When Mary Temperance Finn was born about 1847, in Benton Township, Luzerne, Pennsylvania, United States, her father, Sidney B Finn, was 31 and her mother, Caroline Van Fleet, was 31. She lived in Lenox Township, Susquehanna, Pennsylvania, United States for about 10 years. She died on 14 September 1927, in Snohomish, Snohomish, Washington, United States, at the age of 80, and was buried in Snohomish, Washington, United States.