James Donald (Don) Lafontaine

James Donald “Don” Lafontaine of Ottawa, passed away peacefully on November 20, 2025. He was a devoted husband, father, grandfather, brother, uncle and friend whose profound love for others was inspiring. His faith in Jesus guided every part of his life, and he shared that faith with sincerity and conviction. He brought many people to God and his family takes comfort in knowing he is now in Heaven, embraced by the One he trusted above all else.

He cared deeply for his family and expressed that love openly and generously. He is remembered for his kindness of spirit, his humility his gentle wisdom and the way he made people feel valued.

A world-renowned scientist, he specialized in the study of moths and became a leading authority in his field. His research earned international respect and he received several distinguished honours, including the Queen Elizabeth II Jubilee Medal for his scientific contributions and the Karl Jordan Medal. He was also a gifted mentor who guided countless students, hobbyists and colleagues, many of whom went on to pursue scientific careers inspired by his example.

Service to others was at the heart of how he lived. He volunteered for 15 years at St. Vincent Hospital through Turning Point Christian Ministries, and other community organizations where his leadership and devotion made a meaningful difference.

He leaves behind his beloved wife of 54 years, Herma (née Wagter), his daughters Julie (Alan) and Heather (Dan), and his treasured granddaughters Erika, Natalie and Violet. Don was predeceased by his parents John and Muryn Lafontaine. He is also missed by his brother Stephen, his sister Jane, and predeceased by his brother-in-law and birding companion Monty, as well as his sister-in-law Lokke “Lois” (Jim), his brother-in-law Wolter, and his nine cherished nieces and nephews. He is also lovingly remembered by Roger, who has remained a valued part of the family for the last 30+ years.

He will be profoundly missed by all who loved him and by the many people whose lives were shaped by his wisdom, his faith and his unwavering kindness.

Visitation will be held at the Garden Chapel of Tubman Funeral Homes, 3440 Richmond Road, Nepean on Friday, November 28, 2025 from 1:30pm until the Celebration of Life at 2:30pm.

In lieu of flowers, donations to Turning Point Christian Ministries would be appreciated.