Callister vs Leon

Baby Name Comparison — 2026

Callister

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

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Boy #141 Most Popular 2 Syllables

"lion"

Origin: Greek

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Callister Rank #43,579

Leon Rank #141

Leon is more popular, ranked #141 vs #43579 for Callister.

Is Callister or Leon more popular?

Leon is more popular, ranked #141 compared to Callister at #43579 in the United States.

What do Callister and Leon mean?

Callister means "defender of men" (Greek via Gaelic origin). Leon means "lion" (Greek origin).

Are Callister and Leon boy or girl names?

Callister is primarily a boy name. Leon is primarily a boy name.