He was the second son of William Lowther, 1st Earl of Lonsdale, and his wife Lady Augusta (née Fane) (eldest daughter of John Fane, 9th Earl of Westmorland and, his first wife, Augusta Bertie, a granddaughter of Robert Bertie, 1st Duke of Ancaster and Kesteven).
[1] He served with the 7th Hussars during the campaign of 1809 in Spain, including the battles of Mayorga, Sahagún, Benevente, and the retreat to Corunna.
[3][4] First elected in 1812 for Westmorland, a constituency long in the family interest, he continued to be returned until his death on 6 December 1867 at Barleythorpe Hall, Rutland.
A right-handed batsman and right arm slow roundarm bowler, he played most frequently for MCC.
[7] Together, they were the parents of seven children, three sons and four daughters, including:[7] Lady Lucy died 8 June 1848.