Bryan vs Cillian

Baby Name Comparison — 2026

Bryan

Boy #306 Most Popular 2 Syllables

Irish Celtic English American

✓ All Clear

Boy #464 Most Popular 3 Syllables

"strife, war"

Origin: Old Irish

Irish Celtic

✓ All Clear

Bryan Rank #306

Cillian Rank #464

Bryan is more popular, ranked #306 vs #464 for Cillian.

Is Bryan or Cillian more popular?

Bryan is more popular, ranked #306 compared to Cillian at #464 in the United States.

What do Bryan and Cillian mean?

Cillian means "strife, war" (Old Irish origin).

Are Bryan and Cillian boy or girl names?

Bryan is primarily a boy name. Cillian is primarily a boy name.