Cassidy vs Ao

Baby Name Comparison — 2026

Cassidy

Boy #2,323 Most Popular 3 Syllables

"curly-haired"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Boy #14,516 Most Popular 2 Syllables

"blue, blue-green"

Origin: Japanese

Japanese Chinese Maori

✓ All Clear

Cassidy Rank #2,323

Ao Rank #14,516

Cassidy is more popular, ranked #2323 vs #14516 for Ao.

Is Cassidy or Ao more popular?

Cassidy is more popular, ranked #2323 compared to Ao at #14516 in the United States.

What do Cassidy and Ao mean?

Cassidy means "curly-haired" (Irish Gaelic origin). Ao means "blue, blue-green" (Japanese origin).

Are Cassidy and Ao boy or girl names?

Cassidy is primarily a boy name. Ao is primarily a boy name.