1900 Census Ferguson Margaret 46 Female Oh IA Montgomery 3-Wd Red Oak 1910 Census Fergeson Margarett E 50 Female In IA Montgomery 1-Wd Red Oak Ferguson Harry J 20 Male Ne IA Montgomery 3-Wd Red Oak Ferguson Harry 20 Male Ne IA Montgomery Pilot Grove 1920 Census Ferguson Dan 22 Male Ia IA Montgomery 1-Wd; Red Oak Ferguson Harry W 29 Male Ne IA Montgomery 1-Wd; Red Oak Furgeson Beryl 33 Male Ia IA Montgomery 2-Wd; Red Oak Furgeson Hal 30 Male Ia IA Montgomery 2-Wd; Red Oak Furgeson Rodger C 34 Male Ia IA Montgomery 2-Wd; Red Oak