When Harriet Clementina Keeley was born on 15 April 1842, in Zanesville, Muskingum, Ohio, United States, her father, William Perry Keeley, was 25 and her mother, Elizabeth Ann Twaddle, was 21. She married Thomas Henry Yarnall on 25 October 1865. They were the parents of at least 3 sons and 1 daughter. She lived in Newark, Licking, Ohio, United States in 1870 and Baytown Township, Washington, Minnesota, United States in 1885. She died on 10 November 1930, in Chicago, Cook, Illinois, United States, at the age of 88, and was buried in Stillwater, Washington, Minnesota, United States.