Richard A. McMahon, 77, formerly of River Forest, Allegheny Twp. and Penn Hills, passed away Sunday, March 27, 2016 at his residence, peacefully. He was born January 21, 1939 in Pittsburgh, son of the late Bernard J. and Margaret (Manella) McMahon. Richard owned and operated WSE Warehouse and B&R Speed Supply in Sharpsburg and Oakmont. He was of the Catholic faith. A 1956 graduate of Penn Hills High School; he earned a Mechanical Engineering degree from the University of Pittsburgh. Richard was an original board member of Keystone Raceway Park, New Alexandria. Survivors include his wife of 55 years, Patricia J. (Klinefelter) McMahon; his children, Laurie L. (John) Pullano, Buffalo Twp., Todd A. (Maria) McMahon, Cranberry Twp. and Gail J. (Curt) Eshelman, Harrison Twp. His grandchildren, Joseph Pullano, Craig Eshelman, Kaiti Pullano, Torie McMahon, Nicholas Eshelman, Dylan McMahon and Lainey Eshelman. Also surviving is a sister, Beverly (Patrick) O''Toole, Trafford. Visitation 6-8PM Wednesday in the Duster Funeral Home, Inc. 347 E 10th Ave, Tarentum, 724-224-1526 where a Blessing service will be held on Thursday at 11AM. Burial will be Private. VISIT: dusterfuneralhomeinc.com