Career
He succeeded to the title on 18 August 1783 as a one-year-old, and later took his seat in the House of Lords. The barony became extinct on his death at the age of 40 at Friar"s Hall. The book Genealogical Memoirs of the French Royal House was written by him.
Dunning"s parents were John Dunning, 1st Baron Ashburton and Elizabeth Baring.
They had no issue. He is buried against the north wall of the north churchyard extension in Street Cuthberts Churchyard in Edinburgh.