(1805-1875) Historian, was born at Walmer, and educated at Oxford. e sat in the House of Commons for Wootton Bassett and Hertford, held some minor official appointments under Peel, and identified himself with many useful measures, specially in regard to literature and art. His writings, which are all remarkable for industrious collection of facts, careful and impartial sifting and weighing of evidence, and a clear, sober, and agreeable style, include History of England from the Peace of Utrecht to the Peace of Versailles (1836-63), and histories of the War of the Spanish Succession (1832), and of the Reign of Queen Anne (1870), besides Lives of the younger Pitt (1861) and of Lord 'Chesterfield. As an author he is best known as Viscount Mahon.