When Mary Elizabeth Deputy was born on 6 February 1852, in Jennings, Indiana, United States, her father, William Beauchamp Deputy, was 32 and her mother, Almira Bacon, was 30. She married James S. Taylor Patton on 2 August 1868, in Eagleville, Harrison, Missouri, United States. They were the parents of at least 2 sons and 4 daughters. She lived in Portland, Multnomah, Oregon, United States in 1910 and San Diego, San Diego, California, United States in 1920. She died on 24 December 1927, in San Diego, California, United States, at the age of 75, and was buried in Mount Hope Cemetery, San Diego, San Diego, California, United States.