Many went to PA (Scranton & Philadelphia area)from Co Mayo, which is where my FORDs are from. Mine were married in Kilmoremoy Parish (St. Muredach's) in Ballina. There are LOTS of FORDs still there. My cousin who has studied this for many years believes that originally FORDs lived up on Killala Bay and fished. Ballina is on River Moy which empties into the Irish Sea a few miles north, on Killala Bay. My FORD married MEARS/MEER and they were connected to REDDINGTON, LEACH, GERAGHTY, GRIFFITH in church records. We know that FORD & BROWN frequently married, also some CREAMER/CRAMERs. In USA for one generation forward, they tended to marry others from their Irish county...mine married FOY, MANLEY. My FORDs became big grocers & business owners in Chicago, NY & PA. Dna shows me connected to KELLY, O'NEIL, GALLAGHER, LEWIS, GERAGHTY, BROWN, GARDINER and many others.