Arlen vs Cosmo

Baby Name Comparison — 2026

Arlen

Boy #1,688 Most Popular 2 Syllables

"pledge, oath"

Origin: Irish Gaelic

Irish American

✓ All Clear

Boy #1,691 Most Popular 2 Syllables

"order, universe"

Origin: Greek

Italian Greek English American

✓ All Clear

Arlen Rank #1,688

Cosmo Rank #1,691

Arlen is more popular, ranked #1688 vs #1691 for Cosmo.

Is Arlen or Cosmo more popular?

Arlen is more popular, ranked #1688 compared to Cosmo at #1691 in the United States.

What do Arlen and Cosmo mean?

Arlen means "pledge, oath" (Irish Gaelic origin). Cosmo means "order, universe" (Greek origin).

Are Arlen and Cosmo boy or girl names?

Arlen is primarily a boy name. Cosmo is primarily a boy name.