Fallon vs Casyn

Baby Name Comparison — 2026

Fallon

Boy #4,691 Most Popular 2 Syllables

"leader, superior one"

Origin: Irish Gaelic

Irish English American

✓ All Clear

Boy #4,583 Most Popular 2 Syllables

"vigilant, watchful"

Origin: Irish Gaelic

American Irish English

✓ All Clear

Fallon Rank #4,691

Casyn Rank #4,583

Casyn is more popular, ranked #4583 vs #4691 for Fallon.

Is Fallon or Casyn more popular?

Casyn is more popular, ranked #4583 compared to Fallon at #4691 in the United States.

What do Fallon and Casyn mean?

Fallon means "leader, superior one" (Irish Gaelic origin). Casyn means "vigilant, watchful" (Irish Gaelic origin).

Are Fallon and Casyn boy or girl names?

Fallon is primarily a boy name. Casyn is primarily a boy name.