His colonelcy was transferred from the 23rd Fusiliers to the 19th Light Dragoons in 1786. The largest cavalry regiment, The Blues colonelcy was assumed by the Marquis of Granby. Gen. William T. Sherman, who offered him the colonelcy of an Ohio infantry regiment. He received a brevet colonelcy on 1 January 1916. In October Picton was appointed to the colonelcy of the 77th Regiment of Foot. He was transferred to the colonelcy of the Royal Dragoons on 31 March 1836. On 23 July 1831 Lieutenant-General Sir Hudson Lowe was appointed to the colonelcy. Also in 1766, he was given the colonelcy of the 33rd Regiment of Foot. In May 1775 his colonelcy was transferred to the 23rd Fusiliers. On 1 November 1749, he was given the colonelcy of the 20th Regiment of Foot. The command came with a colonelcy, the rank commensurate with the position of regimental commander. He was given the colonelcy of three regiments in succession. On 22 November 1922, he resigned his honorary colonelcy. He was rewarded with the colonelcy of the Royal Horse Guards in June 1715. Major-General James Murray then succeeded to the colonelcy in November 1783.