Atreus vs Cassian

Baby Name Comparison — 2026

Atreus

Boy #495 Most Popular 3 Syllables

"fearless, not cowardly"

Origin: Greek

American Greek

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Boy #617 Most Popular 3 Syllables

"of the Cassian family (Roman gens)"

Origin: Latin

English American European

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Atreus Rank #495

Cassian Rank #617

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

Is Atreus or Cassian more popular?

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

What do Atreus and Cassian mean?

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

Are Atreus and Cassian boy or girl names?

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