Killian vs Brian

Baby Name Comparison — 2026

Killian

Boy #370 Most Popular 3 Syllables

"associated with the church"

Origin: Irish Gaelic

Irish French American English

✓ All Clear

Boy #301 Most Popular 2 Syllables

"noble, high"

Origin: Celtic

Irish English American Scottish

✓ All Clear

Killian Rank #370

Brian Rank #301

Brian is more popular, ranked #301 vs #370 for Killian.

Is Killian or Brian more popular?

Brian is more popular, ranked #301 compared to Killian at #370 in the United States.

What do Killian and Brian mean?

Killian means "associated with the church" (Irish Gaelic origin). Brian means "noble, high" (Celtic origin).

Are Killian and Brian boy or girl names?

Killian is primarily a boy name. Brian is primarily a boy name.