CATHCART, William Schaw, Earl, British soldier, born in Petersham, England, 17 September, 1755; died in Cartside, near Glasgow, Scotland, 16 June, 1843. He was the eldest son of the ninth Baron Cathcart, and was educated at the University of Glasgow, studying law, though without any intention of practising. He entered the army in June, 1777, came to America, and served with the 16th dragoons. He was afterward aide to General Spencer Wilson and Sir Henry Clinton, served with gallantry at the storming of Forts Montgomery and Clinton, and was wounded at Brandywine and Momnouth. Lord Cathcart led one section of the "knights" at the famous " Mischianza" or entertainment given in honor of Sir William Howe in Philadelphia in May, 1778. He raised and led the Caledonian volunteers, afterward known as Tarle-ton's British legion, became major in the 38th foot, 13 April, 1779, and commanded that regiment in the actions at Springfield and Elizabethtown, N. J~ 558 CATHRALL in June, 1780. He served as quartermaster-general until the arrival of General Dalrymple, was present at the siege of Charleston, returning to England in October, 1780. He joined the Walcheren expedition in 1793, with the rank of brigadier-general, served under the Duke of York with distinction in 1794, and on his return to England in 1801 was made lieutenant-general. He took his seat as a representative Scottish peer in 1807, and m the same year became commander-in-chief of the expedition against Copenhagen. On its successful termination he was made Viscount Cathcart and Baron Greenock in the English peerage, 3 November, 1807. He was made general in 1813, was minister to Russia from 1813 till 1814, and became Earl Cathcart on 16 July, 1814. He accompanied the Emperor Alexander through the campaigns of 1813-'4, entered Paris with the allies, represented England at the congress of Vienna, and signed the treaty of peace that followed Waterloo. He was afterward again minister to Russia.