Priscilla F. Exchange, 87, of Longfellow St., passed away unexpectedly Monday, November 19, 2012 at her residence. She was born in Westbrook, the daughter of Sam and Antoinette Gallant.  She has lived in Westbrook most of her life.  Priscilla was married to Clarence Exchange, he passed away in 1969.   She worked at Tom's Restaurant, S.D. Warren Paper Co. Zayres, and most recently at Data General.  Priscilla loved her grandchildren and great grandchildren and enjoyed the time she spent with them. She is survived by a daughter Susan and her husband Bob Morency of Freeport; a son Michael Exchange of South Korea; sisters Patricia Kelley and husband Tom of Westbrook, and Yvonne Milan of Portland; grandchildren Crescant DeSimio of Westbrook, Lisa Noyes and her husband Andy of TX, Ginny Herring of Portland, and Kenneth Exchange of TX; great-grandchildren Kayla, Halla, and AJ. Visiting hours will be from 6 to 8 PM Friday at Blais & Hay Funeral Home, 35 Church St., Westbrook.  A funeral service will be held at 10 AM Saturday at the funeral home.  Interment will follow in St. Hyacinth Cemetery.  On line condolences may be expressed at blaisandhayfuneralhome.com.