[2] The elder Dunham had emigrated from New York State in a covered wagon to settle on 400 acres of land in Illinois, where he strategically built roads, an inn, a general store, and a house in order to prosper from the construction of new railroad lines passing through the area.

[6] By 1883, the Dunham Castle, which was patterned after the Normandy chateaus he had seen while on stock buying trips in France, was completed and served as the family residence.

Those that made the trip included Cyrus McCormick, George Pullman, the Duke of Veragua, Daniel Burnham, Marshall Field, and Carter Harrison, Sr.

[7] Mark W. Dunham died at Mercy Hospital in Chicago on February 11, 1899, reportedly of blood poisoning after inspecting an infected hoof.

[11] In 1910, Louise Powis Clark (1887–1965) (a granddaughter of Solomon Dunham's eldest son Daniel), and her husband Elwood Brown traveled to Manila, Philippines with the Y.M.C.A.

With the help of her mother, Mrs. Julia Dunham Powis of Wayne, the production of this attire eventually developed into a million dollar business, and moved its headquarters from the family home, "Grove Place," to New York City.