Kacyn vs Mailo

Baby Name Comparison — 2026

Kacyn

Boy #6,406 Most Popular 2 Syllables

"vigilant, watchful"

Origin: Irish (Casey root)

American English

✓ All Clear

Boy #6,273 Most Popular 2 Syllables

"gentle, merciful, dear"

Origin: Germanic

Spanish Latin American Hawaiian American

✓ All Clear

Kacyn Rank #6,406

Mailo Rank #6,273

Mailo is more popular, ranked #6273 vs #6406 for Kacyn.

Is Kacyn or Mailo more popular?

Mailo is more popular, ranked #6273 compared to Kacyn at #6406 in the United States.

What do Kacyn and Mailo mean?

Kacyn means "vigilant, watchful" (Irish (Casey root) origin). Mailo means "gentle, merciful, dear" (Germanic origin).

Are Kacyn and Mailo boy or girl names?

Kacyn is primarily a boy name. Mailo is primarily a boy name.