Koa vs Sullivan

Baby Name Comparison — 2026

Koa

Boy #292 Most Popular 2 Syllables

"warrior, brave one"

Origin: Hawaiian

Hawaiian American Pacific Islander

✓ All Clear

Boy #340 Most Popular 3 Syllables

"descendant of the dark one"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Koa Rank #292

Sullivan Rank #340

Koa is more popular, ranked #292 vs #340 for Sullivan.

Is Koa or Sullivan more popular?

Koa is more popular, ranked #292 compared to Sullivan at #340 in the United States.

What do Koa and Sullivan mean?

Koa means "warrior, brave one" (Hawaiian origin). Sullivan means "descendant of the dark one" (Irish Gaelic origin).

Are Koa and Sullivan boy or girl names?

Koa is primarily a boy name. Sullivan is primarily a boy name.