Kailen vs Aiko

Baby Name Comparison — 2026

Kailen

Boy #3,163 Most Popular 2 Syllables

"slender, narrow"

Origin: Irish Gaelic

Irish American Celtic

✓ All Clear

Boy #10,540 Most Popular 3 Syllables

"child of love"

Origin: Japanese

Japanese

✓ All Clear

Kailen Rank #3,163

Aiko Rank #10,540

Kailen is more popular, ranked #3163 vs #10540 for Aiko.

Is Kailen or Aiko more popular?

Kailen is more popular, ranked #3163 compared to Aiko at #10540 in the United States.

What do Kailen and Aiko mean?

Kailen means "slender, narrow" (Irish Gaelic origin). Aiko means "child of love" (Japanese origin).

Are Kailen and Aiko boy or girl names?

Kailen is primarily a boy name. Aiko is primarily a boy name.