Anna Seykoski Annonio;86;of Donora;formerly of Monessen;died Friday;June 19;1998;at 1:41 p.m. in Monongahela Valley Hospital;following a lengthy illness. She was born in Czechoslovakia on Dec.23;1911;a daughter of the late John and Anna Hrietz Seykoski. Mrs.Annonio was a resident of Monessen most of her life;having worked as a custodian for the City of Monessen in the municipal building for over 20 years. She was a member of the Epiphany of Our Lord Roman Catholic Church and a member of the VFW Post 1190 Ladies Auxiliary in Monessen. In addition to her parents;she was preceded in death by her husband;Peter Annonio in 1991;and four brothers;Mike;George;Andy and Emil Seykoski;and two sisters;Mary Varganin and Helen Harchar. Survivors include two daughters;Olive Boyd of Donora;with whom she made her home;Mrs.Joseph (Marguerite) Demchak of New Eagle;a brother;John Seykoski of Arnold City;two sisters;Betty Hale of Monessen and Mrs.George (Margaret) Nalepa of Cleveland;Ohio;nine grandchildren;14 great-grandchildren;and four great-great-grandchildren. Friends will be received Sunday from 2 to 4 and 7 to 9 p.m. in the Dalfonso-Billick Funeral Home Inc.;441 Reed Ave.;Monessen. A blessing service will be held Monday at 9:30 a.m. in the funeral home;followed by a 10 a.m. funeral Mass in Epiphany of Our Lord Roman Catholic Church in Monessen. Interment will follow in Belle Vernon Cemetery. Funeral arrangements are being handled by the Dalfonso-Billick Funeral Home Inc.;Timothy J.Billick;funeral director.