James Truelson was born in Denmark and immigrated to the United States in 1881. After living in the East with a brother, he moved to Colorado in 1885. Truelson lived in the Maple Grove area of Jefferson County where he operated a garden tract for many years. He was Secretary of the Maple Grove School district and active in the Maple Grove Grange. During his years as Commissioner, the Lookout Mountain road was built and Jefferson County completed a new jail and Sheriff's residence.