The Lowther baronetcy, of Marske in the County of York, was created in the Baronetage of England on 15 June 1697 for the 21-year-old William Lowther, subsequently Member of Parliament for Lancaster.
[2] His father was Anthony Lowther.
[4] He was succeeded by his son, the 2nd Baronet, who also represented Lancaster in the House of Commons.
[3][5] On his death the title passed to his son, the 3rd Baronet, who served as Lord-Lieutenant of Westmorland.
In 1755 he succeeded to the estates of his cousin Sir James Lowther, 4th Baronet, of Whitehaven;[6] but then died unmarried, at an early age the following year when the baronetcy became extinct.