LISMORE (Gaelic, Leamore, "The Great Garden"), an island off the W. coast of Scotland, in the county of Argyll, is situate at the mouth of Loch Linnhe, about 7 miles N.N.W. from Oban. Its greatest length is about 10 miles, its average breadth 1½ miles, and its area about 8000 acres. The greater part of the island is under cultivation, and the remainder, though rocky, is covered with a rich green sward, variegated by small clumps of trees. Herring-fishing is carried on by the inhabitants; and limestone is exported. In ancient times the bishops of Argyll inhabited the Castle of Lismore, now in ruins, and were on that account sometimes styled Episcopi Lismorienses. There are also the remains of the small Cathedral of St Moluac, the chancel of which is used as a parish church. Pop. (1851) of the united parishes of Lismore and Appin, 4097.