Merlin vs Ao

Baby Name Comparison — 2026

Merlin

Boy #2,083 Most Popular 2 Syllables

"sea fortress"

Origin: Brittonic/Welsh

Welsh English French Medieval

✓ All Clear

Boy #14,516 Most Popular 2 Syllables

"blue, blue-green"

Origin: Japanese

Japanese Chinese Maori

✓ All Clear

Merlin Rank #2,083

Ao Rank #14,516

Merlin is more popular, ranked #2083 vs #14516 for Ao.

Is Merlin or Ao more popular?

Merlin is more popular, ranked #2083 compared to Ao at #14516 in the United States.

What do Merlin and Ao mean?

Merlin means "sea fortress" (Brittonic/Welsh origin). Ao means "blue, blue-green" (Japanese origin).

Are Merlin and Ao boy or girl names?

Merlin is primarily a boy name. Ao is primarily a boy name.