4 Gaius names that mean gaius for boys, listing Gaius baby names 1-4. Jay is a popular name. Caius, Gaius and Kay are uncommon names. View Gaius baby names for name meanings, search Gaius names for girls, or search other baby names.
Caius ... Common Roman form of Gaius ... 
Gaius ... 
Jay ... Also possibly from the Latin name Gaius meaning "happy" ... 
Kay ... From Gaius. Ancient name borne, in legend ...