Seeking Frank O'Brien, born 1838 in Knocknageeha, County Clare, on Lough Graney, son of Denis and Mary O'Brien. Married Mary Cunningham ca 1863, said to have been a school teacher before coming to U.S. ca 1870. Died in Missouri 1904. Frank had a sister, Nora, who married Ted Rodgers/Rogers and I think remained in Clare. Anything will be appreciated.