George Onslow, Lord Onslow and Cranley 1st Earl of Onslow

13th Sep 1731 - 17th May 1814


Only son of the Speaker Arthur Onslow, and heir to his cousin Richard Lord Onslow (q.v.) under the will of Richard's father Thomas Lord Onslow (q.v.). Succeeded his father 17 February 1768. Created Baron Cranley 20 May 1776; under the will of Richard's father Thomas Lord Onslow (q.v.), succeeded his cousin, Richard, Lord Onslow (q.v.) as 4th Baron Onslow 8 October 1776. Created Earl of Onslow 19 June 1801.

'On the death of his cousin he succeeded to the family estates, said to be worth £18,000 per annum.'

Married, 26 June 1753, Henrietta, daughter of Sir John Shelley, 4th Bt., sister of John Shelley and niece of Thomas, 1st Duke of Newcastle. 1 daughter and 4 sons.

Shown as owner of Whitehall Estate in St Thomas-in-the-East from 1775 (although he succeeded his cousin only in 1776) until 1784.

MP for Rye (1754-1761) and Surrey (1761-1774).


John Brooke, 'Onslow, George (1731-1814)', History of Parliament online.

Further Information

Henrietta Shelley
1 daughter, 4 sons

Associated Estates (1)

The dates listed below have different categories as denoted by the letters in the brackets following each date. Here is a key to explain those letter codes:

  • SD - Association Start Date
  • SY - Association Start Year
  • EA - Earliest Known Association
  • ED - Association End Date
  • EY - Association End Year
  • LA - Latest Known Association
1776 [SY] - 1814 [EY] → Owner

Legacies Summary

Political (1)

election →
Rye Sussex
1754 - 1761
election →
Surrey Surrey
1761 - 1774

Relationships (2)

Father → Son
First Cousins

Addresses (2)

Clandon Park, Epsom Road, Guildford, Surrey, South-east England, England
Ember Court, Surrey, South-east England, England
Notes →

George Onslow inherited Imber Court from his father Arthur Onslow in 1768