Isabell Matrozzo;72;of 923 Ada St.;Belle Vernon;died Friday;Feb.3;1984;at 4:32 a.m.in Mon Valley Hospital;Inc.;Carroll Twp. Friends are being received Saturday from 7 to 9 p.m.and Sunday from 2 to 4 and 7 to 9 p.m.at the Shelby D.Ferguson Funeral home;700 Broad Ave.;Belle Vernon. Prayer service will be held in the funeral home Monday;Feb.6;at 9:30 a.m. Mass of Christian Burial follows at 10 a.m.at St.Sebastian Roman Catholic Church in Belle Vernon. Interment will follow in Belle Vernon Cemetery. Shelby D.Ferguson;funeral director;is in charge of arrangements.