Mrs. Maria Ferrari;aged 76;died Saturday;January 13;1945 at her home;10 Columbus street;Belle Vernon; after a lingering illness.    A resident of Belle Vernon for the past 43 years; she attended the Mother of Sorrows Church in Charleroi.  She is survived by two sons;Robert;of Fredericktown and Fritz Riley;of Belle Vernon;two daughters;Mrs.Felix Lazzari and Mrs.Peter Magrini;both of Belle Vernon.  Seventeen grandchildren and 12 great-grandchildren also survive.   Friends will be received at the late home until Tuesday;January 16;1945;when funeral services will be held at 10 a.m.at the Mother of Sorrows Church in Charleroi.  Father N.A.Biondi will have charge of services. Interment;Belle Vernon Cemetery.  Charles L.and Edwin F.Melenyzer;funeral directors;in charge.