Gaius latin, BiblicalRoman praenomen, or given name, of uncertain meaning. It is possibly derived from Latin gaudere "to rejoice", though it may be of unknown Etruscan origin. This was a very common Roman praenomen, the most famous bearers being Gaius Julius Caesar, the great leader of the Roman Republic, and his adopted son Gaius Octavius (later known as Augustus), the first Roman emperor.
Biblical namesake: Gaius is addressed in the Third Epistle of John as a beloved friend and faithful Christian. He is remembered for his hospitality and support of early Christian missionaries. (3 John · 3 John 1)
Saintly namesake: Gaius of Milan was a 3rd-century bishop and one of several saints named Gaius. He is remembered for his leadership of the early Christian community in Milan. (September 27 · 3rd century)
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