Arthur Mainwaring Forest. In 1641 the forest was the scene of disorder and poaching of the deer, and he recommended firm action around Egham, which was however thwarted by local sympathies. He had objected at the beginning of the reign of Charles I to the East India Company's gunpowder mills on the edge of Windsor Forest; later, in 1635, he was himself in the gunpowder business with Andrew Pitcairn. Arthur Mainwaring Sir Arthur Mainwaring (c. 1580 – 1648) was an English politician who sat in the House of Commons from 1624 to 1626. Mainwaring was the eldest son of Sir George Mainwaring
Philip Mainwaring House of Commons for Clonakilty from 1634 to 1635 and for Carysfort from 1640 to 1641. Mainwaring was elected MP for Morpeth for the Short Parliament in April 1640. He was imprisoned in 1650. In December 1660, Mainwaring was appointed to the Irish Privy Council. He was then elected MP for Newton in the Cavalier Parliament in 1661, but died later that year. Philip Mainwaring Sir Philip Mainwaring (1589 – 2 August 1661) was an English politician who sat in the House of Commons variously between 1625 and 1661. Mainwaring was the son of Randall Mainwaring, of Peover, Cheshire. He