Leonidas vs Sullivan

Baby Name Comparison — 2026

Leonidas

Boy #509 Most Popular 4 Syllables

"son of the lion"

Origin: Greek

Greek American Spanish European

✓ All Clear

Boy #340 Most Popular 3 Syllables

"descendant of the dark one"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Leonidas Rank #509

Sullivan Rank #340

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

Is Leonidas or Sullivan more popular?

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

What do Leonidas and Sullivan mean?

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

Are Leonidas and Sullivan boy or girl names?

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