Atom vs Kiernan

Baby Name Comparison — 2026

Atom

Boy #3,165 Most Popular 2 Syllables

"indivisible, uncuttable"

Origin: Greek

American English Scientific

✓ All Clear

Boy #3,148 Most Popular 2 Syllables

"dark one, little dark-haired one"

Origin: Irish Gaelic

Irish Scottish American

✓ All Clear

Atom Rank #3,165

Kiernan Rank #3,148

Kiernan is more popular, ranked #3148 vs #3165 for Atom.

Is Atom or Kiernan more popular?

Kiernan is more popular, ranked #3148 compared to Atom at #3165 in the United States.

What do Atom and Kiernan mean?

Atom means "indivisible, uncuttable" (Greek origin). Kiernan means "dark one, little dark-haired one" (Irish Gaelic origin).

Are Atom and Kiernan boy or girl names?

Atom is primarily a boy name. Kiernan is primarily a boy name.