Ann Elizabeth Grace McMaster (née Whiteside) passed away peacefully on December 4, 2019 at the age of 72 after a courageous battle with metastatic breast cancer. She is predeceased by her parents, George and Frances Whiteside (née Willis), infant daughter, Sara and brothers Stephen and Brian Whiteside. She is survived by her husband , Marshall, daughters Gina Hutchinson, Heather McMaster, granddaughter Samantha Stanford and grandson Neal Hutchinson. She also leaves behind sisters Donna Lindsay and Ethel Whiteside and brother Terry Whiteside. Cremation has already taken place and Interment will take place in the spring at the First Presbyterian Cemetery with a celebration of life to follow. Many thanks to Dr. Sunderland, Dr. Li and the nursing staff at Collingwood General and Marine Hospital. If you wish, in lieu of flowers, donations to Georgian Triangle Hospice (Campbell House) would be appreciated.