Reason vs Kiernan

Baby Name Comparison — 2026

Reason

Boy #3,007 Most Popular 2 Syllables

"rational thought, good judgment"

Origin: Old French/Latin

American

✓ All Clear

Boy #3,148 Most Popular 2 Syllables

"dark one, little dark-haired one"

Origin: Irish Gaelic

Irish Scottish American

✓ All Clear

Reason Rank #3,007

Kiernan Rank #3,148

Reason is more popular, ranked #3007 vs #3148 for Kiernan.

Is Reason or Kiernan more popular?

Reason is more popular, ranked #3007 compared to Kiernan at #3148 in the United States.

What do Reason and Kiernan mean?

Reason means "rational thought, good judgment" (Old French/Latin origin). Kiernan means "dark one, little dark-haired one" (Irish Gaelic origin).

Are Reason and Kiernan boy or girl names?

Reason is primarily a boy name. Kiernan is primarily a boy name.