Brett vs Caius

Baby Name Comparison — 2026

Brett

Boy #1,061 Most Popular 1 Syllable

"a Breton, person from Brittany"

Origin: Celtic/Old French

English American Australian

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Boy #1,063 Most Popular 2 Syllables

"to rejoice, joyful"

Origin: Latin

Roman British European American

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Brett Rank #1,061

Caius Rank #1,063

Brett is more popular, ranked #1061 vs #1063 for Caius.

Is Brett or Caius more popular?

Brett is more popular, ranked #1061 compared to Caius at #1063 in the United States.

What do Brett and Caius mean?

Brett means "a Breton, person from Brittany" (Celtic/Old French origin). Caius means "to rejoice, joyful" (Latin origin).

Are Brett and Caius boy or girl names?

Brett is primarily a boy name. Caius is primarily a boy name.