- Born on September 4, 1748
- Deceased on June 13, 1823, at the age of 74 years
Parents
- James Cecil (1713 - 1780), Earl of Salisbury, high Steward of Hertford, governor of the Foundling Hospital of London
- Elizabeth Keet (1721 - 1773)
Family
- Married on December 2, 1773, with Emily Hill (1751 - 1835), issuing
Occupations
- lord chamberlain
- lord-lieutenant of Hertfordshire
- privy counsellor
- Member of Parliament
- treasurer of the Household