Her brother, W. Alphaeus Hunton Jr., was an author, academic and activist noted for his involvement with the Council on African Affairs and promotion of Pan-African identity.

She was selected as one of two women to go to France during World War I to check on the condition of United States black servicemen.

In 1932, Carter became the first black woman to receive a law degree from Fordham University in New York City (Gray, 2007, n.p).

The conviction was described by Luciano biographer Tim Newark as, "a land-mark in legal history as it was the first against a major organized crime figure for anything other than tax evasion".

In addition to her work for the UN, she also served on the executive committee of the International Council of Women, an organization with representatives from 37 countries.

He practiced law and later worked in the John F. Kennedy and Lyndon B. Johnson presidential administrations as a political appointee.

[7] In this biography of his paternal grandmother, Professor Carter includes "the possibility of a long-running affair with jazz musician Fletcher Henderson."

The biography also notes the imprisonment of Eunice's brother W. Alphaeus Hunton Jr. for contempt of court, after refusing to answer questions about his knowledge of fugitive leaders of the Communist Party (for whose bail fund he had served as a signatory),[8] and the consequent estrangement between the two siblings.