plebeian, is mentioned as early as B. C. 449 [VILLIUS, No. 1], but the only member of the gens who obtained the consulship was P. Villius Tappulus, who was consul B. C. 199. The Villii were divided into the two families of ANNALIS and TAPPULUS : a few persons of the name are mentioned without any cognomen.
A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890