Jamarius vs Casyn

Baby Name Comparison — 2026

Jamarius

Boy #4,676 Most Popular 4 Syllables

"supplanter (James element)"

Origin: Hebrew via Latin

African American American

✓ All Clear

Boy #4,583 Most Popular 2 Syllables

"vigilant, watchful"

Origin: Irish Gaelic

American Irish English

✓ All Clear

Jamarius Rank #4,676

Casyn Rank #4,583

Casyn is more popular, ranked #4583 vs #4676 for Jamarius.

Is Jamarius or Casyn more popular?

Casyn is more popular, ranked #4583 compared to Jamarius at #4676 in the United States.

What do Jamarius and Casyn mean?

Jamarius means "supplanter (James element)" (Hebrew via Latin origin). Casyn means "vigilant, watchful" (Irish Gaelic origin).

Are Jamarius and Casyn boy or girl names?

Jamarius is primarily a boy name. Casyn is primarily a boy name.