Cassidy vs Cass

Baby Name Comparison — 2026

Cassidy

Boy #2,323 Most Popular 3 Syllables

"curly-haired"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Boy #5,414 Most Popular 1 Syllable

"hollow, vain (from Latin Cassius)"

Origin: Latin

English American Greek

✓ All Clear

Cassidy Rank #2,323

Cass Rank #5,414

Cassidy is more popular, ranked #2323 vs #5414 for Cass.

Is Cassidy or Cass more popular?

Cassidy is more popular, ranked #2323 compared to Cass at #5414 in the United States.

What do Cassidy and Cass mean?

Cassidy means "curly-haired" (Irish Gaelic origin). Cass means "hollow, vain (from Latin Cassius)" (Latin origin).

Are Cassidy and Cass boy or girl names?

Cassidy is primarily a boy name. Cass is primarily a boy name.