Kaiden vs Leo

Baby Name Comparison — 2026

Kaiden

Boy #207 Most Popular 2 Syllables

"little fire"

Origin: Old Irish (Aodhán)

American English

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Boy #24 Most Popular 2 Syllables

"lion-hearted, brave"

Origin: Latin

English Italian German French American Spanish

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Kaiden Rank #207

Leo Rank #24

Leo is more popular, ranked #24 vs #207 for Kaiden.

Is Kaiden or Leo more popular?

Leo is more popular, ranked #24 compared to Kaiden at #207 in the United States.

What do Kaiden and Leo mean?

Kaiden means "little fire" (Old Irish (Aodhán) origin). Leo means "lion-hearted, brave" (Latin origin).

Are Kaiden and Leo boy or girl names?

Kaiden is primarily a boy name. Leo is primarily a boy name.