Jasper A. "JP" Medley , 52, of Forestville, Maryland, a transformer tester with PEPCO, died at Southern Maryland Hospital in Clinton, Maryland, on Saturday, May 19, 2001. Viewing is scheduled for Wednesday, May 23, 2001, 9:30-11 a.m., at St. Mary's Catholic Church, Piscataway, Maryland. Mass will be offered on Wednesday, 11 a.m., at the church. Interment will be at St. Mary's Catholic Church Cemetery, Piscataway. Arrangements entrusted to Thornton Funeral Home, P. A. , Pomonkey, Maryland.