Spencer Cavendish, 8th Duke of Devonshire

Spencer Compton Cavendish (23 July 1833 – 24 March 1908), known as Lord Cavendish of Keighley from 1834 to 1858, as Marquess of Hartington from 1858 to 1891 8th Duke of Devonshire from 1891.

He was a Liberal Party Member of Parliament from 1857-1885, joining the Liberal Unionist Party on the split over Irish Home Rule in 1885. In 1891 he inherited his father's title and moved to the House of Lords, where he was leader of the Liberal Unionists until 1903. He held a number of cabinet posts as well as being Lord Lieutenats of Derbyshire and County Waterford at the same time.

From 1894-1897 he was an alderman on Middlesex County Council.