Sir Matthew Fetherstonhaugh, 1st Baronet FRS (/ˈfænʃɔː/ FAN-shaw; c. 1714[1] – 18 March 1774) was an English politician and landowner.
However, on 3 January 1747, Fetherstonhaugh was created a baronet of Featherstonehaugh in the County of Northumberland, in the Baronetage of Great Britain.
On his marriage to Sarah Lethieullier, sister of Benjamin Lethieullier, in December 1746,[2] he bought Uppark, Sussex and the manors of East And West Harting and in 1747 sold the family estate at Featherstone to James Wallace.
[3] In February 1752, Fetherstonhaugh was elected Fellow of the Royal Society, as 'A gentleman of literature and improvement, and versed in natural knowledge'.
In the 1750s he commissioned architect James Paine to design and build Dover House, Whitehall, London.