Hieronymus Mueller Museum
Just west of downtown Decatur, Illinois, the Hieronymus Mueller Museum is open to the public on Tuesday through Saturday and other times by appointment.
*Please note our hours are by appointment only at this time.
The Mueller Museum is dedicated to the collection, preservation, and interpretation of the history of Mueller Company and of the family and descendants of Hieronymus Mueller.
The Hieronymus Mueller Museum was founded in 1995 by the Hieronymus Mueller Family Foundation to house and curate the vast collection of Mueller Family and Mueller Co. physical artifacts, memorabilia and library materials.
Hieronymus Mueller pictured with wife, Frederica, and all seven children – Henry, Philip, Fred, Robert, Adolph, Leda, and Oscar.