Origin and Meaning of Callahan

Meaning & Origin

Descendant of the bright-headed one

Origin: Irish - Derived from the Gaelic surname O'Ceallachain, where 'Ceallach' means 'bright-headed' or 'slender.'

Interesting Facts

  • Callahan is traditionally an Irish surname, but has gained popularity as a given name, especially in the United States.
  • The surname O'Ceallachain has historical roots in several counties across Ireland, notably in County Kerry.
  • Notable bearers include Callahan Walsh, an American television personality and wildlife expert.
  • In recent years, Callahan has seen a rise in popularity as a first name, particularly among boys.
  • Variations and related names include Calla, Callie, and the feminine version Callie Ann.