Ruth Hoyt Denison (1877-1940) and Vivian Denison (1880-1938) were residents of Harlan, Iowa, and later Moline, Illinois. The couple had one son, Henry Hoyt Denison. The Denison family papers, 1906-1971, primarily focuses on the deaths of Ruth and Vivian Denison. The collection includes memorial booklets, obituaries, a cemetery deed, a family Bible, and other papers.