Sean vs Cassian

Baby Name Comparison — 2026

Sean

Boy #437 Most Popular 1 Syllable

"God is gracious"

Origin: Hebrew via Irish

Irish English American Scottish

✓ All Clear

Boy #617 Most Popular 3 Syllables

"of the Cassian family (Roman gens)"

Origin: Latin

English American European

✓ All Clear

Sean Rank #437

Cassian Rank #617

Sean is more popular, ranked #437 vs #617 for Cassian.

Is Sean or Cassian more popular?

Sean is more popular, ranked #437 compared to Cassian at #617 in the United States.

What do Sean and Cassian mean?

Sean means "God is gracious" (Hebrew via Irish origin). Cassian means "of the Cassian family (Roman gens)" (Latin origin).

Are Sean and Cassian boy or girl names?

Sean is primarily a boy name. Cassian is primarily a boy name.