Peacefully at Cortellucci Vaughan Hospital on Saturday, March 6, 2021 at the age of 84 years. Predeceased by her loving husband Bill Paterson. Dear mother of Brenda (Philip Hull) and Wendy (Glenn Laycock) all of Keswick. Cherished grandmother of Anna Young (Darren Smalley), Lauren Hull and Tylyn Hull (Matt Hinchley). GG of Brooklyn, Kolton, Cashton and Raelynn. Beloved sister of the late Joan Norrie. She will be sadly missed by her extended family and friends. In memory of Thelma, donations made to the Nature Conservancy of Canada would be appreciated. Private arrangements entrusted to the M.W. Becker Funeral Home, Keswick, Ontario. Sign an online book of condolences at mwbeckerfuneralhome.com