Sandra Joanne McAllister (nee McLeod) passed away suddenly on Thursday September 14, 2023 at Royal Victoria Regional Health Center in Barrie at the age of 78 Sandra, beloved wife of Ian McAllister. Loving mother of Glen and his wife L.J., Mark and his wife Tarren and Grant and his wife Jennifer. Cherished grandmother of Breanne, Cori, Ronin, Lucy and April. Sister in law to David and Helen (nee MacPhee) McAllister. Survived also by her sister Peg (Phil) Kaspari. Will be sadly missed also by Sue Dawe (Steve). Predeceased by her sister Lee and brothers Robert and Bill. At Sandra's request, cremation has taken place. Family and friends will be received for visitation at Fawcett Funeral Home - Collingwood Chapel on Saturday October 14, 2023 from 1-3 pm. In lieu of flowers, donations may be made to the Collingwood General & Marine Hospital Foundation in Mrs. McAllister's memory.