1860 Census
Furguson     William         55  Male    Oh     IA      Iowa Iowa Twp
Furgason     Calvin          35  Male    Cana   IA      Iowa Troy Twp
1870 Census
Ferguson     Calvin          45  Male    Cana   IA      Iowa Dayton Twp
Ferguson     John            30  Male    Ny     IA      Iowa Honey Crk Twp
Ferguson     E M             38  Male    Cana   IA      Iowa Pilot Twp
1900 Census
Fergerson       William          50  Male    Denm    IA      Iowa Hartford Twp
1910 Census
Furgeson        Moses            35  Male    Il      IA      Iowa Marengo
Ferguson        Charles          37  Male    Ia      IA      Iowa Victor
Fergusson       William          59  Male    Irel    IA      Iowa Victor
1920 Census
Furgeson        Moses            44  Male    Il      IA      Iowa 1-Wd; Marengo
Furguson        Charles          46  Male    Ia      IA      Iowa Victor
Furguson        William J        69  Male    In      IA      Iowa Victor