plebeian, is first mentioned in B. C. 379, when one of its members was consular tribune. The gens, however, never obtained much distinction, and their name does not once occur on the Consular Fasti. Towards the end of the republic, and under the empire, we meet with a few Sextilii, with cognomens, which are given below ; but the gens was not divided into families with distinctive surnames.
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