Contains papers regarding Willey and his family life, including photographs, correspondence, newspaper clippings, and ephemera both in the form of scrapbook pages and loose pieces. Dated 1931-2003.

Contains correspondence, articles, reports, ephemera, and photographs and negatives from Ivan and Evelyn Willey's mission in Boise, Idaho. Contents dated 1979-1981.

Materials include correspondence, articles, and various ephemera concering the years of education, courtship, and marriage while at BYU. Also contains honors awarded later towards Willey from or about his connection to BYU in academics and his profession. Materials date from 1930 to 2001.

Contains correspondence, activity programs, certificates of callings and authority, photographs, and directories of members in the Church of Jesus Christ in the Wyoming area, particularly under Willey as a stake president. Dated 1968-1979.

Contains correspondence, event programs and information, articles, certificates, and scrapbook pages concerning the years of the Willey family in Superior, Wyoming, with Ivan working as a superintendent. Materials dated 1940-1955.

Contains correspondence, articles, and newspaper clippings regarding Willey's years as faculty and a dean at the University of Wyoming. Includes ephemera such as a plaque, cards, and event pins. Dated 1954-1977.

Contains photographs, correspondence, articles, and notes on the early years of Ivan and Evelyn Willey living in Wyoming, including their family life, Ivan's career in education administration and sport coaching, further schooling at the University of Wyoming, and church life. Dated 1935-1941.

Contains Willey's masters and doctoral theses, biography, correspondence and addresses or speeches from his education administration era, and funeral correspondence and programs and his obituary. Materials dated 1940-2011.