Măcrŏbĭus (noun M) : Μακρόβιος (living long): Aurelius Macrobius Ambrosius Theodosius * A Roman grammarian at the end of the fourth century, author of a commentary on Cicero's Somnium Scipionis, and of a treatise entitled Convivia Saturna lia, cf. Jan. Proleg. ad Macr. p. 1 sq.
Charlton T. Lewis, Charles Short, A Latin Dictionary
PIR
Male Personal name Confirmed occurences in the Roman Empire:
Macrobius Candidianus (Masc, eques), ref: PIR M 0035 | PIR ID8671