Killian vs Callen

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 #478 Most Popular 2 Syllables

"battle"

Origin: Scottish Gaelic

Scottish Irish American

✓ All Clear

Killian Rank #370

Callen Rank #478

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

Is Killian or Callen more popular?

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

What do Killian and Callen mean?

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

Are Killian and Callen boy or girl names?

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