Casyn vs Jayni

Baby Name Comparison — 2026

Casyn

Boy #4,583 Most Popular 2 Syllables

"vigilant, watchful"

Origin: Irish Gaelic

American Irish English

✓ All Clear

Boy #4,643 Most Popular 2 Syllables

"God is gracious"

Origin: Hebrew

English American

✓ All Clear

Casyn Rank #4,583

Jayni Rank #4,643

Casyn is more popular, ranked #4583 vs #4643 for Jayni.

Is Casyn or Jayni more popular?

Casyn is more popular, ranked #4583 compared to Jayni at #4643 in the United States.

What do Casyn and Jayni mean?

Casyn means "vigilant, watchful" (Irish Gaelic origin). Jayni means "God is gracious" (Hebrew origin).

Are Casyn and Jayni boy or girl names?

Casyn is primarily a boy name. Jayni is primarily a boy name.