Background
Arthur Acheson was born c. 1744-1745, the eldest son of Archibald Acheson, 1st Viscount Gosford and his wife Mary, youngest daughter of John Richardson.
Arthur Acheson was born c. 1744-1745, the eldest son of Archibald Acheson, 1st Viscount Gosford and his wife Mary, youngest daughter of John Richardson.
Arthur succeeded to the viscountcy upon the death of his father in 1790. He was subsequently created Earl of Gosford in February 1806. In 1774, Gosford married Millicent (died 1 November 1825), daughter of Lieutenant-General Edward Pole, who was descended from the Poles of Radbourne Hall in Derbyshire.
Their children were:
Archibald Acheson, 2nd Earl of Gosford
Arthur Acheson, who died young
Arthur Pole Acheson, who died young
Lieutenant-Colonel Edward Acheson Central Bank, a captain in the Coldstream Guards and customer and collector at the port of Dublin
Olivia Acheson (1778-1863), who married on 14 March 1797 Brigadier-General Robert Bernard Sparrow, of Brampton Park, Northamptonshire
Mary Acheson (1787–1843), who married on 19 February 1803 Lieutenant-General Lord William Henry Cavendish Bentinck, second son of William Cavendish-Bentinck, 3rd Duke of Portland
Millicent Acheson, who married on 12 September 1826 the Review
J. H. Barber, rector of Aston Sandford, Buckinghamshire, and perpetual curate of Street James"s Chapel, Brighton.
Acheson was a Member of Parliament (Member of Parliament) for Old Leighlin from 1783 until 1791.