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Encyclopedia Dubuque


"Encyclopedia Dubuque is the online authority for all things Dubuque, written by the people who know the city best.”
Marshall Cohen—researcher and producer, CNN

Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association.


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1874 advertisement. Photo courtesy: Telegraph Herald

D. H. CONYNGHAM. In 1857 Conyngham began working for the wholesale liquor firm of W. H. Peabody & Company. He opened his own wholesale liquor store at 298 Main Street in 1874. The 1880 Dubuque City Directory stated that this business was to be found at the southeast corner of 3rd and Main.

His business was succeeded by Levens & Dillon who operated from 336 Main Street.



Burggraaf, Mike and Southard, Tom. The Antique Bottles of Iowa. Northfield, OH: Ohio Wholesale Copy Service, 1998