Leroy D. Miller, a native of St. Joseph, Missouri, was born on February 24, 1869. After his father’s passing, his mother remarried and the family relocated to South Dakota. Miller received his education in the local public schools before embarking on a career in the grain industry. Eventually, he ventured into the livery business and established a successful enterprise in Sioux Falls. With top-notch equipment and a dedicated work ethic, Miller built a thriving business with a wide range of services, including livery, hack and transfer, and even an undertaking department. He is a staunch supporter of the Republican Party and actively involved in the Benevolent and Protective Order of Elks.