Cathy Antoniak Obituary

Cathy Antoniak (Kingston, Ontario) passed away on July 7, 2026. Cathy, born on June 20, 1957 in Kitchener, Ontario, shared life alongside family, friends, and others. Leave a sympathy message to the family in the guestbook on this memorial page of Cathy Antoniak to show support.

Cathy will be remembered for the impact she had on the lives of those around her. Friends, family, and colleagues will cherish their memories and the time shared. Those who knew Cathy will remember moments of kindness, warmth, and presence. Though words cannot fully capture her life, the legacy of connections and experiences remains. Cathy’s absence will be deeply felt by those who valued her companionship.

She was predeceased by: her sister Linda Nellis (Dave Nellis); and her parents, Carl Pleon and Corean Pleon. She is survived by: her husband Doug Antoniak; her siblings, Deb Ernst (Tom Ernst) and Todd Pleon (Shelley Pleon); her brother-in-law Don Antoniak (Deb Antoniak); and her pets, Gibbs and Abby.

In lieu of flowers the family is asking that donations go to the A.B. Smith Homestead House in Kingston Ontario.