Lewis and Harris MacLeod, and those on Lewis being referred to as from the clan MacLeod of Lewis. Lewis is also the ancestral home of Clan Morrison. The Lewis chessmen is a famous collection of 12th-century chess pieces, carved from walrus ivory and mostly in the form of human figures, which were discovered in Uig in 1831. A major industry on the island is the production of Harris tweed fabric, which is handmade on the island; by law only fabric produced in the Outer Hebrides can be called Harris tweed. The Lewis Trilogy of novels ("The Blackhouse", "The Lewis Man" and "The Chessmen")
Lewis and Harris English or Scottish Gaelic, and is referred to as 'Lewis and Harris', 'Lewis with Harris', 'Harris with Lewis' etc. Rarely used is the collective name of "the Long Island" (), although that epithet is sometimes applied to the entire Outer Hebrides, including the Uists and Barra. Most of Harris is very hilly, with more than thirty peaks above ; the highest peak, Clisham, is a Corbett. It has an area of – slightly under 1% of the area of Great Britain. It is from the nearest point of the mainland, from which it is separated by the Minch. Lewis is