Corfield was born in London, the daughter of Richard Conyngham Corfield, of the Corfield family of Chatwall Hall, Shropshire[2] and Jermyn Street shirt designer Emma Willis.[3][4] She has two siblings.[citation needed] Corfield attended Downe House School in Cold Ash, a village near Newbury, Berkshire.[citation needed] Corfield studied English literature at University College London before taking a method acting course at the Lee Strasberg Theatre and Film Institute in New York.[citation needed]