Feminine Personal name
Confirmed occurences in the Roman Empire:

• Bellicia Modesta (Fem, senator), ref: PIR B 0105 | PIR ID2941
• Iunia Aiacia Modesta (Fem, senator), ref: PIR A 0471 | PIR ID7882
• Oscia Modesta ...ia ...ia Cornelia Patruina Publiana (Fem, senator), ref: PIR O 0155 (= P1 0772) | PIR ID9937
• Volumnia Modesta (Fem, senator), ref: PIR V1 0645 | PIR ID14639