(adjective) : Vergĭlĭus (not Virgĭlĭus; the form Ver- is supported by the ancient MSS. and inscriptions in unbroken succession, to the fourth century A.D.; v. Ritschl, Opusc. Phil. 2, 779 sq.), ii, m.
* The name of a Roman gens; so, esp., P. Vergilius Maro,a celebrated Roman poet,Hor. C. 1, 3, 6; 1, 24, 10; 4, 12, 13; id. S. 1, 5, 40.—Hence, Vergĭlĭ-ānus, a, um, , of or belonging to the poet Vergil, Vergilian: virtus, Plin. praef. § 22: illud,Quint. 1, 3, 13: VERGILIANVS POËTA,a writer of a cento of Vergilian verses,Inscr. Grut. 64, 5.

Male Personal name
Confirmed occurences in the Roman Empire:

• P. Fulcinius Vergilius Marcellus (Masc, eques), ref: PIR F 0518 | PIR ID6364
• L. Roscius Aelianus Paculus Maecius Celer Manlius Postumus Mamilianus Vergilius Staberianus (Masc, senator), ref: PIR R 0093 | PIR ID11457
• Vergilius (Masc), ref: PIR V1 0274 | PIR ID14182
• Vergilius (Masc), ref: PIR V1 0275 | PIR ID14183
• Cn. Vergilius Capito (Masc, eques), ref: PIR V1 0276 | PIR ID14184
• Cn. Vergilius Capito (Masc), ref: AE 1909, 89 | PIR ID14185
• Vergilius Fabullus (Masc, eques), ref: CE 45 (1970) 379-380 | PIR ID14186
• Vergilius Flaccus (Masc), ref: PIR V1 0277 | PIR ID14187
• M. Vergilius Gallus Lusius (Masc, eques), ref: PIR V1 0278 | PIR ID14188
• P. Vergilius Maro (Masc), ref: PIR V1 0279 | PIR ID14189
• A. Vergilius Maximus (Masc, senator), ref: PIR V1 0280 | PIR ID14190
• P. Vergilius Pontianus (Masc, senator), ref: RE Suppl. 14 (1974) 840 s.v. Vergilius 10 | PIR ID14191
• Vergilius Romanus (Masc), ref: PIR V1 0281 | PIR ID14192
• Ti. Vergilius Rufus (Masc, senator), ref: RE Suppl. 14 (1974) 840 s.v. Vergilius 11 | PIR ID14193
• Vergilius Silo (Masc), ref: PIR V1 0282 | PIR ID14194