Cassidy vs Olsen

Baby Name Comparison — 2026

Cassidy

Boy #2,323 Most Popular 3 Syllables

"curly-haired"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Boy #2,247 Most Popular 2 Syllables

"son of Ole (ancestor)"

Origin: Old Norse

Norwegian Danish Swedish American

✓ All Clear

Cassidy Rank #2,323

Olsen Rank #2,247

Olsen is more popular, ranked #2247 vs #2323 for Cassidy.

Is Cassidy or Olsen more popular?

Olsen is more popular, ranked #2247 compared to Cassidy at #2323 in the United States.

What do Cassidy and Olsen mean?

Cassidy means "curly-haired" (Irish Gaelic origin). Olsen means "son of Ole (ancestor)" (Old Norse origin).

Are Cassidy and Olsen boy or girl names?

Cassidy is primarily a boy name. Olsen is primarily a boy name.