Utah, United States
When Helen Demoisy was born in June 1892, in Utah, United States, her father, Charles DeMoisy, was 41 and her mother, Anna Mary Gardner, was 35. She married Leon Hardy Reader on 13 June 1916. They were the parents of at least 2 sons and 1 daughter. She lived in Avondale, Maricopa, Arizona, United States in 1930 and Supervisorial District 2, Maricopa, Arizona, United States in 1940.