1860 Census
Ferguson     William         40  Male    Irel   IA      Harrison Calhoun Twp
1870 Census
Furguson     William         44  Male    Irel   IA      Harrison Magnolia Twp
1900 Census
Ferguson        George E         34  Male    Ia      IA      Harrison Logan
Ferguson        W W              39  Male    Ia      IA      Harrison Magnolia Twp
Ferguson        Alvirado         45  Female  Ia      IA      Harrison St John Twp
Ferguson        Mark E           22  Male    Pa      IA      Harrison St John Twp
1910 Census
Ferguson        Teressa          68  Female  Vt      IA      Harrison Little Sioux Twp
Ferguson        Alvirado         54  Male    Ia      IA      Harrison St John Twp
Pherguson       D C              51  Male    PA      IA      Harrison; Harrison Twp
Pherguson       Lidy             78  Female  NY      IA      Harrison; Harrison Twp
1920 Census
Ferguson        Alvirado         64  Male    Ia      IA      Harrison 3-Wd; Missouri Valley; St John
Furgeson        Dewitt           65  Male    Pa      IA      Harrison Dunlap; Harrison
Fergeson        William          39  Male    Ia      IA      Harrison Lincoln
Ferguson        Raleigh          33  Male    Ia      IA      Harrison St Johns