John Marshall (Royal Navy officer, born 1785)

Rear-Admiral Sir John Marshall CB KCH KSG KSS (1785 – 30 September 1850) was a Royal Navy officer. Having joined the navy in 1800, he fought at the Raid on Batavia as a lieutenant in 1806 and was promoted to commander in 1812 while serving at the Siege of Riga. He was given a command on the East Indies Station and took passage there on HMS Java. Java was captured by USS Constitution in December and Marshall was unable to assume command. Subsequently released in a prisoner exchange, he was instead given command of HMS Shamrock in 1813. In December he was given command of a squadron of gunboats in the North Sea to assist in the attack and capture of Glückstadt, which was completed on 5 January.

For his services in the North Sea Marshall was knighted by Russia and Sweden, made a Companion of the Order of the Bath, and promoted to post-captain. He did not receive another command at this point, and served on shore first as commander of lazarettos at Milford Haven and then the ship quarantine site at Stangate Creek. In 1832 he was made a Knight Bachelor and appointed a Knight Commander of the Royal Guelphic Order. Marshall received his second sea command of HMS Isis in 1841. He served in her on the Cape of Good Hope Station until 1845 and did not go to sea again. In March 1850 he was promoted to rear-admiral, but six months later he was badly injured in a fall from his carriage, dying on 30 September.