This Duignan family originated in Kiltoom, The Berries near Athlone.Luke Duignan b. 1815circam. Ann Dolan father of Luke Duignan.2nd Lukeb. 1837m.Mary Shinehad 10 children one --Katherine Duignan/Dignan mygrandmotherb. 1867had immigrated to Cambridge Ma circa 1880 and married Patrick Murphy.Kate was one of 4 to come to US. She had 9 children in Cambridge and has many grandchildren and gg grandchildren.