Help from Isle of Arran

[Eanruig]

My ancestor Robert Hendry (father- John Hendry) emigrated from Arran Scotland to America (North Carolina) circa 1770. He is said to be a native of the isle and from the northern area of Lochranza. In my great(2x) grandmother's Bible it says he was banished for support of "Bonnie Prince Charlie" but I suspect the Highland Clearances were the cause for leaving. I have always been told that the Hendry family was formerly MacHendry(MacEanruig?) and part of Clan MacNaughton but I find it is also tied to Clan Henderson. I'm wondering why this branch of Hendry's ended up on the Isle of Arran - away from the lands of their brothers. I would very grateful for any knowledgeable information pertaining to this line Hendry.