Killian is a ♂ boy’s name.
Killian is an Anglicized and French variant of the name Cillian and derives from Celtic Ceallach or Irish Cillín.
Killian means “little warrior” and “bright-headed” (from Celtic “ceallach” = war/battle/strife/bright-headed) and “monk’s cell” or “little church” (from Irish “ceall” = church/monastery).
The name Killian is ranked #256 overall.
Find more beautiful first names!
Download our free baby name app and swipe a wonderful name together with your partner!