What is caius name?

The name "Caius" (also spelled Gaius) is a common Roman praenomen, or personal name. Its meaning is uncertain, but theories suggest it may be related to words meaning "to rejoice" or "sea-fowl". It was a very widespread name among the Romans, and numerous historical figures bore it, including several emperors and prominent members of the Roman Republic. Because of its popularity, it is an important name in the study of Roman onomastics (the study of names).