Brennon vs Sully

Baby Name Comparison — 2026

Brennon

Boy #3,714 Most Popular 2 Syllables

"descendant of Braonán (moisture/sorrow)"

Origin: Irish Gaelic

Irish American Scottish

✓ All Clear

Boy #3,579 Most Popular 2 Syllables

"descendant of the dark-eyed one"

Origin: Irish Gaelic

Irish English American

✓ All Clear

Brennon Rank #3,714

Sully Rank #3,579

Sully is more popular, ranked #3579 vs #3714 for Brennon.

Is Brennon or Sully more popular?

Sully is more popular, ranked #3579 compared to Brennon at #3714 in the United States.

What do Brennon and Sully mean?

Brennon means "descendant of Braonán (moisture/sorrow)" (Irish Gaelic origin). Sully means "descendant of the dark-eyed one" (Irish Gaelic origin).

Are Brennon and Sully boy or girl names?

Brennon is primarily a boy name. Sully is primarily a boy name.