Killian vs Koa

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 #292 Most Popular 2 Syllables

"warrior, brave one"

Origin: Hawaiian

Hawaiian American Pacific Islander

✓ All Clear

Killian Rank #370

Koa Rank #292

Koa is more popular, ranked #292 vs #370 for Killian.

Is Killian or Koa more popular?

Koa is more popular, ranked #292 compared to Killian at #370 in the United States.

What do Killian and Koa mean?

Killian means "associated with the church" (Irish Gaelic origin). Koa means "warrior, brave one" (Hawaiian origin).

Are Killian and Koa boy or girl names?

Killian is primarily a boy name. Koa is primarily a boy name.