Background
Allendale was the eldest son of Thomas Beaumont and his wife Henrietta Jane Emma, daughter of John Atkinson, and was educated at Harrow and Trinity College, Cambridge.
Allendale was the eldest son of Thomas Beaumont and his wife Henrietta Jane Emma, daughter of John Atkinson, and was educated at Harrow and Trinity College, Cambridge.
In 1906 he was raised to the peerage as Baron Allendale, of Allendale and Hexham in the County of Northumberland. After his first wife"s death in 1888 Allendale married secondly Edith Althea, daughter of Lieutenant-General Henry Meade-Hamilton and widow of Major-General Sir George Pomeroy-Colley, in 1891. There were no children from this marriage.
Lady Allendale died in May 1927.
Allensdale was the owner of major estates and mines in Northumberland and also sat as Member of Parliament for Northumberland South from 1852 to 1885 and for Tyneside from 1886 to 1892. Their youngest son the Honourable Hubert Beaumont was Liberal Member of Parliament for Eastbourne.