Duncan MacDougall in 1582. It was however torched (along with Dunollie Castle) by the Covenanters under General David Leslie in 1647. Cairnburgh Castle, on the Treshnish Isles, off the Isle of Mull, is a ruinous castle once held by the MacDougalls that passed to the Crown with the MacDougalls as keepers in 1309. Dunchonnel Castle, on the Garvellach Isles is a ruinous castle that was once held by the MacDougalls. Coeffin Castle, on the Isle of Lismore is a ruinous castle once held by the MacDougalls. Duart Castle, on Mull. The castle was probably built by the MacDougalls in the 13th century, and came into the possession of the MacLeans in the fourteenth century. Mingary Castle in Lochaber. The castle may have been built by the MacDougalls in the 13th century. As such it would appear to exemplify the northern extension of clan's power from the 12th century. Lords Dugald, son of Somerled Dugald Screech and Donnchadh of Argyll (died 1237×1248) (and perhaps Óspakr-Hákon), sons of Dugald Eóghan MacDubhgall, son of Dugald (died 1268×1275) Alexander of Argyll, son of Eoghan (died 1310×1311, perhaps at Carlisle), married a daughter of John Comyn, driven from Scotland by Robert Bruce and his allies; his sister Mary married Magnus Olafsson, King of Mann and the Isles and, on Magnus's death, remarried with Maol Íosa, Mormaer of Strathearn John of Lorne, son of Alexander (died on pilgrimage to Canterbury, September 1317), enemy of Bruce and Bruce's ally Angus Óg of Islay, defeated and driven into exile Tartans MacDougall (Modern) MacDougall (Ancient) MacDougall (Dress) See also Lord of Lorne Clan Macdowall Citations References External links Clan MacDougall Society of North America MacDougall tartans @ The Scottish Register of Tartans The MacDougall MacCallum Heritage Foundation Dunollie Projects Ltd 12th-century establishments in Scotland Clann Somhairle Gaelic families of Norse descent