Cain vs Brennan

Baby Name Comparison — 2026

Cain

Boy #979 Most Popular 1 Syllable

"acquired, possessed"

Origin: Hebrew

English Welsh American

✓ All Clear

Boy #1,058 Most Popular 2 Syllables

"descendant of Braonán, tearful one"

Origin: Irish Gaelic

Irish American Scottish

✓ All Clear

Cain Rank #979

Brennan Rank #1,058

Cain is more popular, ranked #979 vs #1058 for Brennan.

Is Cain or Brennan more popular?

Cain is more popular, ranked #979 compared to Brennan at #1058 in the United States.

What do Cain and Brennan mean?

Cain means "acquired, possessed" (Hebrew origin). Brennan means "descendant of Braonán, tearful one" (Irish Gaelic origin).

Are Cain and Brennan boy or girl names?

Cain is primarily a boy name. Brennan is primarily a boy name.