Guy vs Caius

Baby Name Comparison — 2026

Guy

Boy #1,562 Most Popular 1 Syllable

"forest"

Origin: Germanic

English French Norman

✓ All Clear

Boy #1,063 Most Popular 2 Syllables

"to rejoice, joyful"

Origin: Latin

Roman British European American

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Guy Rank #1,562

Caius Rank #1,063

Caius is more popular, ranked #1063 vs #1562 for Guy.

Is Guy or Caius more popular?

Caius is more popular, ranked #1063 compared to Guy at #1562 in the United States.

What do Guy and Caius mean?

Guy means "forest" (Germanic origin). Caius means "to rejoice, joyful" (Latin origin).

Are Guy and Caius boy or girl names?

Guy is primarily a boy name. Caius is primarily a boy name.