Dēcĭdĭus (noun M) : * A Roman proper name, esp. L. Decidius Saxa, a military officer who served under Caesar, Caes. B. C. 1, 66; Cic. Phil. 8, 3, 9 al.
Charlton T. Lewis, Charles Short, A Latin Dictionary
PIR
Male Personal name Confirmed occurences in the Roman Empire:
T. Decidius Domitianus (Masc, eques), ref: PIR D 0022 | PIR ID5231
T. Domitius Decidius T. Domitius Decidianus (Masc, senator), ref: PIR D 0143 | PIR ID5413