Brennan vs Byron

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 #884 Most Popular 2 Syllables

"at the cattle sheds, one from the byres"

Origin: Old English

English American Australian

✓ All Clear

Brennan Rank #1,058

Byron Rank #884

Byron is more popular, ranked #884 vs #1058 for Brennan.

Is Brennan or Byron more popular?

Byron is more popular, ranked #884 compared to Brennan at #1058 in the United States.

What do Brennan and Byron mean?

Brennan means "descendant of Braonán, tearful one" (Irish Gaelic origin). Byron means "at the cattle sheds, one from the byres" (Old English origin).

Are Brennan and Byron boy or girl names?

Brennan is primarily a boy name. Byron is primarily a boy name.