Kacyn vs Aiko

Baby Name Comparison — 2026

Kacyn

Boy #6,406 Most Popular 2 Syllables

"vigilant, watchful"

Origin: Irish (Casey root)

American English

✓ All Clear

Boy #10,540 Most Popular 3 Syllables

"child of love"

Origin: Japanese

Japanese

✓ All Clear

Kacyn Rank #6,406

Aiko Rank #10,540

Kacyn is more popular, ranked #6406 vs #10540 for Aiko.

Is Kacyn or Aiko more popular?

Kacyn is more popular, ranked #6406 compared to Aiko at #10540 in the United States.

What do Kacyn and Aiko mean?

Kacyn means "vigilant, watchful" (Irish (Casey root) origin). Aiko means "child of love" (Japanese origin).

Are Kacyn and Aiko boy or girl names?

Kacyn is primarily a boy name. Aiko is primarily a boy name.