I have John Timothy O'Hearn my GGreatgrandfather born 1864 in Dubuque Iowa M.? They had at least 1 Child Patrick Joseph O'Hearn my Greatgrandfather b. 1894 Iowa M. Ethil Allen b. Wisc they had Patrick jr, William, and my grandmother Marjorie M. O'Hearn born 1926 Masson City, Cerro Gordo county, Iowa. Died April 1997 Bellevue Washington. Does anything fit with your info????? Help!!!!