Cosmo vs Rush

Baby Name Comparison — 2026

Cosmo

Boy #1,691 Most Popular 2 Syllables

"order, universe"

Origin: Greek

Italian Greek English American

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Boy #1,496 Most Popular 1 Syllable

"rush plant (marsh grass)"

Origin: Old English

American English

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Cosmo Rank #1,691

Rush Rank #1,496

Rush is more popular, ranked #1496 vs #1691 for Cosmo.

Is Cosmo or Rush more popular?

Rush is more popular, ranked #1496 compared to Cosmo at #1691 in the United States.

What do Cosmo and Rush mean?

Cosmo means "order, universe" (Greek origin). Rush means "rush plant (marsh grass)" (Old English origin).

Are Cosmo and Rush boy or girl names?

Cosmo is primarily a boy name. Rush is primarily a boy name.