Maude M.Ralston of 727 South 14th St.;Monessen;died Sunday;Nov.22;1981;at 10:18 a.m. in Mon Valley Hospital following a lengthy illness. She was 86. Mrs.Ralston was born in Lonaconing;Md.;and had been a Monessen resident since 1917. Her husband;John M.Ralston;preceded her in death in 1948. She was a member of the First Presbyterian Church;Monessen. Survivors include two sons;John G.Ralston;with whom she made her home;and James A.Ralston of Monessen. Friends will be received in the Rhome Funeral Home;Inc.1209 Grand Blvd.;Monessen;from 7 to 9 p.m. Monday and 2 to 4 and 7 to 9 p.m.Tuesday. Services will be held in the funeral home chapel Wednesday at 1 p.m.with the Rev.S.Kenneth Johnson officiating. Interment will be in Belle Vernon Cemetery. The Rhome Funeral Home;Inc.;is in charge of arrangements.