Casyn vs Boy

Baby Name Comparison — 2026

Casyn

Boy #4,583 Most Popular 2 Syllables

"vigilant, watchful"

Origin: Irish Gaelic

American Irish English

✓ All Clear

Boy #4,506 Most Popular 2 Syllables

"young male, beloved son"

Origin: Filipino

Filipino Thai American Southeast Asian

✓ All Clear

Casyn Rank #4,583

Boy Rank #4,506

Boy is more popular, ranked #4506 vs #4583 for Casyn.

Is Casyn or Boy more popular?

Boy is more popular, ranked #4506 compared to Casyn at #4583 in the United States.

What do Casyn and Boy mean?

Casyn means "vigilant, watchful" (Irish Gaelic origin). Boy means "young male, beloved son" (Filipino origin).

Are Casyn and Boy boy or girl names?

Casyn is primarily a boy name. Boy is primarily a boy name.