Male Personal name
Confirmed occurences in the Roman Empire:
- T. Calestrius Tiro Orbius Speratus (Masc, senator), ref: RE Suppl. 14 (1974) 84 s.v. Calestrius 4 | PIR ID3369
- Orbius (Masc), ref: PIR O 0132 | PIR ID9914
- Orbius Laetianus (Masc, eques), ref: PIR O 0133 | PIR ID9915