- Born on July 25, 1895 in Hatfield
- Deceased on December 24, 1988 in London, at the age of 93 years
Parents
- James Gascoyne-Cecil (1861 - 1947), Marquess of Salisbury, lord president of the Council, leader of the House of Lords
- Cicely Gore (1867 - 1955), lady of the Bedchamber to Queen Alexandra
Family
- Married on April 21, 1917, with Edward Cavendish (1895 - 1950), Duke of Devonshire, issuing