Baby name
RISING
🇩🇪 🇮🇪 🇬🇧 Cillian
/KIL · ee · uhn/
Meaning
“Bright-headed or warrior”
Irish derived from 'ceallach' meaning bright-headed or warrior. Modern Irish revival with strong contemporary momentum.
Nicknames
cill · kilian
Vibe
bolddistinctive
How it ages.
Cillian has surged in Ireland and UK since 2010, boosted by actor Cillian Murphy's profile.
The cultural moment.
Ireland and UK rising sharply; US adoption accelerating among parents seeking Irish heritage.