St Patrick S Day By The Numbers
21.5% Percentage of Massachusetts residents who claimed Irish ancestry in 2014. New Hampshire, at 20.9 percent, is the only other state in which more than 20 percent claimed Irish ancestry. (The rates for the two states were not statistically different from each other.) California had 2.5 million people claiming Irish ancestry, which was the highest of any state. Two other states —New York and Pennsylvania—also had more than 2 million Irish-Americans....