This has proved to be a very hard task and so far I only have a few names with large gaps in between, no years of service as the Commanding Officer:
20th Regiment of Light Dragoons – Disbanded 1763
20th Light Dragoons 1779 – 1783
20th Light Dragoons 1791 – 1819
1791 – ???? Lt. Col. Farringdon-Gardner
20th Light Dragoons 1861 (Later renamed the 20th Hussars)
1862 – 1872 Lt. Col. Henry James Stannus C.B. (First CO 20th Hussars)
1914 – 1915 Lt. Col. G. T. G. Edwards
1915 – 1918 Lt. Col. G. T. R. Cook
1918 – 1919 Lt. Col. ? Little
1919 – ???? Lt. Col. M. C. Richardson
