Mark Allen Chadbourne, a beloved brother, uncle, mentor, and friend, passed away peacefully in 2025, leaving behind a legacy of kindness and service. He is survived by his cherished brother, Carol Chadbourne, and the immediate family of his late brother, Jack Chadbourne and his late wife Dawn Chadbourne, Dennis, Dayle (Pat), Dave (Cindy), Valerie, and Derek. Mark is also mourned by Jack's grandchildren: Caitlin, Carly, Alexander, Ben, MacKechnie, and Jack, as well as his great-grandchild, Laramie.

He was predeceased by his father, Dennis, mother, Mae, brother, Jack, niece Linda, and grandnephew John Cody.

Mark was an exceptional uncle and a supportive colleague, always ready to lend a hand to anyone in need. Born in Widdifield Township, he enjoyed a rich and fulfilling life, which included passions such as race car driving, fishing, and hunting during his younger years.

Professionally, Mark had a rewarding career as a dedicated teacher at Chippewa Secondary High School in North Bay and Sir Wilfred Laurier Collegiate Institute (SWLCI) in Scarborough, Ontario. Following his retirement, he embraced volunteer work with Habitat for Humanity, where he helped build affordable homes for families in Toronto and around the world. His commitment to making a positive impact on the lives of others was evident throughout his life.

Mark's contributions were acknowledged through several accolades, including:

- A letter of praise from Prime Minister Brian Mulroney for his work in the Drug Information Students Program “Just Say NO” at SWLCI.

- Nomination for the Anson S. Taylor Award by the Board of Education, City of Scarborough.

- The Ontario Solicitor General’s Crime Prevention Award from the Ontario Ministry of Correctional Services for his work with the Corrective Shoplifter’s Program.

- The Stephen P. Clark Award for his efforts with Habitat for Humanity in South Florida.

- Jim Carter Work Projects organized through Habitat for Humanity in South Korea, South Africa, Mexico, Georgia, South Dakota (first indigenous build)

- Habitat for Humanity Blitz Builds in Toronto (multiple builds), Montreal, Miami, Dallas, Detroit, New Orleans
The family extends a heartfelt thank you to Dr. David Fields and the compassionate staff at St. Joseph’s Health Centre in Toronto for their exceptional care.

In lieu of flowers, donations can be made in Mark's name to your local Habitat for Humanity and /or Daily Bread Food Bank to continue his legacy of helping those in need.

A celebration of Mark’s life and burial will be held at Martyn’s Funeral Home (North Bay) in July 2025.