Kayce vs Cassius

Baby Name Comparison — 2026

Kayce

Boy #420 Most Popular 2 Syllables

"alert, watchful, vigilant"

Origin: Irish Gaelic

American Irish

✓ All Clear

Boy #568 Most Popular 3 Syllables

"hollow, empty"

Origin: Latin

English American Roman

✓ All Clear

Kayce Rank #420

Cassius Rank #568

Kayce is more popular, ranked #420 vs #568 for Cassius.

Is Kayce or Cassius more popular?

Kayce is more popular, ranked #420 compared to Cassius at #568 in the United States.

What do Kayce and Cassius mean?

Kayce means "alert, watchful, vigilant" (Irish Gaelic origin). Cassius means "hollow, empty" (Latin origin).

Are Kayce and Cassius boy or girl names?

Kayce is primarily a boy name. Cassius is primarily a boy name.