Edna Mary Zunic of 111 Water St.;Belle Vernon;died suddenly at 7:15 p.m.Wednesday;Feb.9;1977 in Charleroi Division of Mon Valley Hospital.  She was 54.  Born in Hyman;Pa.on Jan.25;1923;Mrs.Zunic had lived in Belle Vernon the past 20 years.  She was a member of the First Christian Church of Belle Vernon and the American Legion Auxiliary unit 659;Belle Vernon.  A brother;Clarence Albright;preceded her in death in 1968.  Surviving are her husband;John S.Zubic;three sons;John E.Zubic of Belle Vernon;Donald A.and James W.Zunic;both at home;one daughter;Mrs.Stephen (Patricia) Marchewka of Belle Vernon;her father;Harry Albright of Hyman;two sisters;Mrs.Charles (Gladys) Crouse of Fairchance and Mrs.Edward (Betty) Misenko of Belle Vernon;and four grandchildren.  Friends will be received at the Shelby D.Ferguson Funeral Home;Belle Vernon;from 7 to 9 p.m.Thursday and from 2 to 4 and 7 to 9 p.m.Friday.  Services will be held Saturday at 1 p.m.at the funeral home with the Rev.Gerald Dye;pastor of First Christian Church;Belle Vernon;officiating.  Interment will follow in Belle Vernon Cemetery.  Shelby D.Ferguson is funeral director in charge.