http://www.pewresearch.org/fact-tank/2017/03/17/the-fading-of-the-green/?utm_source=Pew+Research+Center&utm_campaign=a05c6c50ef-EMAIL_CAMPAIGN_2017_03_23&utm_medium=email&utm_term=0_3e953b9b70-a05c6c50ef-399726609

The ranks of Americans who trace their ancestry back to Ireland – long one of the most prominent subgroups in American society – are slowly declining.