High Quality Content by WIKIPEDIA articles! Clan MacDonell of Glengarry is a branch of Clan Donald taking its name from Glen Garry where the river Garry runs eastwards through Loch Garry to join the Great Glen about 16 miles (25 km) north of Fort William. The principal families descended from the house of Glengarry were the McDonells of Barrisdale, in Knoydart, Greenfield, and Lundie.