Mrs.Mari Kocian;76;10 James St.;Belle Vernon;died yesterday at 5:50 p.m. in Washington General Hospital;Washington;Pa. She was a member of St.Sebastian R.C.Church of Belle Vernon. Surviving are her husband;Frank;seven daughters;Mrs.William (Rose) Sedlak;Springfield;N.J.;Mrs. Thomas (Helen) Mogan;Waltham;Mass.;Mrs.Joseph (Agnes) Fidnarik;Belle Vernon;Mrs.Frank (Mary) Blunenstock;Rutherford;N.J.Mrs. Maurice (Ann) Jeffers;Swartzcreek;Mich.;Mrs.Joseph (Margeret) Butera;Charleroi;Mrs.Joseph (Dolores) Snyder;Needham;Mass.;two sons;Steve at home and Frank of Garfield;N.J.;one brother;Frank Urecek in Czechoslovakia and 17 grandchildren. Friends will be received at the Toner Funeral Home in Belle Vernon after 7 p.m. today. Visiting hours are 2 to 5 and 7 to 10 p.m. Requiem high Mass will be sung at 9:30 a.m. Saturday in St.Sebastian R.C.Church of Belle Vernon with the Rev.Martin O’Toole officiating. Interment will be in Belle Vernon Cemetery. Harold R.Toner;Belle Vernon;is the funeral director.