
He will be deeply missed by his devoted wife of 51 years, Diane Cartwright (nee McCullough), and his loving children, Michael (Tracy) and Robert (Ashley). Cherished Gramps to Anna, Leah, Reilly, Amelia and Grayson, who brought him immeasurable joy.
Greg is survived by his sister Kathleen White (Edwin), sister-in-law Jayne Davis (Barry), and many nieces and nephews who will cherish his memory.
Greg was predeceased by his beloved parents, Horace and Lilian Cartwright and in-laws Frank and Isabelle McCullough.
Greg was a kind, caring and genuine friend to all who had the pleasure of knowing him. He had a generous spirit and he dedicated many years to coaching various youth sports throughout Whitby. He shared his love of sports and also his time, encouragement and passion with countless young athletes. The friendships he built and the lives he touched through coaching will be a lasting part of his legacy.
Above all, Greg cherished his family and the many friendships he made throughout his life. He will be remembered for his kindness, his quiet, caring nature and the lasting impact he had on those around him.
Greg’s family would like to extend heartfelt thanks to Staff and caregivers at Hillsdale Estates (Blueberry Hill).
Flowers are respectfully declined, donations in Greg’s memory may be made to the Defeat Multiple System Atrophy (MSA) Canada.
A Celebration of Life will be held on November 21, 2026, at Barnes Funeral Home 5295 Thickson Rd N Whitby. Visitation from 12:30 until time of service at 2:00 pm.
** Due to severe allergies we ask that this be a scent free event including flowers.**
Greg will be forever loved, deeply missed and fondly remembered by all who knew him.
Service Details
Visitation
Saturday, November 21st, 2026 12:30pm – 2:00pm
Celebration of Life Service
Saturday, November 21st, 2026 2:00pm
Reception
Saturday, November 21st, 2026

