Kiernan vs Callaghan

Baby Name Comparison — 2026

Kiernan

Boy #3,148 Most Popular 2 Syllables

"dark one, little dark-haired one"

Origin: Irish Gaelic

Irish Scottish American

✓ All Clear

Boy #3,457 Most Popular 3 Syllables

"lover of churches"

Origin: Irish Gaelic

Irish American British

✓ All Clear

Kiernan Rank #3,148

Callaghan Rank #3,457

Kiernan is more popular, ranked #3148 vs #3457 for Callaghan.

Is Kiernan or Callaghan more popular?

Kiernan is more popular, ranked #3148 compared to Callaghan at #3457 in the United States.

What do Kiernan and Callaghan mean?

Kiernan means "dark one, little dark-haired one" (Irish Gaelic origin). Callaghan means "lover of churches" (Irish Gaelic origin).

Are Kiernan and Callaghan boy or girl names?

Kiernan is primarily a boy name. Callaghan is primarily a boy name.