Beresford was the illegitimate son of George Beresford, 1st Marquess of Waterford, and the brother of William Beresford, 1st Viscount Beresford. He was succeeded by his son, the second Baronet, from his first marriage to Mary Molloy. He died without surviving male issue and was succeeded by his nephew, the third Baronet. He was the eldest son of Henry William de la Poer Beresford-Peirse (1820–1859), eldest son of the first Baronet's second marriage to Harriett Elizabeth, daughter of Henry Peirse. He served as Chairman of the North Riding of Yorkshire County Council. His grandson, the fifth Baronet, was Director-General of the Forestry Commission between 1962 and 1968. As of 2022 the title is held by the latter's grandson, the seventh Baronet, who succeeded his father in 2013.
Beresford, later Beresford-Peirse baronets, of Bagnall (1814)