George Boulton Mainwaring 1805 and then back in favour of George in 1806. Mainwaring did not contest the 1807 election and Burdett was not elected. The National Portrait Gallery has a caricature which includes Mainwaring that pokes fun at the 1804 election. On 9 June 1804, Mainwaring married Letitia Wodehouse. George Boulton Mainwaring George Boulton Mainwaring was a Tory MP for Middlesex, a position that had also been held by his father William Mainwaring. Mainwaring is thought to have been born in 1773. He was the son of William Mainwaring. In the 1802 general election, William was opposed by the radical Francis Burdett.
Sam Mainwaring life. Mainwaring was raised by his family as a Unitarian. He developed into a quiet yet persuasive public speaker and a tireless worker for activities which he believed important. Mainwaring was a member of the Amalgamated Engineering Union. Late in the 1870s, Mainwaring joined the East London Labour Emancipation League and was an early member of the Social Democratic Federation. However, this group proved to be a disappointment, failing to garner support of an appreciable section of the working class and was believed by many members to overly dominated by the intellectual pretensions and nationalist political views of its patriarch