1900 Census
Ferguson        Frank            20  Male    Ia      SD      Moody Egan Twp
Ferguson        David            14  Male    Sd      SD      Moody Enterprise Twp
Ferguson        John             23  Male    Ia      SD      Moody Enterprise Twp
Ferguson        Roxie            16  Female  Ia      SD      Moody Flandreau Twp
1910 Census
Ferguson        John             33  Male    Ia      SD      Moody Enterprise Twp
Ferguson        John A           37  Male    Il      SD      Moody Enterprise Twp
Ferguson        L D              43  Male    Wi      SD      Moody Ward Twp
1920 Census
Ferguson        John L           41  Male    Ia      SD      Moody Trent; Enterprise Twp