Kieran vs Aiko

Baby Name Comparison — 2026

Kieran

Boy #441 Most Popular 2 Syllables

"little dark one"

Origin: Irish Gaelic (ciar + -án)

Irish Scottish English

✓ All Clear

Boy #10,540 Most Popular 3 Syllables

"child of love"

Origin: Japanese

Japanese

✓ All Clear

Kieran Rank #441

Aiko Rank #10,540

Kieran is more popular, ranked #441 vs #10540 for Aiko.

Is Kieran or Aiko more popular?

Kieran is more popular, ranked #441 compared to Aiko at #10540 in the United States.

What do Kieran and Aiko mean?

Kieran means "little dark one" (Irish Gaelic (ciar + -án) origin). Aiko means "child of love" (Japanese origin).

Are Kieran and Aiko boy or girl names?

Kieran is primarily a boy name. Aiko is primarily a boy name.