Christi, Portersville is in Muddy Creek Township, Butler County, PA, near the Lawrence county line. You do not list the surname/family you are searching for in Western PA. There might be people on this list who could help you, as well as the resources on the two Butler County websites. www.rootsweb.com/~pabutle2 www.rootsweb.com/~pabutler Pat "Volunteer of Random Acts of Genealogical Kindness at http://www.raogk.org/"