Mary Kathleen Demerchant Obituary
With heavy hearts, we announce the death of Mary Kathleen Demerchant (Oshawa, Ontario), who passed away on November 12, 2025. Leave a sympathy message to the family on the memorial page of Mary Kathleen Demerchant to pay them a last tribute.
She was predeceased by: her husband Gary; her parents, Charlie Walker and Joyce Walker; and her sister Sally Baker. She is survived by: her children, Michelle, Mac, Michael, Kim, Josh, Stacey, Tammy, Jay, Clay and Amanda; her siblings, Jim and Sharon Walker; and her stepmother Judy Holmes. She is also survived by her 14 grandchildren and many great grandchildren.
Visitation was held on Sunday, November 23rd 2025 from 12:00 PM to 1:00 PM at the Armstrong Funeral Home (124 King St E, Oshawa, ON L1H1B6). A funeral service was held on Sunday, November 23rd 2025 at 1:00 PM at the same location.
As an expression of sympathy, memorial donations may be made to a charity of your choice.
