Killian vs Kayson

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 #291 Most Popular 2 Syllables

"rejoice, healer"

Origin: American/Persian

American

✓ All Clear

Killian Rank #370

Kayson Rank #291

Kayson is more popular, ranked #291 vs #370 for Killian.

Is Killian or Kayson more popular?

Kayson is more popular, ranked #291 compared to Killian at #370 in the United States.

What do Killian and Kayson mean?

Killian means "associated with the church" (Irish Gaelic origin). Kayson means "rejoice, healer" (American/Persian origin).

Are Killian and Kayson boy or girl names?

Killian is primarily a boy name. Kayson is primarily a boy name.