About Patrick Colhoun, the immigrant ancestor and father of Ezekiel Calhoun and his siblings Mary (Noble), James, William, and Patrick Calhoun, not a great deal is known with certainty. What researchers have thought they’ve known over the years has often turned out to be wrong, as such scant documentary evidence as we now have about … More Patrick Colhoun of County Donegal, Ireland (Died 1740/1, Lancaster County, Pennsylvania): Immigrant Progenitor of the South Carolina Long Cane Calhoun Family