Thomas Champion de Crespigny (c. 1763 – 2 August 1799) was a British lawyer and politician who sat in the House of Commons between 1790 and 1796.
Crespigny and Windham's nominee, John Hippisley, defeated the ministerial candidates.
[3] On 27 November 1792 he presented the Castle Baynard ward petition against Pitt's measures to curb sedition.
Her younger sister, Anne Thellusson, was the wife of Vice-Admiral William Lukin.
His widow married Sir Joseph Whatley, KCH on 3 February 1827 before her death on 24 July 1853.