Cosmo vs Slater

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 #1,543 Most Popular 2 Syllables

"one who works with slate"

Origin: Middle English (sclater/slater)

American English Australian

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Cosmo Rank #1,691

Slater Rank #1,543

Slater is more popular, ranked #1543 vs #1691 for Cosmo.

Is Cosmo or Slater more popular?

Slater is more popular, ranked #1543 compared to Cosmo at #1691 in the United States.

What do Cosmo and Slater mean?

Cosmo means "order, universe" (Greek origin). Slater means "one who works with slate" (Middle English (sclater/slater) origin).

Are Cosmo and Slater boy or girl names?

Cosmo is primarily a boy name. Slater is primarily a boy name.