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
Billy Mainwaring Hall and debutant full-back Paul Wheeler). His final test was against England in 1968. He captained Aberavon RFC in the 1969-70 and 1970-1 seasons playing on until the club's centenary season of 1976-7. During his career he formed a formidable club second row partnership firstly with Max Wiltshire and later with Allan Martin, both fellow internationals. After retirement he became a selector at Aberavon RFC. His mother was the famous Mrs Mainwaring, a vociferous supporter of Aberavon and whose humour (delivered from the stand) made her popular throughout Wales. Billy Mainwaring Gwilym Thomas Mainwaring, known as Billy Mainwaring, (born 24