People — H
Henry O'Callaghan
1827 – 1904
Catholic priest
Henry O'Connor
b. 1940
politician
Henry Ó Cormacáin
Henry O. Crawford
1901 – 1967
Henry O'Donnell
b. 2003
rugby union player
Henry O'Donnell
1852 – 1928
Henry O'Donnell, 1st Count of la Bisbal
1776 – 1834
military personnel
Henry O. Fairbanks
1852 – 1928
politician
Henry O. Godwinn
b. 1964
professional wrestler
Henry O'Grady
1907 – 1990
association football player
Henry O'Hara
1843 – 1923
Anglican priest
Henry O'Hara O'Neill
1907 – 1994
rugby union player
Henry O. Kahan
1891 – 1932
lawyer
Henry O'Kane
b. 2002
rugby league player
Henry O'Keane
1763 – 1817
priest
Henry O'Leary
1832 – 1897
politician
Henry O. Macauley
1962 – 2023
politician
Henry O'Malley
1876 – 1936
military personnel
Henry O. Marcy
1837 – 1924
physician
Henry O. Mayfield
1907 – 1963
Henry Ó Mealláin
Henry O'Neil
1907 – 1997
Anglican priest
Henry O'Neill
1798 – 1880
painter
Henry O'Neill
1843 – 1915
Henry O'Neill
Henry O'Neill
1891 – 1961
stage actor
Henry O. Pollak
1927 – 2026
mathematician
Henry O'Reilly
1806 – 1886
businessperson
Henry O. Studley
1838 – 1925
joiner
Henry O. Wagoner
1816 – 1901
journalist
Henry Oakes
1796 – 1875
cricketer
Henry Oakes
1756 – 1827
military officer
Henry Oakley
1823 – 1912
Henry Oaminal
b. 1958
politician
Henry Oberbeck
1858 – 1921
baseball player
Henry Øberg
1931 – 2011
association football referee
Henry Oberholzer
1893 – 1953
artistic gymnast
Henry Obering
b. 1951
military officer
Henry Oberlander
b. 1927
Henry Obst
1906 – 1975
American football player
Henry Ochieng
b. 1998
association football player
Henry Octavius Coxe
1811 – 1881
librarian
Henry Oddie
1815 – 1869
cricketer
Henry Odein Ajumogobia
b. 1956
politician
Henry Odera Oruka
1944 – 1995
philosopher
Henry Odia
b. 1990
association football player
Henry Odillo
Henry Odom
b. 1959
American football player
Henry Oehler
1916 – 1991
handball player
Henry of Almain
1235 – 1271
aristocrat
Henry of Antioch
1210 – 1276
Henry of Appleford
Catholic monk
Henry of Asti
1300 – 1345
Catholic priest
Henry of Avranches
1190 – 1260
poet
Henry of Badewide
1001 – 1164
Henry of Bar
aristocrat
Henry of Bath
judge
Henry of Berg, Lord of Windeck
1247 – 1298
Henry of Bibra
1711 – 1788
Catholic priest
Henry of Blois
1096 – 1171
Catholic priest
Henry of Bohemia
1265 – 1335
ruler
Henry of Braybrooke
1188 – 1234
judge
Henry of Bremen
1201 – 1301
Catholic priest
Henry of Burgundy
1066 – 1112
politician
Henry of Burgundy
1035 – 1074
ruler
Henry of Coquet
anchorite
Henry of England
1267 – 1274
Henry of Esch
Henry of Flanders
1174 – 1216
Henry of France, Archbishop of Reims
1121 – 1175
Catholic priest
Henry of Franconia
850 – 886
soldier
Henry of Friemar
1250 – 1354
writer
Henry of Ghent
1217 – 1293
philosopher
Henry of Gorkum
1378 – 1431
philosopher
Henry of Groitzsch
1090 – 1135
ruler
Henry of Grosmont, 1st Duke of Lancaster
1310 – 1361
diplomat
Henry of Harclay
1270 – 1317
philosopher
Henry of Holyrood
Catholic bishop
Henry of Huntingdon
1080 – 1160
chronicler
Henry of Isenburg-Covern
Henry of Isenburg-Neumagen
1534 – 1554
Henry of Kalkar
1328 – 1408
mystic
Henry of Laach
1050 – 1095
feudatory
Henry of Langenstein
1325 – 1397
astronomer
Henry of Latvia
1187 – 1259
writer
Henry of Lausanne
monk
Henry of Lexington
1200 – 1258
Catholic priest
Henry of Lipá
1270 – 1329
military leader
Henry of Lorraine, Duke of Mayenne
1578 – 1621
military officer
Henry of Lusignan
Henry of Marcy
1136 – 1188
Catholic priest
Henry of Marle
1373 – 1418
politician
Henry of Masovia
1368 – 1392
Catholic priest
Henry of Nassau-Dillenburg
1550 – 1574
military personnel
Henry of Nassau-Siegen
1611 – 1652
diplomat
Henry of Newark
Catholic priest
Henry of Niemodlin
1345 – 1382
aristocrat
Henry of Nördlingen
1310 – 1356
writer
Henry of Opole
1338 – 1365
religious person
Henry of Oyta
1330 – 1397
theologian