Home|Baby Names|Baby Name Generator|gaiusGaius for a baby name< Back to all baby names alt. Gaeus Latin, meaning ‘rejoicing’. Julius Caesar’s full name was Gaius Julius Caesar. Search by letterabcdefghijklmnopqrstuvwxyzSearch by categoryOld-fashioned Boy's NamesUnique Boy's NamesUnique Girl's NamesIndian Girl's NamesBoy's NamesCute Boy's NamesAmerican NamesOld-fashioned NamesMuslim Boy's NamesUnusual NamesLong NamesJapanese Boy's NamesOld-fashioned Girl's NamesPretty NamesDouble-Barrelled Boy's NamesDouble-Barrelled Girl's NamesBiblical Boy's NamesScottish Girl's NamesIrish Girl's NamesCool Girl's NamesRoyal NamesWelsh Girl's Names