From Encyclopedia Dubuque
EU-QU-BUD, "Dubuque" spelled backwards, copied the secrecy of similar groups formed in New Orleans and St. Louis during the period. The group presented Harvest Moon Festivals for many years, perhaps one reason for the lack of success of the DUBUQUE COUNTY FAIR in the early 1920s. BANK AND INSURANCE BUILDING or by dialing 1059.
The name also enjoyed popularity in the community as the name of a prominent cafe and a theatrical group.
The 1939 Dubuque City Directory through 1942 Dubuque Classified Business Directory listed listed 623 Main.