Quote Originally Posted by MacMillan of Rathdown View Post
Aw, try selling that at a meeting of the Convention of the Baronage of Scotland!
True again Scott, but the Convention of the Baronage of Scotland is not an authority and was put together, as you well know, because of the abolition of feudal tenure in 2004, to try and keep an historic record of baronies as they would no longer be recorded in the register of sasines.

Lyon Court only makes mention of Chieftain's wearing 2 feathers:

Quote Originally Posted by Lyon Court Leaflet No 2
i.e. Heads of large branches of a Clan and Officially Recognised as such by the Lord Lyon King of Arms. Chieftains may wear either their own personal Crest within a plain circlet inscribed with the Motto, as for a Chief, but with TWO small eagle’s feathers instead of the Chief’s three. If the Chieftain is also a Peer, he may add the appropriate coronet of rank on top of the circlet.