We have created a category for Clan MacDonald http://www.wikitree.com/wiki/Category:Clan_MacDonald
If you scroll down below the pictures there is a list of some of the major branches and you will find Glencoe and Keppoch. These are just for the Chieftan's families and they are still a work in progress.
just came across this. I'm descended from Keppoch McDonalds who ended up in NSW, Australia
My many times great: Donald Cranachan "of Cranachan" MacDonald Born about 1700 [uncertain] in Cranachan, Inverness https://www.wikitree.com/wiki/MacDonald-590
my grandfather : https://www.wikitree.com/wiki/McDonald-7809