Harold vs Caius

Baby Name Comparison — 2026

Harold

Boy #991 Most Popular 2 Syllables

"army ruler, power of the army"

Origin: Old English

English Scandinavian American

✓ All Clear

Boy #1,063 Most Popular 2 Syllables

"to rejoice, joyful"

Origin: Latin

Roman British European American

✓ All Clear

Harold Rank #991

Caius Rank #1,063

Harold is more popular, ranked #991 vs #1063 for Caius.

Is Harold or Caius more popular?

Harold is more popular, ranked #991 compared to Caius at #1063 in the United States.

What do Harold and Caius mean?

Harold means "army ruler, power of the army" (Old English origin). Caius means "to rejoice, joyful" (Latin origin).

Are Harold and Caius boy or girl names?

Harold is primarily a boy name. Caius is primarily a boy name.