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
Sam Mainwaring intellectual inspiration by the radical British labour leader Tom Mann. In his 1923 memoirs, Mann credited Mainwaring with having been "one of the very first to understand the significance of the revolutionary movement, and the first, as far as my knowledge goes, to appreciate industrial action as distinct from parliamentary action". Mainwaring was the namesake of a nephew whom he adopted, Sam Mainwaring Jr., himself an important radical activist in the international labour movement. Sam Mainwaring Samuel "Sam" Mainwaring (15 December 1841 – 29 September 1907) was a Welsh machinist and socialist political activist who was a founding member and