Duffus, Mark passed away peacefully on Wednesday December 25, 2019 at the Collingwood General & Marine Hospital in his 71st year. Mark, will be forever loved by his wife Sonja, sons Zion and Ceason and daughter Sabre. He will be remembered by his brothers Peter and Tim and his sister Sara. Mark will be missed by all who knew him. As per his wishes cremation has taken place. A celebration of life will be held at a later date.