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Kellan vs Brennan

Baby Name Comparison — 2026

Kellan

Boy #919 Most Popular 2 Syllables

Meaning

"slender, bright-headed"

Origin: Irish Gaelic

Cultural Roots

Irish Scottish American

Quick Stats

Popularity Rank
#919
Total SSA Count
252
Syllables
2
Formality
Moderate

Playground Safety Score

All Clear

Similar Names

Popularity Comparison

Kellan Rank #919
Brennan Rank #1,058

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

Frequently Asked Questions

Is Kellan or Brennan more popular?

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

What do Kellan and Brennan mean?

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

Are Kellan and Brennan boy or girl names?

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

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