The Caithness Bain’s are descendant from John Bane Mackay.
The moved from their Sutherland to Olrig in Caithness in 1435.
Over time the descendants spread out.
The descendants of Donald Bane are thought to be in Galloway.
Whereas John Bane has descendants in Caithness and Haddington.
Alexander Bane is the progenitor of the Dingwall and Tulloch lines.
William Bane was the progenitor of several family lines.