Brennan vs Kellan

Baby Name Comparison — 2026

Brennan

Boy #1,058 Most Popular 2 Syllables

"descendant of Braonán, tearful one"

Origin: Irish Gaelic

Irish American Scottish

✓ All Clear

Boy #919 Most Popular 2 Syllables

"slender, bright-headed"

Origin: Irish Gaelic

Irish Scottish American

✓ All Clear

Brennan Rank #1,058

Kellan Rank #919

Kellan is more popular, ranked #919 vs #1058 for Brennan.

Is Brennan or Kellan more popular?

Kellan is more popular, ranked #919 compared to Brennan at #1058 in the United States.

What do Brennan and Kellan mean?

Brennan means "descendant of Braonán, tearful one" (Irish Gaelic origin). Kellan means "slender, bright-headed" (Irish Gaelic origin).

Are Brennan and Kellan boy or girl names?

Brennan is primarily a boy name. Kellan is primarily a boy name.