William Massey-Mainwaring William Massey-Mainwaring The Honourable William Frederick Barton Massey-Mainwaring (28 May 1845 – 12 March 1907) was an Irish art collector and Conservative Party politician in the United Kingdom. The fifth son of Eyre Massey, 3rd Baron Clarina and his wife Susan Elizabeth "née" Burton, he was originally known as William Frederick Barton Massey. Educated at Trinity College Dublin, he was called to the bar at the Inner Temple, London. In 1872 he married Isabella Anne Milman, a widow and only child of Benjamin Lee Mainwaring of Knaresborough. He assumed the surname Massey-Mainwaring on marriage. Massey-Mainwaring was a well-known art collector
William Mainwaring Liberal Party to fight an energetic campaign (the Liberal candidate was allied with David Lloyd George and opposed to the National Government) was thought to have given the party a scare because Labour had benefited from Liberal votes in 1931. Mainwaring predicted that he would get between 20,000 and 22,000 votes. In the event, Mainwaring won with 14,127 votes, with Horner second having increased his vote compared with 1931. In Parliament, Mainwaring concentrated on mining issues, calling in July 1933 for the Home Secretary to examine the circumstances of the Bedwas colliery dispute where miners and their families had been