Olsen vs Cassidy

Baby Name Comparison — 2026

Olsen

Boy #2,247 Most Popular 2 Syllables

"son of Ole (ancestor)"

Origin: Old Norse

Norwegian Danish Swedish American

✓ All Clear

Boy #2,323 Most Popular 3 Syllables

"curly-haired"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Olsen Rank #2,247

Cassidy Rank #2,323

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

Is Olsen or Cassidy more popular?

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

What do Olsen and Cassidy mean?

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

Are Olsen and Cassidy boy or girl names?

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