William O'Callaghan may refer to: *

William O'Callaghan (Irish Army officer) Lieutenant General William "Bull" O'Callaghan, BSD ( ga, Liam Ó Céallachgáin; 3 July 1921 – 26 December 2015) was an Irish Army officer. Early life O'Callaghan was born in Buttevant, County Cork, and joined the Irish Defence Forces at age 1 ...

(1921–2015), Irish Army officer * William Frederick Ormonde O'Callaghan (1852–1877), Irish MP * William O'Callaghan (politician) (died 1967), Irish senator *

Bill O'Callaghan William Henry O’Callaghan (1868 – 16 January 1946) was an Irish hurler who played as a forward for the Cork senior team. Born in Cork, O'Callaghan first arrived on the inter-county scene at the age of twenty-four when he first linked up wi ...

(1868–1946), hurler

See also