List of Famous people who died at 74

Frances Laura Spencer-Churchill, Duchess of Marlborough, was a British noblewoman and socialite. She was variously Viscountess Long, Countess of Dudley and became Duchess of Marlborough upon her fourth marriage, to John Spencer-Churchill, 10th Duke of Marlborough. She was the sister of novelist Hugo Charteris and Ann Charteris, as well as the granddaughter of Hugo Charteris, 11th Earl of Wemyss. Her third husband, Michael Temple Canfield, was the former husband of Lee Radziwill, sister of Jacqueline Kennedy Onassis. During World War II, she served as an auxiliary nurse.

Jacqueline Cochran was an American pilot and business executive. She pioneered women's aviation as one of the most prominent racing pilots of her generation. She set numerous records and was the first woman to break the sound barrier on 18 May 1953. Cochran was the wartime head of the Women Airforce Service Pilots (WASP) (1943–44), which employed about 1000 civilian American women in a non-combat role to ferry planes from factories to port cities.

Michael Henry Pertwee was an English playwright and screenwriter. Among his credits were episodes of The Saint, Danger Man, Alfred Hitchcock Presents, B-And-B, Ladies Who Do, Hong Kong and many other films and TV series.