Killian vs Callan

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 #242 Most Popular 2 Syllables

"little battle"

Origin: Scottish Gaelic

Scottish Irish American

✓ All Clear

Killian Rank #370

Callan Rank #242

Callan is more popular, ranked #242 vs #370 for Killian.

Is Killian or Callan more popular?

Callan is more popular, ranked #242 compared to Killian at #370 in the United States.

What do Killian and Callan mean?

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

Are Killian and Callan boy or girl names?

Killian is primarily a boy name. Callan is primarily a boy name.