Cassidy vs Diamond

Baby Name Comparison — 2026

Cassidy

Boy #2,323 Most Popular 3 Syllables

"curly-haired"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Boy #2,449 Most Popular 2 Syllables

"the hardest gemstone, invincible"

Origin: Greek adamas

American African American English

✓ All Clear

Cassidy Rank #2,323

Diamond Rank #2,449

Cassidy is more popular, ranked #2323 vs #2449 for Diamond.

Is Cassidy or Diamond more popular?

Cassidy is more popular, ranked #2323 compared to Diamond at #2449 in the United States.

What do Cassidy and Diamond mean?

Cassidy means "curly-haired" (Irish Gaelic origin). Diamond means "the hardest gemstone, invincible" (Greek adamas origin).

Are Cassidy and Diamond boy or girl names?

Cassidy is primarily a boy name. Diamond is primarily a boy name.