Cassidy vs Arlin

Baby Name Comparison — 2026

Cassidy

Boy #2,323 Most Popular 3 Syllables

"curly-haired"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Boy #2,419 Most Popular 2 Syllables

"pledge, oath"

Origin: Irish Gaelic

Irish American

✓ All Clear

Cassidy Rank #2,323

Arlin Rank #2,419

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

Is Cassidy or Arlin more popular?

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

What do Cassidy and Arlin mean?

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

Are Cassidy and Arlin boy or girl names?

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