Brennan vs Cain

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 #979 Most Popular 1 Syllable

"acquired, possessed"

Origin: Hebrew

English Welsh American

✓ All Clear

Brennan Rank #1,058

Cain Rank #979

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

Is Brennan or Cain more popular?

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

What do Brennan and Cain mean?

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

Are Brennan and Cain boy or girl names?

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