William Stewart (1737–1797)

William Stewart (1737 – 8 October 1797), of Castle Stewart, was a Scottish MP in the British Parliament. He was a member of a junior branch of the family of the Earl of Galloway, being the first son of John Stewart of Castle Stewart.

Stewart was educated at Glasgow University. He was an officer in the 60th Regiment of Foot during the Seven Years' War, leaving the army in 1769 as a Captain.

He represented Wigtown Burghs in 7 May 1770 – 1774 and Kirkcudbright Stewartry in 1774–1780.

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