This name derives from the Latin “mamma > mămilla > mămillānus”, meaning “of mamilius, breast, breast shaped, nozzle to release the water, hole, tap”. Saint Mamilian was a bishop of Palermo of the fifth century. Mamilian lived in Sicily at a time when the vandals dominated the island. The family Mamiliă was a plebeian family of Rome during the period of the republic. The family was originally one of the most distinguished families of Tusculum, and indeed in the whole of Latium. Octavius Mamilius († 498 BC) was Princeps (leader, prince) of Tusculum, an ancient city of Latium. He was the son-in-law of Lucius Tarquinius Superbus, the seventh and last king of Rome.