When Cecile Marie Theriault was born on 15 September 1908, in Saint-Léonard, Madawaska, New Brunswick, Canada, her father, Theophile Theriault, was 31 and her mother, Clarina Dube, was 22. She married Albert Joseph O'Clair on 30 November 1935. They were the parents of at least 2 sons and 2 daughters. She died on 20 October 1991, in Caribou, Aroostook, Maine, United States, at the age of 83, and was buried in Sacred Heart Cemetery, Caribou, Aroostook, Maine, United States.