Thomas vs Leo

Baby Name Comparison — 2026

Thomas

Boy #39 Most Popular 2 Syllables

"Twin"

Origin: Aramaic

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Boy #24 Most Popular 2 Syllables

"lion-hearted, brave"

Origin: Latin

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Thomas Rank #39

Leo Rank #24

Leo is more popular, ranked #24 vs #39 for Thomas.

Is Thomas or Leo more popular?

Leo is more popular, ranked #24 compared to Thomas at #39 in the United States.

What do Thomas and Leo mean?

Thomas means "Twin" (Aramaic origin). Leo means "lion-hearted, brave" (Latin origin).

Are Thomas and Leo boy or girl names?

Thomas is primarily a boy name. Leo is primarily a boy name.