Cy vs Cassidy

Baby Name Comparison — 2026

Cy

Boy #2,349 Most Popular 1 Syllable

"sun, shepherd"

Origin: Old Persian (via Cyrus)

American Western Persian

✓ All Clear

Boy #2,323 Most Popular 3 Syllables

"curly-haired"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Cy Rank #2,349

Cassidy Rank #2,323

Cassidy is more popular, ranked #2323 vs #2349 for Cy.

Is Cy or Cassidy more popular?

Cassidy is more popular, ranked #2323 compared to Cy at #2349 in the United States.

What do Cy and Cassidy mean?

Cy means "sun, shepherd" (Old Persian (via Cyrus) origin). Cassidy means "curly-haired" (Irish Gaelic origin).

Are Cy and Cassidy boy or girl names?

Cy is primarily a boy name. Cassidy is primarily a boy name.