 While at home in Pompton, New Jersey, de Mille contracted pneumonia and died there after a brief struggle on February 10, 1893.He was survived by his wife and children, though his young daughter would fall victim to spinal meningitis just two years later.Two months after de Mille died his widow founded the Henry C. De Mille School for Girls in Pompton and opened an office on Broadway becoming only the second woman playbroker (facilitator) in America working with playwrights, producers and actors.