1900 Census
Ferguson        Al???            33  Male    Cana    SD      Sanborn Oneida Twp
Ferguson        James            65  Male    Cana    SD      Sanborn Oneida Twp
Ferguson        H James          30  Male    Cana    SD      Sanborn Union Twp
Ferguson        T Wilbur         30  Male    Cana    SD      Sanborn Union Twp
Ferguson        Thomas           57  Male    Cana    SD      Sanborn Union Twp
Ferguson        Warren           67  Male    In      SD      Sanborn Warren Twp
1910 Census
Ferguson        Elmer            42  Male    Il      SD      Sanborn Butler Twp
Ferguson        Alexander F      43  Male    Cana    SD      Sanborn Oneida Twp
Ferguson        Mary             38  Female  Cana    SD      Sanborn Oneida Twp
Ferguson        Fred             35  Male    In      SD      Sanborn Silver Crk Twp
Ferguson        Web L            40  Male    Cana    SD      Sanborn Union Twp
1920 Census
Ferguson        Pearl            22  Female  Sd      SD      Sanborn 1-Wd; Woonsocket
Ferguson        Elmer            51  Male    Il      SD      Sanborn Letcher Twp
Ferguson        T                30  Male    Ia      SD      Sanborn Logan Twp
Ferguson        Thomas           76  Male    Cana    SD      Sanborn Logan Twp
Fergeson        Alexander        52  Male    Cana    SD      Sanborn Oneida Twp
Fergeson        Mary             41  Female  Cana    SD      Sanborn Oneida Twp
Ferguson        Wilburt          49  Male    Cana    SD      Sanborn Union Twp