Duncan vs Ao

Baby Name Comparison — 2026

Duncan

Boy #1,104 Most Popular 2 Syllables

"dark warrior"

Origin: Scottish Gaelic

Scottish Irish British American

✓ All Clear

Boy #14,516 Most Popular 2 Syllables

"blue, blue-green"

Origin: Japanese

Japanese Chinese Maori

✓ All Clear

Duncan Rank #1,104

Ao Rank #14,516

Duncan is more popular, ranked #1104 vs #14516 for Ao.

Is Duncan or Ao more popular?

Duncan is more popular, ranked #1104 compared to Ao at #14516 in the United States.

What do Duncan and Ao mean?

Duncan means "dark warrior" (Scottish Gaelic origin). Ao means "blue, blue-green" (Japanese origin).

Are Duncan and Ao boy or girl names?

Duncan is primarily a boy name. Ao is primarily a boy name.