Mary Ann Petterson is portrayed by June Squibb; she is Melinda's grandmother and, like her, bears the gift of the ability to speak to the dead.  Mary Ann supported the idea of Melinda learning more about her gift, but her daughter Beth refused to allow her daughter to do so, leading to a fall out between Mary Ann and Beth.

Character OverviewEdit

Early LifeEdit

Season OneEdit

Season TwoEdit

Season ThreeEdit


Beth makes a total of 7 appearances throughout the first three seasons.