The origins of the Scotch-Irish lie primarily in the Lowlands of Scotland and in northern England, particularly in the Border Country on either side of the Anglo-Scottish border, a region that had seen centuries of conflict [REF].
A few generations after arriving in Ireland, considerable numbers of Ulster-Scots emigrated to the North American colonies of Great Britain throughout the 18th century (between 1717 and 1770 alone, about 250,000 settled in what would become the United States) [REF].