Gatehouse Media

400 S Main St
Monmouth, IL 61462

Founded by inventor William S. Weir in the 1860s, the Weir Plow Company emerged as Monmouth's premier industry, producing thousands of cultivators and other agricultural implements that were widely distributed throughout the Southwest and into Mexico. The company grew significantly, employing up to 300 workers and contributing to the local economy with a daily output valued at $5,000.

In addition to his achievements in manufacturing, Weir diversified his interests into banking and pottery, founding several financial institutions and the Weir Pottery Company. His innovative spirit and commitment to the community left a lasting impact on Monmouth, marking him as a pivotal figure in the city's industrial development.

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