Cassidy vs Oak

Baby Name Comparison — 2026

Cassidy

Boy #2,323 Most Popular 3 Syllables

"curly-haired"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Boy #2,438 Most Popular 1 Syllable

"oak tree"

Origin: Old English

English American Celtic

✓ All Clear

Cassidy Rank #2,323

Oak Rank #2,438

Cassidy is more popular, ranked #2323 vs #2438 for Oak.

Is Cassidy or Oak more popular?

Cassidy is more popular, ranked #2323 compared to Oak at #2438 in the United States.

What do Cassidy and Oak mean?

Cassidy means "curly-haired" (Irish Gaelic origin). Oak means "oak tree" (Old English origin).

Are Cassidy and Oak boy or girl names?

Cassidy is primarily a boy name. Oak is primarily a boy name.