Possibly from the Greek word “ίουλος”, pronounced ioulos, meaning the first beard of adolescent boys.
It is related to Jupiter, Roman god of the sky, king of the gods in ancient Roman religion.
Julius was also the name of a prominent Roman family.
Most famed member of the family was Gaius Julius Caesar, who became a dictator and was stabbed to death by Brutus.
It was not often used until the Renaissance period, after which it was imported to England as well.
Famous bearers are Julius W. Erving, Julius Peppers, Julius Tennon, Julius Harris, Julius J. Epstein, Julius Evola.
Julius W. Erving, retired American basketball player, known as Dr. J among basketball fans, is acknowledged as one of the best dunkers of the NBA.