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 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 was admitted at Gray's Inn on 14 March 1609, and matriculated at Cambridge from Brasenose College, Oxford on 29 August 1610. He was awarded BA from Oxford in 1613 and entered Lincoln's Inn on 15 February 1614. In 1624 he was awarded MA at Cambridge on visit of King Charles. Mainwaring was elected Member of Parliament for Boroughbridge in 1625 and 1626. He