Cosmo vs Chester

Baby Name Comparison — 2026

Cosmo

Boy #1,691 Most Popular 2 Syllables

"order, universe"

Origin: Greek

Italian Greek English American

✓ All Clear

Boy #1,657 Most Popular 2 Syllables

"fortress, walled Roman camp"

Origin: Latin

English American British

✓ All Clear

Cosmo Rank #1,691

Chester Rank #1,657

Chester is more popular, ranked #1657 vs #1691 for Cosmo.

Is Cosmo or Chester more popular?

Chester is more popular, ranked #1657 compared to Cosmo at #1691 in the United States.

What do Cosmo and Chester mean?

Cosmo means "order, universe" (Greek origin). Chester means "fortress, walled Roman camp" (Latin origin).

Are Cosmo and Chester boy or girl names?

Cosmo is primarily a boy name. Chester is primarily a boy name.