Passed away peacefully with her family by her side at the Juravinski Hospital on Sunday, January 8, 2023. Remembered and loved always by her husband Fred of 46 years; her sons David (Stacey) and Douglas, granddaughter Robyn, brother Jim, sisters Nancy and Louise and by her sisters-in-law and brothers-in-law. She was a dedicated Plant Biologist at McMaster University and an avid quilter. In keeping with Thelma’s wishes, cremation has taken place and a burial attended by her family will be held.