He was elected to the House of Commons for Northampton in 1761, a seat he held until 1763 when he succeeded his elder brother in the earldom and entered the House of Lords. He also served as a Groom of the Bedchamber to George III (1760–63), as Recorder of Northampton from 1763 to his death and as Lord Lieutenant of Northamptonshire from 1771 to death.
This article needs additional citations for verification. (June 2016) (Learn how and when to remove this template message)
- "COMPTON, Spencer (1738-96)". History of Parliament Online. Retrieved 25 April 2016.
- Kidd, Charles, Williamson, David (editors). Debrett's Peerage and Baronetage (1990 edition). New York: St Martin's Press, 1990,[page needed]
- Leigh Rayment's Peerage Pages [self-published source][better source needed]
|Parliament of Great Britain|
| Member of Parliament for Northampton
With: Frederick Montagu
The Earl of Halifax
| Lord Lieutenant of Northamptonshire
The Earl of Northampton
|Peerage of England|
| Earl of Northampton