Archibald was born 1847, the eldest son of Archibald, Lord Dalmeny, Member of Parliment, by Lady Catherine Lucy Wilhelmine Stanhope, daughter of the 4th Earl Stanhope. He was a Privy Counsellor, and was crowned Knight of the Order of the Garter in 1892, and the Order of the Thistle in 1895. The positions he held were as follows: Lord-Lieutenant of cos. Linlithgow 1873-1929, and Edinburgh 1884-1929, Elder Brother of Trinity House, Lord Rector of Aberdeen University 1878-1881, Under-Secretary of State for Home Department 1881-1883, Lord Rector of Edinburgh 1882-1885, Lord Privy Seal and First Commissioner of Works and Public Buildings Feberaury - June 1885, temporary Keeper of the Great Seal of Scotland 1885, Secretary of State for Foreign Affairs 1886 and August 1892 - March 1894, and Premier, First Lord of the Treasury, and Lord President of the Council March 1894 - June 1895, and Lord Rector of Glasgow 1899-1929. He was a special envoy to Court of Vienna to announce Accession of King George V, 1910. He held Canopy at Coronations of Kings Edward VII and George V Archibald was the Baron Epsom, of Epsom co. Surrey, and Viscount Mentmore of Mentmore, and Earl of Midlothian 1911. He received the Victorian Chain in 1917. In 1878 he married Hannah [d. 1890], daughter and heiress of the late Baron Meyer de Rothschild. Archibald died in 1929, and was succeeded by his son, Albert Edward Harry Mayer Archibald [1882-1974].
Debrett's Peerage Ltd. Debrett's Peerage and Baronetage London, 1985:1025