Cornelia Cochrane Churchill Guest is a New York socialite, author, animal rights activist, and the Debutante of the Decade for the 1980s of the International Debutante Ball in New York City.
She is the only daughter of the late actress, author, columnist, horsewoman, fashion designer, and socialite C. Z. Guest and her husband, polo champion and member of the Guest family of Britain, Winston Frederick Churchill Guest.
Cornelia's godparents were her parents' friends, the former King Edward VIII, the Duke of Windsor, and his wife, Wallis Simpson.