Kasyn vs Kailo

Baby Name Comparison — 2026

Kasyn

Boy #2,055 Most Popular 2 Syllables

"vigilant in war"

Origin: Irish

American Irish

✓ All Clear

Boy #2,249 Most Popular 2 Syllables

"sea, ocean"

Origin: Hawaiian

American Contemporary Hawaiian

✓ All Clear

Kasyn Rank #2,055

Kailo Rank #2,249

Kasyn is more popular, ranked #2055 vs #2249 for Kailo.

Is Kasyn or Kailo more popular?

Kasyn is more popular, ranked #2055 compared to Kailo at #2249 in the United States.

What do Kasyn and Kailo mean?

Kasyn means "vigilant in war" (Irish origin). Kailo means "sea, ocean" (Hawaiian origin).

Are Kasyn and Kailo boy or girl names?

Kasyn is primarily a boy name. Kailo is primarily a boy name.