Grey vs Ao

Baby Name Comparison — 2026

Grey

Boy #878 Most Popular 1 Syllable

"gray-haired one"

Origin: Old English

English American Australian

✓ All Clear

Boy #14,516 Most Popular 2 Syllables

"blue, blue-green"

Origin: Japanese

Japanese Chinese Maori

✓ All Clear

Grey Rank #878

Ao Rank #14,516

Grey is more popular, ranked #878 vs #14516 for Ao.

Is Grey or Ao more popular?

Grey is more popular, ranked #878 compared to Ao at #14516 in the United States.

What do Grey and Ao mean?

Grey means "gray-haired one" (Old English origin). Ao means "blue, blue-green" (Japanese origin).

Are Grey and Ao boy or girl names?

Grey is primarily a boy name. Ao is primarily a boy name.