Passed peacefully with her family by her side on November 25, 2018 at 86 years of age. Reunited with her beloved husband Bill. Cherished mother of the late Bill (Denise) Shiells, Heather (the late Sean) Shiells-Dowhaniuk and Katherine (Dennis) Gardner. Loving Grandma of Cassandra, Rachel, Jillian, Randi, Olivia, Ryan, Renée and Raine. Dear friend of Jean Boyle. Mamie will be missed by her extended family and dear friends. Special thank you to Huron Lodge for their care and compassion. If you so desire, donations in honour of Mamie’s granddaughter Olivia can be made to The Aplastic Anemia and MDS International Foundation or Aplastic Anemia and Myelodysplasia Association of Canada would be appreciated by the family. Visitation Saturday from 1:00 p.m. until time of Funeral Service at 3:00 p.m. at Families First 3260 Dougall Ave. South Windsor, 519-969-5841.