Callen vs Killian

Baby Name Comparison — 2026

Callen

Boy #478 Most Popular 2 Syllables

"battle"

Origin: Scottish Gaelic

Scottish Irish American

✓ All Clear

Boy #370 Most Popular 3 Syllables

"associated with the church"

Origin: Irish Gaelic

Irish French American English

✓ All Clear

Callen Rank #478

Killian Rank #370

Killian is more popular, ranked #370 vs #478 for Callen.

Is Callen or Killian more popular?

Killian is more popular, ranked #370 compared to Callen at #478 in the United States.

What do Callen and Killian mean?

Callen means "battle" (Scottish Gaelic origin). Killian means "associated with the church" (Irish Gaelic origin).

Are Callen and Killian boy or girl names?

Callen is primarily a boy name. Killian is primarily a boy name.