On 15 December 1773, he was commissioned as Ensign in the 14th Regiment of Foot. On 28 March 1774, he joined his first regiment, moving to quarters in Dover on 13 May 1774. In March 1775, he left for America, where, on 25 August 1775, he was appointed Lieutenant in the 14th Regiment of Foot. By 28 November 1778, he had returned to St George's, Hanover Square, London, where he married Anne Breynton ( 1756 – 15 August 1829), the daughter of the famous minister in Nova Scotia, Rev Dr John Breynton ( 1719–1799). In 1790, he bought Elmhurst Hall and various other properties in Staffordshire, while still maintaining a house in London. In 1794 he raised the Staffordshire Yeomanry Cavalry and became its Major and subsequently Colonel. In 1797, he tried to sell off his Staffordshire estates. The following year 1798 he raised the Staffordshire Yeomanry Infantry. By 1800 he had moved to Lichfield and in 1803 raised the 2nd Staffordshire Militia, eventually becoming its Lieutenant-Colonel.