Barn Elms replaced the earlier one occupied by Sir Francis Walsingham, "Elizabeth's Spymaster". Queen Elizabeth I would visit Barn Elms to see her Spymaster. Barn Elms features in English literary history from the time the royalist poet Abraham Cowley moved to the house belonging to John Cartwright in 1663. In the 1660s Barn Elms became a fashionable destination for boating picnics. Samuel Pepys, who arranged many a Sunday afternoon or moonlit evening boating party to Barn Elms himself, recorded that on 26 May 1667: "I walked the length of the Elmes, and with great pleasure saw some gallant ladies and people come
Francis Walsingham covert means for Mary's letters to be smuggled in and out of Chartley in a beer keg. Mary was misled into thinking these secret letters were secure, while in reality they were deciphered and read by Walsingham's agents. In July 1586, Anthony Babington wrote to Mary about an impending plot to free her and kill Elizabeth. Mary's reply was clearly encouraging and sanctioned Babington's plans. Walsingham had Babington and his associates rounded up; fourteen were executed in September 1586. In October, Mary was put on trial under the Act for the Surety of the Queen's Person in front of 36