MacKenzie, Margaret Mary 'Gretta' - peacefully at home on Friday, August 9th, 2019 at the age of 86. Daughter of the Late William and Kathreen (Murray) Whitton. Beloved wife of the Late James Joseph 'Jim' MacKenzie. Dear mother of Maureen Avola of Brighton. Ever remembered grandmother of Nicole (Jeremy) Goldberg and Mathew. Funeral Mass will be held at Holy Angel's Roman Catholic Church, 40 Centre Street, Brighton on Friday, August 16th, 2019 at 11:00 a.m. Cremation with Interment at Mount Hope Cemetery. As an expression of sympathy, donations to Holy Angel's Roman Catholic Church, would be appreciated by the family. Arrangements in care of the Brighton Funeral Home (613-475-2121). On-line condolences at www.rushnellfamilyservices.com