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The principal clans in the parish are, those of M'Kay, Sutherland, Campbell, Morrison and Gunn; the two former generally distinguished by fair hair hair and blue eyes, - the Campbells and Gunn, by dark eyes and dark complexion.
So it's not the Gunns who have the Scandinavian complexion. So it's a further suggestion that the Gunns do not have such ancestry. And if you look at
there is a strong suggestion that Gunn are Campbells and Campbells are Gunns.