Céline Mathieu

It is with deep sadness that we announce the passing of Céline Mathieu, who passed away on October 16, 2026, in Charlesbourg, at the age of 58, following a battle with cancer. Born on May 21, 1968, in Montreal, she was the daughter of the late Francine Bissonnette and the late Denis Mathieu.

She is survived by her husband Gaétan Gauthier, her daughter Roxanne (Guillaume), her stepson Jonathan (Vanessa), her grandchildren Axel and Bryan, her sister Manon (Gerry), her brother Richard (Sandra), her sister-in-law France (Michel), her brother-in-law Raynald, her brother-in-law Michel, and her late brother-in-law Denis (Nancy).

She also leaves behind her nieces and nephews, as well as many other relatives and friends.

Céline was known for her authenticity, integrity, and generosity, which will remain etched in our memories.

A celebration of her life will take place on Saturday, November 7, 2026 (see below for full details).

Funeral details

Acknowledgements

The family wishes to thank the CIC Cancer Center of Enfant-Jésus for the care she received.
Thank you to all those who surround us with love during this difficult time.

Your expressions of sympathy can result in a donation to:Société canadienne du cancer.

The Canadian Cancer Society works tirelessly to save and improve lives. Thanks to our donors and volunteers, we’re able to fund groundbreaking cancer research into all types of cancer, offer support services to help people better manage life with cancer, shape healthy public policies to prevent cancer and support those living with the disease, and offer trusted cancer information for all Canadians.

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