Callan comes from an Irish surname, an anglicized form of Gaelic Ó Cathaláin meaning “descendant of Cathalán”, Cathalán a diminutive of Cathal meaning “battle fury” or “battle ardor”, made up from Old Irish cath (battle, fight) and gal (valor; fury; ardor).
Origin: Proto-Indo-European, Proto-Celtic
Meaning: battle fury, battle ardor
Usage: Scottish, Irish, English
- Kallan (English)