Peacefully on Sunday April 21st 2019 at Peterborough Regional Health Centre at the age of 92. Thelma was a Retiree of Kmart for over 25 years. Wife of the late Frederick Warren of 43 years. Mother of Janet Erikson of Toronto, and Christine (Joe) Siler of Michigan. Sister of Hazel Lightfoot, Bernard (Pat) Newell, Mavis Newell, Kay (John) Pymer, the late Ronald Newell and the late Joyce Williams of the United Kingdom. A Celebration of Life will take place this Friday April 26th, 2019 from 2:00- 4:00 p.m. at ASHBURNHAM FUNERAL HOME, 840 Armour Road, Peterborough. If desired, donations to the Canadian Cancer Society may be made through the funeral home or condolences may be made online. www.AshburnhamFuneral.ca.