Kayce vs Cassian

Baby Name Comparison — 2026

Kayce

Boy #420 Most Popular 2 Syllables

"alert, watchful, vigilant"

Origin: Irish Gaelic

American Irish

✓ All Clear

Boy #617 Most Popular 3 Syllables

"of the Cassian family (Roman gens)"

Origin: Latin

English American European

✓ All Clear

Kayce Rank #420

Cassian Rank #617

Kayce is more popular, ranked #420 vs #617 for Cassian.

Is Kayce or Cassian more popular?

Kayce is more popular, ranked #420 compared to Cassian at #617 in the United States.

What do Kayce and Cassian mean?

Kayce means "alert, watchful, vigilant" (Irish Gaelic origin). Cassian means "of the Cassian family (Roman gens)" (Latin origin).

Are Kayce and Cassian boy or girl names?

Kayce is primarily a boy name. Cassian is primarily a boy name.