John Mazza of 218 Main St.;Belle Vernon;died Monday;Feb.24;1986;at 1:51 p.m. in Mon Valley Hospital. He was 75. Mr.Mazza was born June 18;1910;in Belle Vernon;a son of the late James and Sarah Alessio Mazza. A lifelong resident of the Belle Vernon area;he was a U.S.Navy veteran of World War II. Mr.Mazza retired in 1972 from the Allenport Plant of the Wheeling-Pittsburgh Steel Corp. In addition to his parents he was preceded in death by his first wife;Santina Lepri Mazza;his second wife;Pearl Greene Mazza;a son;Merle;a daughter;Sarah;four brothers;Frank;Tony;Dominik and William;and by three sisters;Mary and Rose Mazza and Catherine Trozzo. Survivors include a daughter;Beverly Mazza of Clairton;a son;William Mazza of Clairton;three sisters;Josephine Teano;Gilda Duda and Mrs.Alex (Mary) Teska;all of Belle Vernon;several nieces and nephews;and a good friend;Juanita Stinogle of Belle Vernon. Friends will be received Tuesday from 7 to 9 p.m. and Wednesday from 2 to 4 and 7 to 9 p.m. in the Shelby D.Ferguson Funeral Home;700 Broad Ave.;Belle Vernon;where a prayer service will be held Thursday;Feb.27;at 10 a.m. Burial will be in Belle Vernon Cemetery. Shelby D.Ferguson;funeral director;is in charge of arrangements.