Kayce vs Aidan

Baby Name Comparison — 2026

Kayce

Boy #420 Most Popular 2 Syllables

"alert, watchful, vigilant"

Origin: Irish Gaelic

American Irish

✓ All Clear

Boy #312 Most Popular 2 Syllables

Irish Scottish English American

✓ All Clear

Kayce Rank #420

Aidan Rank #312

Aidan is more popular, ranked #312 vs #420 for Kayce.

Is Kayce or Aidan more popular?

Aidan is more popular, ranked #312 compared to Kayce at #420 in the United States.

What do Kayce and Aidan mean?

Kayce means "alert, watchful, vigilant" (Irish Gaelic origin).

Are Kayce and Aidan boy or girl names?

Kayce is primarily a boy name. Aidan is primarily a boy name.