Proper name: ACERRO'NIA, a friend of Agrippina, the mother of Nero, was drowned in b. c. 39, when an unsuccessful attempt was made at the same time to drown Agrippina. (Tac. Ann. xiv. 4 ; Dion Cass. lxi. 13.) (Wikisource | public domain)

Feminine Personal name
Confirmed occurences in the Roman Empire:

• Acerronia Polla (Fem, senator), ref: PIR A 0034 | PIR ID526

s. TLL