Mercy married Clarence Flint in 1910. When Clarence joined the Canadian army in May of 1915, she went with him to serve in England as a nurse. However, she returned to Canada when he was sent to the front lines in France. Clarence was killed in action in 1918. In 1929, Mercy married Arnold Christie of Grande Prairie. She died in 1960.
Source: Pioneers of the Peace p. 40