Baby name
Killian
/KIL · ee · an/
Meaning
“Bright-headed”
From Irish Cillín meaning 'bright-headed', 'little warlike one', or from cill meaning 'church'.
How it ages.
Irish and energetic, the double-l spelling has more of an Irish feel than Killian/Cillian.
The cultural moment.
Rising in Ireland, France, and the US; the Cillian Murphy association (Peaky Blinders) is definitely helping.