Henry Mainwaring in the King's cause in the English Civil War, was exiled to France, and died in poverty. He was buried at St. Giles' Church, Camberwell, London, on 15 May 1653. Mainwaring married a daughter of Sir Thomas Gardiner in 1630. She died in 1633. His brothers were Sir Arthur Mainwaring, Carver to Prince Henry, George Mainwaring, the defender of Tong Castle, and Sir Thomas Mainwaring, the Recorder of Reading. The Mainwaring family was old and distinguished, probably having arrived in England in the train of William the Conqueror (1066). Henry Mainwaring Sir Henry Mainwaring (1587–1653), was an English lawyer, soldier,
Sam Mainwaring Sam Mainwaring Samuel "Sam" Mainwaring (15 December 1841 – 29 September 1907) was a Welsh machinist and socialist political activist who was a founding member and key leader of the Socialist League, one of the first socialist political parties in Britain. In his later years, he turned from Marxist socialism to the libertarian socialist doctrine of anarcho-communism. He is best remembered as the father of the term "anarcho-syndicalism". Known to his contemporaries as Sam, Mainwaring was born 15 December 1841 in Penrhiwtyn, Neath, Wales. He was a native speaker of Welsh and retained an affinity for the tongue throughout his