Cassian vs Atreus

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 #495 Most Popular 3 Syllables

"fearless, not cowardly"

Origin: Greek

American Greek

✓ All Clear

Cassian Rank #617

Atreus Rank #495

Atreus is more popular, ranked #495 vs #617 for Cassian.

Is Cassian or Atreus more popular?

Atreus is more popular, ranked #495 compared to Cassian at #617 in the United States.

What do Cassian and Atreus mean?

Cassian means "of the Cassian family (Roman gens)" (Latin origin). Atreus means "fearless, not cowardly" (Greek origin).

Are Cassian and Atreus boy or girl names?

Cassian is primarily a boy name. Atreus is primarily a boy name.