The Honourable Thomas Harley was a British politician who sat in the House of Commons for 41 years from 1761 to 1802.

Sir William Beckford was a Jamaican-born planter and Whig politician who twice served as Lord Mayor of London in 1762 and 1769. One of the best known political figures in Georgian era London, his vast wealth derived from the sugar plantations and hundreds of slaves he owned in the British colony of Jamaica. In Britain, Beckford was a supporter of the Whig party, including Prime Minister William Pitt, 1st Earl of Chatham. He also publicly supported progressive causes and frequently championed the London public.