A Mass of  Christian Burial will be celebrated by Rev. John Keehner at 11 A.M. Wednesday at St. Christine Church for Sandra Jean DeSalvo Ruark, 75 of Austintown, who passed away peacefully Saturday with her family by her side.  Sandra was born November 25, 1941 in Youngstown, a daughter of the late Henry and Jean Tesone DeSalvo.  She was a graduate of Youngstown College and was a teachers aid with special needs children  in the Youngstown  city schools at Paul C. Bunn elementary school  for twenty years.  Sandra was a member of St. Christine Church and loved spending time with her family..  She leaves to cherish her memory her husband James Michael Ruark, whom she married July 16, 1966 in New Castle, Penna., a daughter Denise (James) McKeown of Wooster, two sons Scott (Kim) Ruark of New Springfield and Chris Ruark of Youngstown, a brother Daniel DeSalvo of Boardman and five grandchildren Connor McKeown, Patrick McKeown, Maureen McKeown, Evan Ruark and Kolten Ruark.  Friends may call for 6 to 8 Tuesday at the Fox Funeral Home, Boardman and from 10 to 11 Wednesday at St. Christine Church.  Material tributes can be made in Sandra's memory to Easter Seals of Youngstown  299 Edwards Street, Youngstown, Ohio  44502. Arrangements are by the Fox Funeral Home, Boardman.