Sir William Blackett, 1st Baronet, of Newcastle-upon-Tyne

Sir William Blackett, 1st Baronet (14 June 1657 – December 1705) was a landowner and politician who sat in the House of Commons in three periods between 1685 and 1705.

[4] Blackett was High Sheriff of Northumberland in 1688 and in 1689 he acquired large parts of the Allendale estate from the impoverished Sir John Fenwick.

He also bought Wallington Hall, Cambo, Northumberland from Fenwick and substantially rebuilt it.

[2][5] He developed Wallington more as a shooting lodge and the main family seat remained in Newcastle, the house there being occupied until 1783.

[3] He was esteemed a man of strict propriety and was distinguished as an orator in the House of Commons.