In 1831, at the time he inherited his mother's estate, he was the richest commoner in England.
[6] He was president of the Literary Association of the Friends of Poland and a member of the Royal Yacht Squadron.
[4] In 1816 Beaumont stood as Member of Parliament (MP) for Northumberland, the same constituency his father had represented before.
[2] After the general election of 1830 Beaumont was returned again for Northumberland, until in 1832, the constituency was split into a north and south division.
[6] On 22 November 1827 Beaumont married Henrietta Jane Emma Hawks Atkinson, daughter of John Atkinson,[8] by whom he had two daughters and four sons,[8] including: Beaumont died at the age of 56 at Bournemouth and was buried at his seat Bretton Hall, Wakefield, Yorkshire.