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Gender: Male Pronunciation: GUY-us Meaning of Gaius: "to rejoice" Origin of Gaius: Latin

The name Gaius is a boy's name of Latin origin meaning "to rejoice". Gaius and is often added to lists like Bible Names for Boys and discussed in our forums with posts like "Heaven, Hell, Purgatory - Boys".

From the experts:

Ancient Latin names are beginning to form a minitrend -- Marcellus, Aurelius, Augustus, Atticus, Magnus, Darius -- and this would certainly fit into that category. But though Gaius is pronounced guy-us, the teasing potential of the first syllable could be tough on a little boy.

Find other names based on Gaius using our baby name generator.

Famous People Named Gaius

Gaius, Paul's host named in Romans 16:23
Gaius of Derbe (Acts 20:4)
Gaius, recipient of the apostle John's third epistle
(Gaius) Julius Caesar, Roman politician who later became the Dictator of Rome
Gaius Julius Caesar Octavianus, aka Augustus, first Roman Emperor
Gaius Julius Caesar Augustus Germanicus, aka Caligula, Roman Emperor
Gaius Julius Caesar (born Gaius Vipsanius Agrippa), adopted son of Augustus
Gaius Sempronius Gracchus, Roman politician known for his reformative laws
Gaius Cilnius Maecenas, adviser to Augustus
Gaius Marius, Roman general and consul
Gaius Avidius Cassius, Usurper of the Roman Empire
Gaius Valerius Troucillus, interpreter for Julius Caesar
Gaius Valerius Flaccus, Roman consul
Gaius Antonius Hybrida, Roman consul
Gaius Charles, American actor
Gaius Lee DuPree, American actor

Pop Culture References for the name Gaius

Gaius Baltar, character on TV's "Battlestar Galactica"
Gaius Helen Mohiam, female character in Frank Herbert's "Dune"
Gaius, character TV's "Merlin"
Gaius, a candy-obsessed thief in video game "Fire Emblem Awakening"
Gaius Sextus, Gaius Septimus, and Gaius Octavian aka Tavi, Codex Alera
Gaius Maro, character in video game "The Elder Scrolls V: Skyrim"
General Gaius, a character in video game "Dust: An Elysian Tail"
Gaius Van Baelsar, character in video game "Final Fantasy XIV: A Realm Reborn"
King Gaius, a character in video game "Tales of Xillia"
Gaius, a blacksmith in video game "Rune Factory 3"
Gaius, a character in video game "Tears to Tiara"
Gaius, one of the 16 colossi in video game "Shadow of the Colossus"

Guy, Keys, Keyes, Cai, Kay, Caio, Kaye


RainstreamofSpiritClan Says:


"Gay-us" never even crossed my mind until I read the nameberry description.

wijcik Says:


Me too!

eveyalecia Says:


I can only associate this name to Richard Wilson's character on BBC's Merlin.

Mariokemon Says:


I dont see how Gaius is teasable

EW314 Says:


I really like Gaius, but I agree that Caius is less teasable.

Marlz81 Says:


I prefer Caius

Guest Says:


I like this! I think it's unique and dope.