Ao vs Callaghan

Baby Name Comparison — 2026

Ao

Boy #14,516 Most Popular 2 Syllables

"blue, blue-green"

Origin: Japanese

Japanese Chinese Maori

✓ All Clear

Boy #3,457 Most Popular 3 Syllables

"lover of churches"

Origin: Irish Gaelic

Irish American British

✓ All Clear

Ao Rank #14,516

Callaghan Rank #3,457

Callaghan is more popular, ranked #3457 vs #14516 for Ao.

Is Ao or Callaghan more popular?

Callaghan is more popular, ranked #3457 compared to Ao at #14516 in the United States.

What do Ao and Callaghan mean?

Ao means "blue, blue-green" (Japanese origin). Callaghan means "lover of churches" (Irish Gaelic origin).

Are Ao and Callaghan boy or girl names?

Ao is primarily a boy name. Callaghan is primarily a boy name.