Dianne D. Knoy, 90, of Terre Haute passed away Sunday May 24, 2026 in Majestic Care of Deming. She was born August 16, 1935 to Orval and Emily Martin. Dianne is survived by her sons, Thomas Knoy and Michael Knoy; grandchild, Alex Knoy and numerous cousins. She was preceded in death by her parents and her stepfather, Leland Dixon. Dianne was with Weight Watchers for over 50 years having helped start Weight Watcher groups over much of Indiana. She was a very independent, funny woman who enjoyed gardening, canning, and doing lots of things the old-fashioned way. A Celebration of Life will be held for Dianne on Monday June 1, 2026 from 6:00 pm until 8:00 pm at DeBaun Springhill Chapel. Online condolences may be left at www.debaunfuneralhomes.com