Source: Rjrasva
“The Irish fill our prisons, our reform schools, our hospitals. . . . Scratch a convict or a pauper, and the chances are that you tickle the skin of an Irish Catholic… made a criminal by the priest and politician…”
- Chicago Evening Post, 1868
During Mexican-US war Irish American Catholics in US Army deserted & fought for Mexico partly for religious reasons, see Saint Patrick’s Battalion
In 1866, thousands of Irish Catholic immigrants in US attacked British Canada to free US, see Fenian raids