Cassidy vs Rustyn

Baby Name Comparison — 2026

Cassidy

Boy #2,323 Most Popular 3 Syllables

"curly-haired"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Boy #2,126 Most Popular 2 Syllables

"red-haired, rust-colored"

Origin: Old French roux via English

American

✓ All Clear

Cassidy Rank #2,323

Rustyn Rank #2,126

Rustyn is more popular, ranked #2126 vs #2323 for Cassidy.

Is Cassidy or Rustyn more popular?

Rustyn is more popular, ranked #2126 compared to Cassidy at #2323 in the United States.

What do Cassidy and Rustyn mean?

Cassidy means "curly-haired" (Irish Gaelic origin). Rustyn means "red-haired, rust-colored" (Old French roux via English origin).

Are Cassidy and Rustyn boy or girl names?

Cassidy is primarily a boy name. Rustyn is primarily a boy name.