- Born on June 27, 1921
- Deceased on March 10, 1984, at the age of 62 years
Parents
- Harold Maurice Macmillan (1894 - 1986), Earl of Stockton, prime minister of the United Kingdom, member of parliament for Stockton-on-Tees
- Evelyn Cavendish (1900 - 1966)
Family
- Married with Katharine Ormsby-Gore (1921 - 2017), Dame Commander of the Order of the British Empire, vice president of the Conservative Party, issuing
Occupations
- member of parliament for Halifax (1955 - 1964)
- member of parliament for Farnham (1966 - 1983)
- member of parliament for South West Surrey (1983 - 1984)
- chief Secretary to the Treasury (1970 - 1972)
- secretary of State for Employment (1972 - 1973)
- paymaster General (1973 - 1974)