Henry Mainwaring Henry Mainwaring Sir Henry Mainwaring (1587–1653), was an English lawyer, soldier, author, seaman and politician who sat in the House of Commons from 1621 to 1622. He was for a time a pirate based in Newfoundland and then a naval officer with the Royal Navy. He supported the Royalist cause in the English Civil War. Mainwaring was born in Ightfield, Shropshire, second son of Sir George Mainwaring and his wife Ann, the daughter of Sir William More of Loseley Park in Surrey. His maternal grandfather was Sir William More, Vice-Admiral of Sussex. He graduated from Brasenose College at Oxford University,
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