William Lowther, 1st Earl of Lonsdale

The Right Honourable The Earl of Lonsdale KG
Portrait of The Earl of Lonsdale, 1806, by Samuel William Reynolds (after John Opie)
Member of Parliament for Rutland
In office 1801–1802 Serving with Gerard Noel Edwards
Preceded by	Union of Great Britain and Ireland
Succeeded by	Gerard Noel Edwards The Lord Carbery
In office 1796–1801 Serving with Gerard Noel Edwards
Preceded by	Gerard Noel Edwards Lord Sherard
Succeeded by	Union of Great Britain and Ireland
Member of Parliament for Cumberland
In office 1784–1790 Serving with Sir Henry Fletcher, Bt
Preceded by	Sir Henry Fletcher, Bt Sir James Lowther, Bt
Succeeded by	Sir Henry Fletcher, Bt Humphrey Senhouse
Member of Parliament for Carlisle
In office 1780–1784 Serving with The Earl of Surrey
Preceded by	Anthony Morris Storer Walter Spencer Stanhope
Succeeded by	The Earl of Surrey Edward Norton
Member of Parliament for Appleby
In office 1780–1781 Serving with Philip Honywood
Preceded by	Philip Honywood George Johnstone
Succeeded by	Philip Honywood William Pitt
Personal details
Born	William Lowther (1757-12-29)29 December 1757
Died	19 March 1844(1844-03-19) (aged 86) York House, Twickenham
Political party	Tory
Spouse	Lady Augusta Fane ​ ​ (m. 1781; died 1838)​
Relations	Sir John Lowther, Bt (brother) Henry Zouch (uncle) Thomas Zouch (uncle) Henry Lowther, 3rd Earl of Lonsdale (grandson) William Lowther (grandson)
Children	6
Parent(s)	Sir William Lowther, 1st Baronet Anne Zouch
Education	Westminster School
Alma mater	Trinity College, Cambridge

William Lowther, 1st Earl of Lonsdale, KG (29 December 1757 – 19 March 1844), also known as Sir William Lowther, 2nd Baronet, of Little Preston, from 1788 to 1802, and William Lowther, 2nd Viscount Lowther, from 1802 to 1807, was a British Tory politician and nobleman known for building Lowther Castle.