Sheryl Tillinghast was employed and lived at the Wassaic State School, Wassaic, Dutchess County, New York until the time of her disappearance, about September 24, 1973. She reportedly left behind her possessions and two paychecks. Sheryl was originally from Phelps, Ontario County, New York. She remained in regular contact with her family until the time of her disappearance. No known vehicle. Sheryl was not reported missing until November 2, 1998.