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 clerk, chief clerk and eventually manager), Mainwaring reveals in the same episode that he considers it a mere "tinpot branch" and his career is at a seemingly permanent standstill, as revealed in A. Wilson (Manager)?: whenever he applies for promotions he is always turned down due to his unimpressive background. Mainwaring's pomposity and snobbery work against him, as he is frequently dependent on those in the Home Guard that he considers beneath him, such as Sergeant Wilson, his chief clerk at the bank with whom he shares an antagonistic friendship and Private Walker, a black-marketeer who interrupts during Mainwaring's lectures