Flynn vs Cassian

Baby Name Comparison — 2026

Flynn

Boy #738 Most Popular 1 Syllable

"son of the red-haired one"

Origin: Irish Gaelic

Irish English Australian American

✓ All Clear

Boy #617 Most Popular 3 Syllables

"of the Cassian family (Roman gens)"

Origin: Latin

English American European

✓ All Clear

Flynn Rank #738

Cassian Rank #617

Cassian is more popular, ranked #617 vs #738 for Flynn.

Is Flynn or Cassian more popular?

Cassian is more popular, ranked #617 compared to Flynn at #738 in the United States.

What do Flynn and Cassian mean?

Flynn means "son of the red-haired one" (Irish Gaelic origin). Cassian means "of the Cassian family (Roman gens)" (Latin origin).

Are Flynn and Cassian boy or girl names?

Flynn is primarily a boy name. Cassian is primarily a boy name.