Colonel John H. Moulton was one of the pioneer iron masters in the Hanging Rock Iron Region. He married Hiram Campbell’s daughter, Elizabeth. The couple made their home across 5th Street from the John Campbell House.
John had a business relationship with his father-in-law, Hiram. They formed Campbell and Sons and started Sarah Furnace.
On March 3, 1910, John Moulton died at the age of 67 from angina pectoria.