 Uirc or Orc, the kings of Ross Guill and Irgull are held synonymous with a boar, and the Crest Badge of the MacTavishes is a boars head.The location noted for both the "Boar Kings" and the ancient Irish race of MacTavish being the same.It is commonly held by the Campbells that Clan MacTavish descends from Tàmhas (Taus/Tavis Coir), son of Colin Mael Maith and a daughter of Suibhne Ruadh (Sween the Red of Castle Sween).