Kiernan vs Tuff

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 #3,138 Most Popular 1 Syllable

"tough, strong, resilient"

Origin: English

English American

✓ All Clear

Kiernan Rank #3,148

Tuff Rank #3,138

Tuff is more popular, ranked #3138 vs #3148 for Kiernan.

Is Kiernan or Tuff more popular?

Tuff is more popular, ranked #3138 compared to Kiernan at #3148 in the United States.

What do Kiernan and Tuff mean?

Kiernan means "dark one, little dark-haired one" (Irish Gaelic origin). Tuff means "tough, strong, resilient" (English origin).

Are Kiernan and Tuff boy or girl names?

Kiernan is primarily a boy name. Tuff is primarily a boy name.