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
Philip Mainwaring House of Commons for Clonakilty from 1634 to 1635 and for Carysfort from 1640 to 1641. Mainwaring was elected MP for Morpeth for the Short Parliament in April 1640. He was imprisoned in 1650. In December 1660, Mainwaring was appointed to the Irish Privy Council. He was then elected MP for Newton in the Cavalier Parliament in 1661, but died later that year. Philip Mainwaring Sir Philip Mainwaring (1589 – 2 August 1661) was an English politician who sat in the House of Commons variously between 1625 and 1661. Mainwaring was the son of Randall Mainwaring, of Peover, Cheshire. He