Lăbĕo (noun M) :
* A surname: labra, a quibus Brocchi Labeones dicti,Plin. 11, 37, 60, § 159.—Esp. a surname of the Antistii, Atinii, Fabii, and other Roman families; so, Antistius Labeo,a celebrated teacher of law in the time of Augustus,Gell. 13, 10, 1; Dig. 1, 2, 2, § 44; 47; Gai. Inst. 1, 188.

Male Personal name
Confirmed occurences in the Roman Empire:

• M. Antistius Labeo (Masc, senator), ref: PIR A 0760 | PIR ID1486
• Asconius Labeo (Masc), ref: PIR A 1205 | PIR ID2087
• Attius Labeo (Masc), ref: PIR A 1358 | PIR ID2287
• Cethecius Labeo (Masc, senator), ref: PIR C 0698 | PIR ID3949
• Claudius Labeo (Masc), ref: PIR C 0906 | PIR ID4338
• Cornelius Labeo (Masc), ref: PIR C 1373 | PIR ID4888
• Domitius Labeo (Masc), ref: PIR D 0151a | PIR ID5424
• Sex. Laecanius Labeo (Masc, eques), ref: PIR L 0035 | PIR ID8145
• Q. Licinius ... Modestinus Sex. Attius Labeo (Masc, senator), ref: PIR L 0213 | PIR ID8338
• Pacuvius Antistius Labeo (Masc, senator), ref: RE 1,2 (1894) 2557 | PIR ID10025
• Pomponius Labeo (Masc, senator), ref: PIR P 0726 | PIR ID10818
• T. Prifernius Paetus Rosianus Nonius Agricola C. Labeo Tettius Geminus (Masc, senator), ref: PIR P 0939 | PIR ID11034
• Titedius Labeo (Masc, senator), ref: PIR T1 0185 | PIR ID13178
• Varsinus Labeo (Masc, senator), ref: XI 4183 | PIR ID14062