Ace vs Leo

Baby Name Comparison — 2026

Ace

Boy #165 Most Popular 1 Syllable

"unity; the best; one"

Origin: Latin via Old French

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Boy #24 Most Popular 2 Syllables

"lion-hearted, brave"

Origin: Latin

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Ace Rank #165

Leo Rank #24

Leo is more popular, ranked #24 vs #165 for Ace.

Is Ace or Leo more popular?

Leo is more popular, ranked #24 compared to Ace at #165 in the United States.

What do Ace and Leo mean?

Ace means "unity; the best; one" (Latin via Old French origin). Leo means "lion-hearted, brave" (Latin origin).

Are Ace and Leo boy or girl names?

Ace is primarily a boy name. Leo is primarily a boy name.