Cosmo vs Deegan

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 #1,678 Most Popular 2 Syllables

"descendant of the black-haired one"

Origin: Irish Gaelic

Irish American Australian

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Cosmo Rank #1,691

Deegan Rank #1,678

Deegan is more popular, ranked #1678 vs #1691 for Cosmo.

Is Cosmo or Deegan more popular?

Deegan is more popular, ranked #1678 compared to Cosmo at #1691 in the United States.

What do Cosmo and Deegan mean?

Cosmo means "order, universe" (Greek origin). Deegan means "descendant of the black-haired one" (Irish Gaelic origin).

Are Cosmo and Deegan boy or girl names?

Cosmo is primarily a boy name. Deegan is primarily a boy name.