Aiden vs Arlo

Baby Name Comparison — 2026

Aiden

Boy #47 Most Popular 2 Syllables

"Little fire; born of fire"

Origin: Irish Gaelic

Irish English American

✓ All Clear

Boy #146 Most Popular 2 Syllables

"fortified hill"

Origin: Old English

English American Australian

✓ All Clear

Aiden Rank #47

Arlo Rank #146

Aiden is more popular, ranked #47 vs #146 for Arlo.

Is Aiden or Arlo more popular?

Aiden is more popular, ranked #47 compared to Arlo at #146 in the United States.

What do Aiden and Arlo mean?

Aiden means "Little fire; born of fire" (Irish Gaelic origin). Arlo means "fortified hill" (Old English origin).

Are Aiden and Arlo boy or girl names?

Aiden is primarily a boy name. Arlo is primarily a boy name.