John Purvis (Royal Navy officer)
John Brett Purvis was a Royal Navy officer who became Commander-in-Chief, South East Coast of America Station.Naval career
Born the son of, Purvis joined the Royal Navy in 1799. Promoted to commodore, he became Commander-in-Chief, South East Coast of America Station in March 1842. Promoted to rear admiral on 9 November 1846, he went on to be Commander-in-Chief, Queenstown in June 1852 and was promoted to vice admiral on 4 July 1853.