Halligan is a surname of Irish origin, deriving from Irish Ó hAilechain or Ó hAleagain. Bearers include:
Bob Halligan, Jr. (born 1953), American Christian rock musician Brendan Halligan (1936–2020), Irish economist and politician Brian Halligan, American CEO of HubSpot Caitlin Halligan (born 1966), American lawyer and judicial nominee Danny Halligan (born 1965), New Zealand soccer player Daryl Halligan (born 1966), New Zealand rugby league player Dick Halligan (1943–2022), American jazz-rock musician James Halligan (1778–1806), Irishman hanged for murder in America James Reginald Halligan (1894–1968), Australian public servant Jim Halligan (1936-2022), American politician from Oklahoma Jocko Halligan (1868–1945), US baseball player John Halligan (ice hockey) (1941–2010), US ice hockey executive John Halligan (born 1955), Irish politician John Halligan, Jr. (1876–1934), US Navy admiral Johnny Halligan (1899–1977), Scottish footballer Liam Halligan (born 1969), UK economist and journalist Lindsey Halligan, White House official Mike Halligan (born 1949), American politician from Montana Ray Halligan (born 1939), Australian politician Ryan Halligan (1989–2003), American student who committed suicide after being bullied Ursula Halligan, Irish broadcaster William Halligan (actor) (1883–1957), American stage and film actor William ("Billy") Halligan (1886–1950), Irish professional association football player William J. Halligan (1898–1992), founder of Hallicrafters
See also
Suicide of Ryan Halligan Senator Halligan (disambiguation)