Searching descendants and ancestors of John ARGO b. 1793 PA d.after 1860 Piatt Co, Illinois married abt 1817 Ohio Catherine MARSH born abt 1799 ?Ohio d. before 1860 Piatt Co, IL buried Argo Cemetery. Who were the parents of Catherine (MARSH)? Who were the parents of John ARGO? Where is Argo Cemetery located? Thank you for your time.