First genetic map of Ireland going back to ancient times revealed

The next time a Cork man tells you he’s from the People’s Republic, or a Kerryman declares that he is from the Kingdom and is, therefore, special, pay attention. They may, in fact, have a point.
The first genetic map of the people of all parts of Ireland carried out by a team of geneticists and genealogists shows there are subtle DNA differences between people across the island.