James O'Brien (b. 1806 or 1809) lived in Nenagh parish when his son Michael James O'Brien was born 28 Sep 1840. James was married to a Clancy, we believe her first name was Mary. We believe she died in Ireland. James and Michael left for America in about 1858 or 1859. James and his wife were also said to have a daughter that stayed in Ireland. We don't know here name. We'd like to know more about James O'Brien's family and Mary Clancy O'Brien's family. They were Roman Catholics.