In the News

Mueller Museum Launching Public Online Survey for Long-Term Exhibit Planning

All Central Illinois residents are invited to complete a short online survey to help the Hieronymus Mueller Museum with long-term exhibit planning. In the survey, you’ll get to see images from the museum’s collection and rate them based on how interesting they are to you! Complete the survey by Friday, October 13.

Hieronymus Mueller Museum Offering Free Admission to Jumpstart Planning for New Exhibit

Central Illinois residents and visitors are invited to explore the Hieronymus Mueller Museum free of charge this summer! The museum is offering free admission to anyone who completes a short survey about their visit during May, June, and July 2023.

Taste of History

A progressive evening of cocktails and hors d’oeuvres returns!

The Taste of History event returns this year Saturday, October 7 from 5-9pm. During this event, you’ll explore five of Decatur’s history sites while enjoying delicious hors d’oeuves and drinks at each location.

Mueller Museum Donating Art to Decatur Area Arts Council for Fundraiser

The Hieronymus (HAIR-on-i-mus) Mueller Museum of Decatur, IL is partnering with the Decatur Area Arts Council to showcase a selection of museum founder, Jane Mueller’s personal art collection. The show will be up April 1-23 in the Anne Lloyd Gallery at the Decatur Area Arts Council. All of the art will be for sale, with proceeds supporting the Arts Council. Learn more at

Decatur Attorney Loves History

June 29, 2020
Learn more about Decatur and Hieronymus Mueller’s history in this short video by Gary Geisler!

All News & Events

PBS: Heartland Highways

PBS, January 31, 2014
The Cross at the Crossroads in Effingham is seen by many, and we’ll share the story behind the big symbol. We’ll take you inside the Mueller Family museum in Decatur; started by German immigrant Hieronymus Mueller in the late 1800s, the Mueller Company became famous for fire hydrants, butterfly valves and much more.

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Recent News

WAND-TV: A portrait of the American dream

WAND-TV, November 6, 2017
Hieronymus Mueller moved to the United States in 1832. Through hard work and dedication, Mueller helped change the gas and water industry. Mueller was a German immigrant and an inventor and businessman.

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