Cassian vs Ao

Baby Name Comparison — 2026

Cassian

Boy #617 Most Popular 3 Syllables

"of the Cassian family (Roman gens)"

Origin: Latin

English American European

✓ All Clear

Boy #14,516 Most Popular 2 Syllables

"blue, blue-green"

Origin: Japanese

Japanese Chinese Maori

✓ All Clear

Cassian Rank #617

Ao Rank #14,516

Cassian is more popular, ranked #617 vs #14516 for Ao.

Is Cassian or Ao more popular?

Cassian is more popular, ranked #617 compared to Ao at #14516 in the United States.

What do Cassian and Ao mean?

Cassian means "of the Cassian family (Roman gens)" (Latin origin). Ao means "blue, blue-green" (Japanese origin).

Are Cassian and Ao boy or girl names?

Cassian is primarily a boy name. Ao is primarily a boy name.