1910 Census Fergeson William H 36 Male Mt MT Rosebud Crow Indian Reservation Fergusen William J 43 Male Il MT Rosebud Kirby School Dist Ferguson Rob A 24 Male Ia MT Rosebud Sanders School Dist 1920 Census Ferguson Park 46 Male Mo MT Rosebud 1-Wd; Forsyth Ferguson Glen 18 Male Il MT Rosebud School Dist 13 Ferguson Sidney B 22 Male Il MT Rosebud School Dist 13