DNA swabs taken from Barra MacNeils as far away as Canada and Australia have shown no trace of Irish ancestry. Instead the DNA indicates Viking (Norse) ancestors.
"We can say we can re-write the history of the Clan MacNeil," said genealogist Vincent MacNeil, from Nova Scotia, Canada. "We don't have one participant from Barra that matches the O'Neills of Ireland. Source: Herald ScotlandContinue reading the full story at Macneil clan shocked as DNA checks force rewrite of history