Lester vs Cosmo

Baby Name Comparison — 2026

Lester

Boy #1,578 Most Popular 2 Syllables

"Roman fort on the River Leir"

Origin: Old English

English American

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Boy #1,691 Most Popular 2 Syllables

"order, universe"

Origin: Greek

Italian Greek English American

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Lester Rank #1,578

Cosmo Rank #1,691

Lester is more popular, ranked #1578 vs #1691 for Cosmo.

Is Lester or Cosmo more popular?

Lester is more popular, ranked #1578 compared to Cosmo at #1691 in the United States.

What do Lester and Cosmo mean?

Lester means "Roman fort on the River Leir" (Old English origin). Cosmo means "order, universe" (Greek origin).

Are Lester and Cosmo boy or girl names?

Lester is primarily a boy name. Cosmo is primarily a boy name.