Cass vs Cassidy

Baby Name Comparison — 2026

Cass

Boy #5,414 Most Popular 1 Syllable

"hollow, vain (from Latin Cassius)"

Origin: Latin

English American Greek

✓ All Clear

Boy #2,323 Most Popular 3 Syllables

"curly-haired"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Cass Rank #5,414

Cassidy Rank #2,323

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

Is Cass or Cassidy more popular?

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

What do Cass and Cassidy mean?

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

Are Cass and Cassidy boy or girl names?

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