When Altha A Woodruff was born on 22 January 1869, in Huntington Township, Gallia, Ohio, United States, her father, Mansley W Woodruff, was 27 and her mother, Prudentia J Martin, was 25. She married James Elmer Blackburn about 1888, in Washington, Ohio, United States. They were the parents of at least 1 son and 5 daughters. She lived in Mt. Tabor, Multnomah, Oregon Territory, United States in 1900 and American Lake, Pierce, Washington, United States in 1930. She died on 12 November 1945, in Portland, Multnomah, Oregon, United States, at the age of 76, and was buried in Portland, Washington, Oregon, United States.