Mary Catherine Sackville-West
- Born on July 23, 1824
- Deceased on December 6, 1900, at the age of 76 years
Family
- Married on April 29, 1847, with James Brownlow William Cecil (1791 - 1868), Marquess of Salisbury, lord president of the Council, lord Privy Seal
- Married on July 5, 1870, with Edward Henry Stanley (1826 - 1893), Earl of Derby, secretary of State for Foreign Affairs, secretary of State for the Colonies, without issue.