Sir John Mainwaring, 2nd Baronet was laid to rest at Over Peover. He had married Elizabeth, eldest daughter of Roger Whitley of Peel, Cheshire and had several sons and daughters. He was succeeded in the baronetcy by his eldest surviving son Thomas. Sir John Mainwaring, 2nd Baronet Sir John Mainwaring, 2nd Baronet (8 May 1656 – 4 November 1702) was an English politician who sat in the House of Commons from 1689 to 1702. Mainwaring was the son of Sir Thomas Mainwaring, 1st Baronet of Peover Hall and his wife Mary Delves, daughter of Sir Henry Delves, 2nd Baronet, of Dodington. Mainwaring succeeded to the
William Mainwaring men did not go in to work. Mainwaring did get the South Wales nomination for the secretaryship of the Miners' Federation of Great Britain in 1932, after the death of A. J. Cook. A preferential voting system was used, and Mainwaring came in third place on first preference votes, being eliminated from the voting. The death of Lieutenant-Colonel David Watts-Morgan, the Labour Member of Parliament (MP) for Rhondda East, in early 1933 left a vacancy for a Labour candidate in which the influence of the miners was predominant. Mainwaring's name was immediately mentioned as a possible candidate, with rivals including