1)The crest that we've seen is a fist holding a dagger, point down with fingers on the viewed side. That may be the MacIntosh crest, which we are supposed to be a branch of. The motto was "Touch not the cat without a glove" which we've come across more than once. 2-3)Our genealogy book is of the McBurney's in Canada, but does note that the 2 brothers that moved there were from County Down, Ireland. The McBurney family had fled to Ireland from Scotland at the time of the Clans defeat at Culloden in 1746. The name McBurney has undergone many changes. The name has been traced back to the Vikings and means "The Bear."