Rose Yost of Belle Vernon R.D.3 died Monday;July 29;1985;at 12;35 p.m. in Mon Valley Hospital Inc. She was 80. Born in Rostraver Township;Nov.2;1904;she was a daughter of the late Rufus and Maria Richie. Mrs.Yost lived most of her life in the Rostraver Township area. She was preceded on death by her husband;Chester L.Yost;on July 12;1982. Surviving are one son;Russell L.Yost of Belle Vernon R.D.2;two daughters;Mrs.Charles (Betty) McCauley of Belle Vernon R.D.1 and Mrs.Jack (Rose Marie) Kerr of Belle Vernon R.D.4;two brothers;Victor Richie of Garards Fort;Pa.;and another brother from Uniontown;and six grandchildren. Friends will be received on Wednesday from 2 to 4 and 7 to 9 p.m. at the Shelby D.Ferguson Funeral Home;700 Broad Ave.;Belle Vernon;where funeral services will be held Thursday at 11 a.m. with Rev. Marlin A.Miller;pastor of the Fells United Methodist Church;officiating. Intermnet will follow in Belle Vernon Cemetery. Shelby D.Ferguson;funeral director;is in charge of arrangements.