Arlin vs Cassidy

Baby Name Comparison — 2026

Arlin

Boy #2,419 Most Popular 2 Syllables

"pledge, oath"

Origin: Irish Gaelic

Irish American

✓ All Clear

Boy #2,323 Most Popular 3 Syllables

"curly-haired"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Arlin Rank #2,419

Cassidy Rank #2,323

Cassidy is more popular, ranked #2323 vs #2419 for Arlin.

Is Arlin or Cassidy more popular?

Cassidy is more popular, ranked #2323 compared to Arlin at #2419 in the United States.

What do Arlin and Cassidy mean?

Arlin means "pledge, oath" (Irish Gaelic origin). Cassidy means "curly-haired" (Irish Gaelic origin).

Are Arlin and Cassidy boy or girl names?

Arlin is primarily a boy name. Cassidy is primarily a boy name.