Dubuque, Carnegie-Stout Public Library
Carnegie Grant Information
Town & County
Twelfth Census of the United States — 1900. p. 449.
Dubuque is the county seat of Dubuque County, which was established on September 6, 1834. DuBuque County, along with Demoine County, were the first two counties that encompassed all of Iowa. The town and the county were named for Julien DuBuque (1762-1810) who had settled there by 1788.
(Source: Pratt, LeRoy G. “The Counties and Courthouses of Iowa.” Mason City, Ia; Klipto Printing & Office Supply Company, 1977, p. 108.)