William Mainwaring (English politician) Burdett. Mainwaring had previously resisted Burdett's calls for an inquiry into prison abuses, particularly at Coldbath Fields Prison. Mainwaring was defeated by Burdett but the election was declared void in 1804 and in the following contest William's son George Boulton Mainwaring was elected. The result was reversed in favour of Burdett in 1805 and the back in favour of Mainwaring Junior in 1806. Mainwaring did not contest the 1807 election and Burdett was not elected. He died in 1821, leaving one son. William Mainwaring (English politician) William Mainwaring (6 Oct 1735 – 28 February 1821) was the MP for Middlesex
Captain Mainwaring struggled to rise above his working class background. He claims to be the son of a successful tailor in Eastbourne, but Lance Corporal Jones reveals that Mainwaring's father was actually a poor draper who sold badly-made workmen's trousers and Barry Mainwaring confirms this. "If I had a title I'd be on the board of directors at the bank!" he shouts at Sergeant Wilson when the latter gains a title in the episode "The Honourable Man". Despite his arrogance being encouraged by his status as the bank manager (having started as a clerk and working his way up to assistant chief