Cosmas vs Mo

Baby Name Comparison — 2026

Popularity Comparison

Cosmas Rank #24,329
Mo Rank #17,973

Mo is more popular, ranked #17973 vs #24329 for Cosmas.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

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Frequently Asked Questions

Is Cosmas or Mo more popular?

Mo is more popular, ranked #17973 compared to Cosmas at #24329 in the United States.

Are Cosmas and Mo boy or girl names?

Cosmas is primarily a boy name. Mo is primarily a girl name.

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← Full profile: Cosmas ← Full profile: Mo Browse all baby names