Background
He was a younger son of Sir James Gray, 1st Baronet, by his wife Hester Dodd.
He was a younger son of Sir James Gray, 1st Baronet, by his wife Hester Dodd.
He served for many years in the Household Cavalry, and was promoted to lieutenant-colonel of the 1st Troop of Horse Guards in July 1749. On 19 July 1759 he was appointed colonel of the 61st Regiment of Foot, and in 1761 he was promoted major-general. He transferred to the colonelcy of the 37th Regiment of Foot in 1768, and in 1770 he was promoted to lieutenant-general.
He was also an amateur architect.
His widow died in 1788.