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")
Isle of Lewis dating from the mid-19th century.<ref name="cne-siar.gov.uk/factfile/environment/flora">Local Authority Web Site</ref> Historically, while Harris was part of Inverness-shire, Lewis was part of Ross-shire or Ross and Cromarty. The Western Isles Islands Council was established in 1975. Now called Comhairle nan Eilean Siar, its remit covers the whole of the Outer Hebrides and its headquarters are in Stornoway. Lewis is home to the majority of the Western Isles' electorate and six of the nine multi-member council wards are within Lewis and one is shared with Harris. 22 councillors are effectively elected by Lewis residents using the Single Transferable Vote system, and following the