Cassidy vs Olin

Baby Name Comparison — 2026

Cassidy

Boy #2,323 Most Popular 3 Syllables

"curly-haired"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Boy #2,142 Most Popular 2 Syllables

"ancestor descendant"

Origin: Old Norse

Scandinavian American English

✓ All Clear

Cassidy Rank #2,323

Olin Rank #2,142

Olin is more popular, ranked #2142 vs #2323 for Cassidy.

Is Cassidy or Olin more popular?

Olin is more popular, ranked #2142 compared to Cassidy at #2323 in the United States.

What do Cassidy and Olin mean?

Cassidy means "curly-haired" (Irish Gaelic origin). Olin means "ancestor descendant" (Old Norse origin).

Are Cassidy and Olin boy or girl names?

Cassidy is primarily a boy name. Olin is primarily a boy name.