Born Pimlico, London. Said to be the son of George Keen and his first wife (name unknown). For further family history, see the entry for his brother, John Keen - 1529, 13LD.
Enlisted into the 3rd Light Dragoons, 28th of June 1848. Regtl. No. 2181.
Transferred to the 13th Light Dragoons on the 1st of July 1853.
Name not on the Medal Roll.
Died on the 13th of September 1854 while on route from Varna to the Crimea.