Caius vs Grey

Baby Name Comparison — 2026

Caius

Boy #1,063 Most Popular 2 Syllables

"to rejoice, joyful"

Origin: Latin

Roman British European American

✓ All Clear

Boy #878 Most Popular 1 Syllable

"gray-haired one"

Origin: Old English

English American Australian

✓ All Clear

Caius Rank #1,063

Grey Rank #878

Grey is more popular, ranked #878 vs #1063 for Caius.

Is Caius or Grey more popular?

Grey is more popular, ranked #878 compared to Caius at #1063 in the United States.

What do Caius and Grey mean?

Caius means "to rejoice, joyful" (Latin origin). Grey means "gray-haired one" (Old English origin).

Are Caius and Grey boy or girl names?

Caius is primarily a boy name. Grey is primarily a boy name.