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,
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