Elizabeth Banks has English, Irish, Scottish, and one sixteenth Dutch, ancestry.
Elizabeth Irene Mitchell was born on February 10, 1974, in Pittsfield, Massachusetts, the United States, as the eldest of the four children of Mark Mitchell and Ann (Wallace) Mitchell. Her father, a Vietnam veteran, worked in General Electric and her mother was a bank employee.
Banks was raised in Pittsfield, Massachusetts, on Brown Street. Growing up, Banks played baseball, softball and rode horses. She was in Little League when she broke her leg sliding into third base.