Brennan vs Cullen

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 #1,131 Most Popular 2 Syllables

"at the holly trees"

Origin: Irish Gaelic

Irish Scottish American

✓ All Clear

Brennan Rank #1,058

Cullen Rank #1,131

Brennan is more popular, ranked #1058 vs #1131 for Cullen.

Is Brennan or Cullen more popular?

Brennan is more popular, ranked #1058 compared to Cullen at #1131 in the United States.

What do Brennan and Cullen mean?

Brennan means "descendant of Braonán, tearful one" (Irish Gaelic origin). Cullen means "at the holly trees" (Irish Gaelic origin).

Are Brennan and Cullen boy or girl names?

Brennan is primarily a boy name. Cullen is primarily a boy name.