Mary Murdoch was antagonist from Scottish soap opera River City she appeared in 2008.
Mary was the former wife of gangster boss Lenny Murdoch whom she had a child, Ewan Murdoch with. Mary was vengeful against Lenny and eventually attempted to kill Lenny along with her associate Archie and son Ewan. However, Lenny escaped with the help of Ewan and would order his men to kill both Mary and Archie. Mary was was seen getting in a taxi with Lenny's hitman, the hitman later tells Lenny they have dealt with Mary.
She was played by Judith Sweeney.