Port Orange - Stefanie K. Therrien, 87, a resident of Port Orange for twenty seven years, died peacefully in her sleep at Hospice in Edgewater.   A native of Pittsfield, MA, Mrs. Therrien worked for the General Electric Company in Pittsfield, MA until her retirement in 1984 when she moved from Pittsfield to Port Orange and was a resident of Volusia County until her death. She enjoyed a number of activities after retirement including wood carving, dancing, and travelling. Survivors include a son, Charles, and daughter-in-law Judy, Monterey, CA; granddaughters Kristen, Salinas CA, and Lara, Littleton, CO; a nephew, Donald E. Kruck and his wife Barbara  Kruck, Smyrna Beach, FL,  two great nephews, and their five children.     Donations are requested to Hospice of Volusia 3800Woodbriar trail Port Orange FL 32119. Interment will be at Pittsfield Cemetery in Pittsfiled, Massachusetts.