Aidyn vs Cassidy

Baby Name Comparison — 2026

Aidyn

Boy #2,355 Most Popular 2 Syllables

"little fire"

Origin: Old Irish

American Irish Celtic

✓ All Clear

Boy #2,323 Most Popular 3 Syllables

"curly-haired"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Aidyn Rank #2,355

Cassidy Rank #2,323

Cassidy is more popular, ranked #2323 vs #2355 for Aidyn.

Is Aidyn or Cassidy more popular?

Cassidy is more popular, ranked #2323 compared to Aidyn at #2355 in the United States.

What do Aidyn and Cassidy mean?

Aidyn means "little fire" (Old Irish origin). Cassidy means "curly-haired" (Irish Gaelic origin).

Are Aidyn and Cassidy boy or girl names?

Aidyn is primarily a boy name. Cassidy is primarily a boy name.