Kacey vs Kellen

Baby Name Comparison — 2026

Kacey

Boy #1,045 Most Popular 2 Syllables

"brave in battle, vigilant"

Origin: Irish Gaelic

Irish American

✓ All Clear

Boy #1,031 Most Popular 2 Syllables

"slender, narrow"

Origin: Irish Gaelic 'caol'

Irish American German

✓ All Clear

Kacey Rank #1,045

Kellen Rank #1,031

Kellen is more popular, ranked #1031 vs #1045 for Kacey.

Is Kacey or Kellen more popular?

Kellen is more popular, ranked #1031 compared to Kacey at #1045 in the United States.

What do Kacey and Kellen mean?

Kacey means "brave in battle, vigilant" (Irish Gaelic origin). Kellen means "slender, narrow" (Irish Gaelic 'caol' origin).

Are Kacey and Kellen boy or girl names?

Kacey is primarily a boy name. Kellen is primarily a boy name.