| Constituency | Dates |
|---|---|
| Dumfries Burghs | 1713 – 1713 |
| Dumfriesshire | 1713 – 1715 |
| Dumfries Burghs | 1713 – 8 Aug. 1713 |
| Dumfriesshire | 1715 – 1722 |
Family and Education
2nd s. of Sir James Johnstone, M.P. [S], of Westerhall by Margaret, da. of John Bannatyne of Core house, Lanark. m. bef. Mar. 1701, Henrietta, da. and coh. of James Johnston of Sheens, Edinburgh, 2s. suc. bro. as 2nd Bt. 30 Sept. 1711.
Offices Held
M.P. [S] Annan 1698 – 1702, 1703–7.
Address
Main residence: Westerhall, Dumfries.
biography text
Johnstone was related to the 1st Marquess of Annandale, on whose interest he was returned for Dumfriesshire. His only recorded vote was for the peerage bill in 1719, when he was classed as a government supporter. He did not stand again, dying 8 Oct. 1727.
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