Lieutenant-General Sir James Frederick Lyon GCH KCB ADC (1775 – 16 October 1842) was a British army officer and colonial administrator who served as the governor of Barbados from 1829 to 1833.
James Frederick was born in 1775, on board a transport-ship that was homeward bound from America, subsequent to the Battle of Bunker's Hill, at which his father was killed.
He was thus present in the actions of 27 and 29 May, and the victory on the Glorious First of June 1794[2] Lyon next served with his regiment in the island of Grenada during the reign of terror there, when Governor Home and all the principal white inhabitants were massacred by Fédon's rebellion.
[3] Lyon was on Lord George Lennox's staff at Plymouth in 1797–1798, and subsequently aide-de-camp to Sir Charles Stuart at Minorca.
[1] Lyon subsequently commanded the regiment in the Peninsula from 1808 to 1811 at the battles of Vimeiro, Talavera, Busaco, and the first siege of Badajoz.