Mrs.Clara MacDonald;45;of 1100 Brown St.;Belle Vernon;died Saturday morning;Sept.3;1966 at 9 a.m. in Charleroi-Monessen Hospital after a brief illness.  Mrs.MacDonald was born in Trafford;June 11;1921;and had resided in Belle Vernon for the past 26 years.  She was a member of St.Sebastian R.C.Church;Belle Vernon. Surviving are her husband;Robert W.Sr.;two sons;George R.and Robert W.;Jr.;both at home;two daughters;Mrs.Donald (Dixie Lee) Dowlin;of Everett;Pa. and Denise Lynn;at home;her mother;Mrs.Virginia Colangelo;of Trafford;three brothers;George Colangelo;of Brunswick and Leonard and Joseph of Trafford;two sisters;Mrs.Elsie Pache and Mrs. Lola Bayko of Trafford and two grandchildren.  Friends will be received at the Shelby D.Ferguson Funeral Home;Belle Vernon;after 12 noon on Sept.4.  Services will be held at the funeral home;Tuesday;Sept.6;1966;at 10 a.m.  Interment will be in Belle Vernon Cemetery.  Shelby D.Ferguson;funeral director.