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
Sam Mainwaring March 1904, Mainwaring published two issues of a short-lived newspaper called "The General Strike," a publication which made detailed criticisms of the "officialism" of union bureaucracy and which publicised strikes in Europe making use of syndicalist tactics. In his later years, Mainwaring lived in London. On Sunday, 29 September 1907, while addressing a meeting on Parliament Hill Fields, Mainwaring was stricken by faintness and subsequently died. He was 55 years old at the time of his death. Mainwaring is credited with coining the phrase "anarcho-syndicalism" and it is for this he is best remembered. Mainwaring was cited as a major