CAMPBELL, John III (c.1770-1809), of Shawfield and Islay, Argyll.

Campbell, who inherited the whole of the island of Islay from his father, entered Parliament on the interest of his brother-in-law, the 6th Duke of Argyll. As was expected from his connexions, he was in opposition to the Portland ministryGrey mss, Maxwell to Howick, 11 June [1807]. and, before his death, voted against it on four important divisions: on the address, 26 June 1807; for Whitbread’s motion of 6 July, for a committee on the state of the nation; for Ponsonby’s motion, 3 Feb. 1808, critical of the Copenhagen expedition; and for Calcraft’s amendment to the mutiny bill, 14 Mar. He joined Brooks’s Club, 24 Mar. 1808. At that time the lord advocate admitted that administration could not expect to dislodge Campbell from his seat.SRO GD51/5/364/15.

He died v.p. 13 Mar. 1809. His wife became lady-in-waiting to the Princess of Wales, a belle lettriste and reputed author of the Diary Illustrative of the Times of George IV (1838).DNB (Bury, Lady).