Sir John Mennis, a seaman and poet, was born at Sandwich, in 1598, and educated at Corpus Christi College, Oxford. In the reign of Charles I. he was made comptroller of the navy-office, and knighted. About this time he had the command of a ship of war, but was deprived of it by the republicans. At the restoration he was made governor of Dover Castle, comptroller of the navy, and an admiral. Ob. 1671. He wrote some poems, in a collection called Musarum Deliciae, or the Muses' Recreation, 12mo. 1656.