Sugden was born in London on 12 February 1781, and died at Boyle Farm, Thames Ditton, Surrey on 29 January 1875. He was the second son of Richard Sugden, a hairdresser of Duke Street, Westminster and his wife, Charlotte Burtenshaw. Sugden was educated at a private school and then went into a conveyancer's chambers. On 16 September 1802 he became a student at Lincoln's Inn. On 23 November 1807 he was called to the bar after two years of practice as a certificated conveyancer. On 23 December 1808 he married Winifred Knapp; they had seven sons and seven daughters. Sugden was elected a bencher on 23 January 1822 and treasurer in 1836.
From The Biographical Dictionary of British Economists in Oxford Reference.