Kailan vs Reason

Baby Name Comparison — 2026

Kailan

Boy #2,875 Most Popular 2 Syllables

"little slender one"

Origin: Irish Gaelic

American Irish English

✓ All Clear

Boy #3,007 Most Popular 2 Syllables

"rational thought, good judgment"

Origin: Old French/Latin

American

✓ All Clear

Kailan Rank #2,875

Reason Rank #3,007

Kailan is more popular, ranked #2875 vs #3007 for Reason.

Is Kailan or Reason more popular?

Kailan is more popular, ranked #2875 compared to Reason at #3007 in the United States.

What do Kailan and Reason mean?

Kailan means "little slender one" (Irish Gaelic origin). Reason means "rational thought, good judgment" (Old French/Latin origin).

Are Kailan and Reason boy or girl names?

Kailan is primarily a boy name. Reason is primarily a boy name.