Brennan vs Ash

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 #1,152 Most Popular 1 Syllable

"ash tree"

Origin: Old English

English American Australian

✓ All Clear

Brennan Rank #1,058

Ash Rank #1,152

Brennan is more popular, ranked #1058 vs #1152 for Ash.

Is Brennan or Ash more popular?

Brennan is more popular, ranked #1058 compared to Ash at #1152 in the United States.

What do Brennan and Ash mean?

Brennan means "descendant of Braonán, tearful one" (Irish Gaelic origin). Ash means "ash tree" (Old English origin).

Are Brennan and Ash boy or girl names?

Brennan is primarily a boy name. Ash is primarily a boy name.