frank Wynne to Winifred Wynne: 1899 1... | Wynne Family Papers |
| 11675 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs5312 | 1894-1903 | Incorporated Society for Promoting Protestant School... | Incorporated Society for Promoting Protestant Schools in Ireland |
| 11948 | Trinity College Dublin, Manuscripts and Archives Department | TCDMss1827-1836 | 1859-1903 | Correspondence of William Edward Hartpole Lecky, inc... | Lecky Papers |
| 11962 | Trinity College Dublin, Manuscripts and Archives Department | TCDMss4047-4173 | 1903
1916 | Music manuscripts of Miss Selina Boyle, these includ... | Ina Boyle Papers |
| 9856 | UCC Special Collections & Archives | BL/EP/G/1390-1395 | 1902-1903 | 6 volumes of the Family Journal. The family journal ... | Grehan Estate Collection |
| 24160 | Union Theological College | | 1903 | It was noted that 'there is nothing contrary to the ... | |
| 18412 | University of Galway Archives | LE33 | 1903 | Notice of auction of the household furniture and a s... | Corbishley Family of St. John’s Athenry |
| 18442 | University of Galway Archives | T4 | 1903-2003 | Material relating to productions by the Lyric Player... | Lyric Theatre/ O'Malley Archive |
| 4553 | Waterford City Archives | | 1903 | Annual Report of the County and City Infirmary, 1903... | Waterford City and County Infirmary |
| 5952 | Waterford City Archives | EST10/ | 1885-1903 | Corporation Estate Rentals:1: Year Ending 1 Septembe... | Record of the Estate Office |
| 5956 | Waterford City Archives | CLA | 1889-1903 | Maintenance of Children at Industrial Schools: Accou... | Records of the City Law Adviser |
| 23369 | Waterford City Archives | P01/ | 1903 | 079: De Lacey Pipe Bands: Photographer: Poole De Lac... | Photographic Collections |
| 9951 | Waterford County Archives | RDC/YGHL/21-23 | 1900-1918
1903-1915 | 21 6 November 1900-[1918], File containing letters s... | Youghal Rural District Council |
| 1473 | Wexford County Archive | | 1903-1921 | Wexford Rural District Council Minute Books: 18 July... | Local Authority Records |