In antiquity, the oracular seeresses of the Ancient Near East and the Mediterranean were referred to by the Greek term "sibyls". In modern times, when "Sibyl"'s adopted for a woman's name, the conventional spelling's "Sybil". People Shirley Ardell Mason, the true name of Sybil Isabel Dorsett, a woman with dissociative identity disorder whose story was told in: Sybil (book), a book written by Flora Rheta Schreiber Sybil (1976 film), a 1976 film starring Sally Field Sybil (2007 film), a 2007 rem… (More on Sybil)