1900 Census
Ferguson        ???Ton A         34  Male    Wi      WI      Bayfield Iron Rvr
Ferguson        Nelson           69  Male    Cana    WI      Bayfield Iron Rvr
Furgeson        David            22  Male    Mi      WI      Bayfield Washburn Twp
1910 Census
Fergusen        Lester           45  Male    Wi      WI      Bayfield Hughes
Ferguson        Dick             19  Male    Wi      WI      Bayfield Oulu Twp
1920 Census
Ferguson        Lester           54  Male    Wi      WI      Bayfield Hughes
Ferguson        Thomas M         29  Male    Cana    WI      Bayfield Iron Rvr