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
Thomas Mainwaring Thomas Mainwaring Sir Thomas Mainwaring, 1st Baronet (7 April 1623 – 28 June 1689) was an English politician who sat in the House of Commons in 1660. Mainwaring was the son of Philip Mainwaring of Peover Hall, Over Peover and his wife Ellen Minshull, daughter of Edward Minshull of Stoke. In 1654 his mother had the Peover Hall Stable Block built for him. He was High Sheriff of Cheshire in 1657. In 1660, Mainwaring was elected Member of Parliament for Cheshire in the Convention Parliament. He was created baronet on 22 November 1660 by Charles II on his restoration. Mainwaring