Age 91 Elmira, NY passed away Friday, April 26, 2002 at the Arnot Ogden Medical Center. His loving wife, Helena, survives him. His beloved son, Donald Keller, preceded him in death in December of 2001. Mason was a retiree of the A & P Co. of Horseheads. Funeral Services will be held privately and at the convenience of the family. Arrangements have been entrusted to the Olthof Funeral Home, Inc. 1050 Pennsylvania Ave. Elmira, NY 14904.