Career
More-Molyneux joined the Royal Navy in 1852 and served in the Black Sea during the Crimean War. He became Commanding Officer of the training ship HMS Street Vincent in 1869, Commanding Officer of the corvette HMS Ruby in 1877 (in which he served during the Russo-Turkish War) and then Commanding Officer of the battleship HMS Invincible, flagship of Vice Admiral Sir Beauchamp Seymour, in 1880. After commanding the Invincible during the bombardment of Alexandria in 1882 during the Anglo-Egyptian War, he went on to be commodore commanding the ships in the Red Sea in 1884, captain-superintendent of Sheerness Dockyard in 1886 and admiral-superintendent at Devonport in 1891.
After that he became President of the Royal Naval College, Greenwich in 1900 before retiring in 1903.