Koa vs Killian

Baby Name Comparison — 2026

Koa

Boy #292 Most Popular 2 Syllables

"warrior, brave one"

Origin: Hawaiian

Hawaiian American Pacific Islander

✓ All Clear

Boy #370 Most Popular 3 Syllables

"associated with the church"

Origin: Irish Gaelic

Irish French American English

✓ All Clear

Koa Rank #292

Killian Rank #370

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

Is Koa or Killian more popular?

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

What do Koa and Killian mean?

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

Are Koa and Killian boy or girl names?

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