Photo of Douglas John MacMILLAN

Douglas John MacMILLAN

May 1, 1936 – February 14, 2026
Age 89
Melbourne, Australia, Ontario
Tri-City Cremation Services

Douglas John Macmillan passed away on February 14, 2026, at the age of 89. Born on May 1, 1936, in Melbourne, Australia, he spent his life building a devoted partnership with his wife Helen, whom he married in 1960. Together, they built a life grounded in love, resilience, and adventure. Doug enjoyed a long and successful career as a Chemical Engineer, travelling extensively and contributing meaningfully to the company's growth. He was a loving husband to Helen, a proud father to Jane and Craig, and a much-loved father-in-law to Sharon. He will be deeply missed by his many friends and extended family in both Canada and Australia.

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