Frank Mullen, an esteemed pioneer of South Dakota, has resided there for over thirty years. Serving as the clerk of the Rosebud Indian agency, he has earned a reputation for his dedicated and responsible role. Born in Texas in 1848, Mullen’s parents were early settlers in the state. After engaging in various endeavors, he arrived in Dakota as a pioneer in 1872. Since 1883, Mullen has held the position of agency clerk, providing exemplary service. A staunch Republican, he is also an active member of various fraternal organizations. Mullen married Jennie Colomb in 1880, and they have three children together.