Alice Lessman Walker of 131 Lynnwood Ave.;Belle Vernon;died Saturday;May 9;1987;at 5:20 a.m.in Jefferson Health Center;Jefferson Borough.  She was 90.  Mrs.Walker was born July 21;1896;in Webster;a daughter of the late John J.and Albertina Huckles Lessman.  She was a resident of the Belle Vernon area the past 50 years;having spent the past seven months at the Monarch House in Charleroi.  Mrs.Walker was a member of St.Sebastian Roman Catholic Church;Belle Vernon;the Belle Vernon Knights of Columbus Council No.3026 Ladies Auxiliary;the Third Order of St.Francis;and the Women’s Benefit Association and Goodwill Club;both of Charleroi.  Her husband;Joseph J.Walker Sr.;died Nov.25;1966.  Also deceased are six brothers and three sisters.  Surviving are three daughters;Mrs.Thomas (Alberta) white of Lorain;Ohio;Mrs.John (Dolores) Harhai of Monessen;and Mrs.Robert (Lorraine) Nelson of Belle Vernon;one son;Joseph J.Walker Jr.;of Speers;one brother;Aberhardt Lessman;of Charleroi;10 grandchildren and 12 great-grandchildren. Friends will be received Saturday from 7 to 9 p.m.and Sunday from 2 to 4 and 7 to 9 p.m.in the Leonard J.Parzynski Funeral Home;626 Broad Ave.;Belle Vernon.  A  Prayer Service will be held Monday at 9:30 a.m.in the funeral home followed by a 10 a.m.Mass of Christian Burial in St.Sebastian Roman Catholic Church;Belle Vernon.  Burial will be in Belle Vernon Cemetery;Belle Vernon.  The Leonard J.Parzynski Funeral Home is in charge of arrangements.