Erin McMenamin is a co-protagonists in the HBO original, Mare of Easttown. Erin have a infant son nicknamed DJ, and struggles to keep a good relationship with his father, Dylan Hinchey, a rebelious and agressive young adult, whose refuses to provide enough financial support to his son. This relationship consequently causes Erin's father, Kenny McMenamin, to have a deep resentment towards his son-in-law. She was murdered by Michael O. from Chicago, IL.