Opĭlĭus (noun M) : * A Roman surname. * Aurelius Opilius, a grammarian and author, Suet. Gram. 6. * Another Aurelius Opilius, a physician, Plin. 28, 4, 7, § 38. * M. Opilius Severus Macrinus, emperor of Rome, A. D. 218, Eutr. 8, 21.
Charlton T. Lewis, Charles Short, A Latin Dictionary
PIR
Male Personal name Confirmed occurences in the Roman Empire:
Opilius Pedo Apronianus (Masc, senator), ref: PIR O 0109 | PIR ID9893