Cain vs Ao

Baby Name Comparison — 2026

Cain

Boy #979 Most Popular 1 Syllable

"acquired, possessed"

Origin: Hebrew

English Welsh American

✓ All Clear

Boy #14,516 Most Popular 2 Syllables

"blue, blue-green"

Origin: Japanese

Japanese Chinese Maori

✓ All Clear

Cain Rank #979

Ao Rank #14,516

Cain is more popular, ranked #979 vs #14516 for Ao.

Is Cain or Ao more popular?

Cain is more popular, ranked #979 compared to Ao at #14516 in the United States.

What do Cain and Ao mean?

Cain means "acquired, possessed" (Hebrew origin). Ao means "blue, blue-green" (Japanese origin).

Are Cain and Ao boy or girl names?

Cain is primarily a boy name. Ao is primarily a boy name.