Thrăsybūlus (noun M) : Θρασύβουλος * The liberator of Athens, his native city, from the thirty tyrants. His life is written by Cornelius Nepos; cf. also Cic. Att. 8, 3, 6; Val. Max. 4, 1, ext. 4; 5, 6, ext. 2.
Charlton T. Lewis, Charles Short, A Latin Dictionary
PIR
Male Personal name Confirmed occurences in the Roman Empire:
Thrasybulus (Masc), ref: PIR T1 0136 | PIR ID13095