Volumes 59-60 recount Thompson's time back in the United States; much of the content revolves around religious and political meetings on World War I, and the 1918 U.S. midterm elections. Volume 59 contains newspaper clippings.
The Mary McCornack Thompson Diaries were received by the Rare Book, Manuscript, and Special Collections Library as a gift in 2004. Originally, the papers of Mary McCornack Thompson were at Oberlin College, but were reacquired by the family at an unknown date.
Over 100 diaries written by British and American women who documented their travels to places around the globe, including India, the West Indies, countries in Europe, Africa, and the Middle East, as well as around the United States.