Ó Ceallacháin

Ó Ceallacháin,^[1] primarily anglicised O'Callaghan as well as variants of Callihan, is an Irish surname. Notable people with the surname include:

• Pat O'Callaghan (1906–1991), Irish hammer-thrower
• Seán Óg Ó Ceallacháin (1923–2013), journalist, author and broadcaster
• Bill Callihan (1916–1986), American football player
• Mike Callihan (b. 1947), Lieutenant Governor of Colorado
• Ryan Callahan, American hockey player
• Shane Callahan (b. 1995), American actor

See also

• Callahan (disambiguation)
• Callaghan (disambiguation)