Sullivan vs Leonidas

Baby Name Comparison — 2026

Sullivan

Boy #340 Most Popular 3 Syllables

"descendant of the dark one"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Boy #509 Most Popular 4 Syllables

"son of the lion"

Origin: Greek

Greek American Spanish European

✓ All Clear

Sullivan Rank #340

Leonidas Rank #509

Sullivan is more popular, ranked #340 vs #509 for Leonidas.

Is Sullivan or Leonidas more popular?

Sullivan is more popular, ranked #340 compared to Leonidas at #509 in the United States.

What do Sullivan and Leonidas mean?

Sullivan means "descendant of the dark one" (Irish Gaelic origin). Leonidas means "son of the lion" (Greek origin).

Are Sullivan and Leonidas boy or girl names?

Sullivan is primarily a boy name. Leonidas is primarily a boy name.