Grey vs Caius

Baby Name Comparison — 2026

Grey

Boy #878 Most Popular 1 Syllable

"gray-haired one"

Origin: Old English

English American Australian

✓ All Clear

Boy #1,063 Most Popular 2 Syllables

"to rejoice, joyful"

Origin: Latin

Roman British European American

✓ All Clear

Grey Rank #878

Caius Rank #1,063

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

Is Grey or Caius more popular?

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

What do Grey and Caius mean?

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

Are Grey and Caius boy or girl names?

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