I am searching for Henry Barrick born 1835 (per census) born in PA shows up in Polk County, IA in 1868 marriage to Margaret Lawrence (nee Fagan) and on 1880 census in Polk County... with a son: John A. Barrick age 18 in 1880 (born abt. 1862 in PA). He has been a brick wall for me for years. I would appreciate any help. Thank you. Jeannette