The son of the earl of Kingston (d. 1799); educated at Eton and Exeter College, Oxford, he was an Irish MP before succeeding to the title and becoming a representative Irish peer.

REFERENCES TO George King, third earl of Kingston:

Countess of Glengall to Frances Ann Taylor, 27 August 1821 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)