1900 Census
Ferguson        Catherine        17  Female  Mn      MN      Otter Tail 1-Wd Fergus Falls
Ferguson        Edward S         33  Male    Mn      MN      Otter Tail Carlisle Twp
Ferguson        William A        40  Male    Wi      MN      Otter Tail Carlisle Twp
Forgerson       Gunnar           81  Male    Norw    MN      Otter Tail Folden Twp
1910 Census
Ferguson        Edward           43  Male    Mn      MN      Otter Tail 3-Wd Fergus Falls
Fargusson       Ashley           72  Male    Norw    MN      Otter Tail Aurdal Twp
Furgison        James            56  Male    Wi      MN      Otter Tail Rush Lake Twp
1920 Census
Ferguson        Mable T          21  Female  Mn      MN      Otter Tail 1-Wd Fergus Falls
Ferguson        Edward S         52  Male    Mn      MN      Otter Tail 3-Wd Fergus Falls
Ferguson        Robert           60  Male    Mi      MN      Otter Tail 3-Wd Fergus Falls; Fergus Fall
Ferguson        Kathrine         36  Female  Mn      MN      Otter Tail 4-Wd Fergus Falls
Ferguson        George           35  Male    Mn      MN      Otter Tail Friberg
Ferguson        Ray B            25  Male    In      MN      Otter Tail Girard
Ferguson        James            63  Male    Wi      MN      Otter Tail Homestead
Ferguson        William N        54  Male    In      MN      Otter Tail Nidaros