48%RatingSave Gender Masculine Usage Ancient Roman Meaning & HistoryExpand Links Roman cognomen that was derived from Maximus. This was the name of a 3rd-century Roman emperor (Marcus Aurelius Valerius Maximianus) who ruled jointly with Diocletian. Related NamesFamily Tree·Details Other Languages & CulturesMaximian(History) Maximiano(Portuguese) Maximiano(Spanish) Categories emperors, ends in -anus, greatness, poets