William Cavendish, 7th Duke of Devonshire

His Grace The Duke of Devonshire KG PC
The 7th Duke of Devonshire, by Herbert Rose Barraud, c. 1880s
Member of Parliament for North Derbyshire
In office 1832–1834 Serving with Thomas Gisborne
Preceded by	New constituency
Succeeded by	Thomas Gisborne Lord George Henry Cavendish
Member of Parliament for Malton
In office 1831–1831 Serving with Henry Gally Knight
Preceded by	Francis Jeffrey Henry Gally Knight
Succeeded by	Henry Gally Knight Charles Pepys
Member of Parliament for Cambridge University
In office 1829–1831 Serving with The Viscount Palmerston
Preceded by	The Viscount Palmerston Sir Nicholas Conyngham Tindal
Succeeded by	Henry Goulburn William Yates Peel
Personal details
Born	27 April 1808 (1808-04-27)
Died	21 December 1891 (1891-12-22) (aged 83) Holker Hall, Cartmel, Cumbria
Resting place	St Peter's Church, Edensor
Nationality	British
Political party	Whigs
Spouse	Blanche Georgiana Howard ​ ​ (m. 1829; died 1840)​
Children	5, including Spencer Cavendish, 8th Duke of Devonshire Lord Frederick Cavendish Lord Edward Cavendish
Parent(s)	William Cavendish Louisa O'Callaghan
Alma mater	Trinity College, Cambridge
Awards	Smith's Prize (1829)

William Cavendish, 7th Duke of Devonshire (27 April 1808 – 21 December 1891), styled Lord Cavendish of Keighley between 1831 and 1834 and Earl of Burlington between 1834 and 1858, was a British aristocrat, landowner, property developer, industrialist, benefactor, and prominent politician.