1900 Census
Ferguson        Ira G            59  Male    Me      SD      Turner 2-Wd Hurley
Ferguson        H A              41  Male    Ny      SD      Turner Centerville Twp
1910 Census
Furgeson        Robert D         41  Male    Ia      SD      Turner Centerville Twp
1920 Census
Ferguson        Robert N         51  Male    Ia      SD      Turner Centerville Twp