Gent. of bedchamber to Geo. I, 1714 – 27; PC 1714.
Commr. supply, Ayr and Wigtown 1695, 1704; burgess, Edinburgh 1710.
Vol., 26 Ft. (Cameronians) 1692; lt.-col. Scots Ft. Gds. 1702; a.d.c. to John Churchill, duke of Marlborough, 1703; col. Scots coy. Ft. (Dutch service) 1703–6,
Envoy extraordinary Poland 1709 – 10, France 1714 – 15; amb. extraordinary, France 1715 – 20, United Provinces 1742 – 43.
oil on canvas, by school of G. Kneller, Govt. Art. Coll.; oil on canvas, by W. Aikman, c.1727, Glasgow Museums; oil on canvas by A. Ramsay, oils, c.1742 Newhailes, National Trust for Scotland.
