1900 Census Ferguson C D 48 Male Irel IA Cerro Gordo 3-Wd Mason Ferguson John R 29 Male Ia IA Cerro Gordo Clear Lake Twp 1910 Census Fergusen Berton F 49 Male Pa IA Cerro Gordo 3-Wd Mason Ferguson Louis Sr 24 Male Ia IA Cerro Gordo 3-Wd Mason Furgeson John 37 Male Irel IA Cerro Gordo Clear Lake Twp 1920 Census Furgeson John R 47 Male Irel IA Cerro Gordo 2-Wd; Clear Lake Ferguson M E 31 Male Il IA Cerro Gordo 2-Wd; Mason City Ferguson Mary K 61 Female In IA Cerro Gordo 2-Wd; Mason City Ferguson William 46 Male Scot IA Cerro Gordo 2-Wd; Mason City Furguson Frank 31 Male Ia IA Cerro Gordo 2-Wd; Mason City Ferguson B F 58 Male Pa IA Cerro Gordo 3-Wd; Mason City Ferguson H L 32 Male Ok IA Cerro Gordo 3-Wd; Mason City Ferguson Robert 28 Male Ia IA Cerro Gordo 3-Wd; Mason City