Aiko vs Casyn

Baby Name Comparison — 2026

Aiko

Boy #10,540 Most Popular 3 Syllables

"child of love"

Origin: Japanese

Japanese

✓ All Clear

Boy #4,583 Most Popular 2 Syllables

"vigilant, watchful"

Origin: Irish Gaelic

American Irish English

✓ All Clear

Aiko Rank #10,540

Casyn Rank #4,583

Casyn is more popular, ranked #4583 vs #10540 for Aiko.

Is Aiko or Casyn more popular?

Casyn is more popular, ranked #4583 compared to Aiko at #10540 in the United States.

What do Aiko and Casyn mean?

Aiko means "child of love" (Japanese origin). Casyn means "vigilant, watchful" (Irish Gaelic origin).

Are Aiko and Casyn boy or girl names?

Aiko is primarily a boy name. Casyn is primarily a boy name.