Lady Dorothy Macmillan

Lady Dorothy Macmillan GBE
Lady Dorothy in 1920
Born	Dorothy Evelyn Cavendish (1900-07-28)28 July 1900
Died	21 May 1966(1966-05-21) (aged 65) Birch Grove, East Sussex, England
Nationality	British
Known for	Spouse of the prime minister of the United Kingdom (1957–1963)
Spouse	Harold Macmillan ​ (m. 1920)​
Children	4, including Maurice and Caroline
Parents	Victor Cavendish, 9th Duke of Devonshire (father) Lady Evelyn Petty-Fitzmaurice (mother)

Lady Dorothy Evelyn Macmillan GBE (née Cavendish; 28 July 1900 – 21 May 1966) was an English socialite and the third daughter of Victor Cavendish, 9th Duke of Devonshire, and Evelyn Cavendish, Duchess of Devonshire. She was the spouse of the prime minister of the United Kingdom between 1957 and 1963, as the wife of Harold Macmillan.