Mamie Gummer born on 3 August 1983 in New York City to Don Gummer and Meryl Streep. She is a citizen of United States of America. Mamie Gummer was educated at Northwestern University, Northwestern University School of Communication, Kent School and Miss Porter's School. She lives at Los Angeles.
She is an American actress.
Mamie Gummer has had two spouses: Benjamin Walker and Justin Hartley. She has three siblings Henry Wolfe Gummer, Grace Gummer and Louisa Gummer.
Mamie Gummer has worked as an actor, stage actor, television actor and film actor. She has has won Theatre World Award.
She is also known as Mary Willa "Mamie" Gummer.