Mary Keller Kunka of Belle Vernon R.D.2;formerly of Monessen;died suddenly at 8 a.m. Saturday;Feb.22;1975;after being admitted to Monongahela Division of Mon Valley Hospital. She was 78. She was born in Austria-Hungary and had lived in Monessen practically all her life until moving to Belle Vernon two years ago. Mrs.Kunka was a member of the First Christian Church of Monessen. Surviving are one daughter;Myra Kunka of Brooklyn;N.Y.;four sons;Jess Kunka of Monessen;Eugene Kunka of Belle Vernon R.D.2;with whom she resided;Louis Kunka of Belle Vernon R.D.2;and Myron Kunka of Monessen;and 10 grandchildren. Friends will be received at the Rhome Funeral Home;Monessen;after 7 p.m.Sunday and from 2 to 4 and 7 to 9 p.m.Monday. Services will be held Tuesday at 10 a.m.in the chapel of the funeral home with the Rev.Vernon W.McDorman;pastor of the First Christian Church;Monessen;officiating. The family suggests contributions may be made to the heart Fund. Rhome funeral directors in charge.