Anthony m. Latin Antonius, a Roman gens. The gens may itself be of Etruscan origin.
The name of a a 4th C Egyptian saint, a 4th C Roman martyr, a 6th C Roman saint, an 11th C Kievan saint, a 12th C Russian saint, a 13th C Italian saint, a 15th C Italian saint, a 16th C claimant to the throne of Portugal, and a 16th C king of Navarre.
The 4th C Saint Anthony was the namesake of a number of medieval orders, including the legendary Ethiopian Order of Saint Anthony, founded by Prester John in the 4th C, the Hospital Brothers of Saint Anthony, founded in the late 11th C, and the Bavarian Order of Saint Anthony, founded in the late 14th C.