Leonidas vs Killian

Baby Name Comparison — 2026

Leonidas

Boy #509 Most Popular 4 Syllables

"son of the lion"

Origin: Greek

Greek American Spanish European

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Boy #370 Most Popular 3 Syllables

"associated with the church"

Origin: Irish Gaelic

Irish French American English

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Leonidas Rank #509

Killian Rank #370

Killian is more popular, ranked #370 vs #509 for Leonidas.

Is Leonidas or Killian more popular?

Killian is more popular, ranked #370 compared to Leonidas at #509 in the United States.

What do Leonidas and Killian mean?

Leonidas means "son of the lion" (Greek origin). Killian means "associated with the church" (Irish Gaelic origin).

Are Leonidas and Killian boy or girl names?

Leonidas is primarily a boy name. Killian is primarily a boy name.