People — T
Thomas O'Connor
1815 – 1901
politician
Thomas O'Connor
1817 – 1887
rancher
Thomas O'Dea
1858 – 1923
Catholic priest
Thomas O'Doherty
1877 – 1936
Catholic priest
Thomas O'Donahue
1887 – 1951
athletics competitor
Thomas O'Donnell
b. 1996
cricketer
Thomas O'Donnell
1871 – 1943
judge
Thomas O'Donnell
1876 – 1945
politician
Thomas O'Donoghue
1890 – 1999
politician
Thomas O'Driscoll
1838 – 1891
Thomas O. Edwards
1810 – 1876
politician
Thomas O. Enders
1932 – 1996
diplomat
Thomas O'Gorman
1843 – 1921
Catholic priest
Thomas O'Hagan
1903 – 1958
judge
Thomas O'Halloran
1904 – 1956
Australian rules football player
Thomas O'Halloran
1797 – 1870
military officer
Thomas O'Hanlon
1837 – 1897
politician
Thomas O'Hara
1911 – 1984
politician
Thomas O'Herlahy
Catholic bishop
Thomas O. Hicks, Jr.
entrepreneur
Thomas O. Larkin
1802 – 1858
merchant
Thomas O'Loughlin
b. 1958
historian of religion
Thomas O'Mahony
politician
Thomas O'Malley
1903 – 1979
politician
Thomas O'Malley
b. 1967
Thomas O'Mara
1847 – 1891
politician
Thomas O. Marshall
1920 – 2003
lawyer
Thomas O. Melia
b. 1957
Thomas O. Miles
1789 – 1858
politician
Thomas O'Nahan
Thomas O'Neil
1936 – 2018
cricketer
Thomas O'Neill
b. 1821
politician
Thomas O'Neill
1904 – 1971
journalist
Thomas O'Neill
1882 – 1965
politician
Thomas O'Neill Russell
1828 – 1908
writer
Thomas O. Osborn
1832 – 1904
military officer
Thomas O. Paine
1921 – 1992
scientist
Thomas O. Perry
1847 – 1927
engineer
Thomas O'Regan
1956 – 2020
cultural studies scholar
Thomas O'Reilly
politician
Thomas O'Reilly
1831 – 1872
Thomas O'Reilly
1875 – 1944
politician
Thomas O. Rice
b. 1960
lawyer
Thomas O'Riordan
1937 – 2022
long-distance runner
Thomas O'Rourke
b. 1934
sport cyclist
Thomas O. Ryder
b. 1944
Amazon (company)
Thomas O. Seaver
1833 – 1912
lawyer
Thomas O. Selfridge
1804 – 1902
military officer
Thomas O. Selfridge, Jr.
1836 – 1924
military officer
Thomas O'Shaughnessy
1850 – 1933
barrister
Thomas O'Shea
1870 – 1954
Catholic priest
Thomas O. Shores
1916 – 2022
politician
Thomas O. Staggs
b. 1961
chief operating officer
Thomas O. Streissguth
1889 – 1950
judge
Thomas O'Sullivan
1856 – 1953
politician
Thomas O'Toole
1931 – 2003
journalist
Thomas O'Ware
b. 1993
association football player
Thomas Oakes
b. 1874
association football player
Thomas Oakes
civil engineer
Thomas Oakland
1939 – 2015
educational psychologist
Thomas Oakley
1879 – 1936
politician
Thomas Oates
1875 – 1949
cricketer
Thomas Oates
priest
Thomas Oatley
Thomas Öberg
b. 1958
figure skater
Thomas Öberg
b. 1967
singer
Thomas Obi
b. 1932
sprinter
Thomas Obicini
1585 – 1632
orientalist
Thomas Oboe Lee
b. 1945
composer
Thomas O’Callaghan
1839 – 1916
Catholic priest
Thomas Octavius Prichard
1808 – 1847
psychiatrist
Thomas Odell
1691 – 1749
playwright
Thomas Oden Lambdin
1927 – 2020
linguist
Thomas Odoyo
b. 1978
cricketer
Thomas Odukoya
b. 1997
American football player
Thomas Oelsner
b. 1970
biathlete
Thomas of Argos
Thomas of Bayeux
Catholic priest
Thomas of Britain
writer
Thomas of Brotherton, 1st Earl of Norfolk
1300 – 1338
aristocrat
Thomas of Buckingham
Thomas of Cana
missionary
Thomas of Cantimpré
1201 – 1270
hagiographer
Thomas of Capua
1170 – 1243
Catholic priest
Thomas of Celano
1190 – 1260
poet
Thomas of Chobham
1160 – 1230
theologian
Thomas of Corbridge
Catholic priest
Thomas of Cori
1655 – 1729
presbyter
Thomas of Dover
Thomas of Eccleston
historian
Thomas of Edessa
writer
Thomas of Erfurt
1300 – 1350
philosopher
Thomas of Frignano
1305 – 1381
Catholic priest
Thomas of Galloway
b. 1250
Thomas of Galloway
1101 – 1231
aristocrat
Thomas of Hales
poet
Thomas of Harqel
550 – 601
bishop
Thomas of Hvar
diplomat
Thomas of Ireland
1265 – 1317
writer
Thomas of Jesus
1529 – 1582
writer