Family and Education
b. 10 May 1754, 3rd but 1st surv. s. of George Sinclair of Ulbster and Thurso by Janet, da. of William Sutherland. Lord Strathnaver, s. of John, 16th Earl of Sutherland [S]. educ. Edinburgh h.s. 1761-3; Edinburgh Univ. 1765-7, 1768-70; Glasgow Univ. 1773-4; Trinity, Oxf. 1775; adv. 1775; L. Inn 1774, called 1782. m. (1) 26 Mar. 1776, Sarah (d. 15 May 1785), da. of Alexander Maitland, merchant, of Stoke Newington, Mdx., 2da.; (2) 6 Mar. 1788, Hon. Diana Jane Elizabeth Macdonald, da. of Alexander, 1st Baron Macdonald [I], 7s. 6da. suc. fa. 1770; cr. Bt. 14 Feb. 1786.
Offices Held
1806 – 14; PC 29 Aug. 1810; cashier of excise [S] 1811–30.
Col. Rothesay and Caithness fencibles 1794; lt.-col. commdt. Caithness vols. 1803, col. 1803.
Main residences: Ulbster; Thurso Castle, Caithness.
Volume
Commons 1790-1820
Web Title
SINCLAIR, Sir John (1754-1835)
Will
Estates
Oxford 1644
No
Addresses
Religion
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