1900 Census
Ferguson        Eyron H          43  Male    Oh      SD      Pennington 1-Twp N Range 8 E
Ferguson        Fred             16  Male    Sd      SD      Pennington 1-Twp S Range 11
Ferguson        Frank            43  Male    Mi      SD      Pennington 1-Wd Rapid City
Ferguson        William          57  Male    Scot    SD      Pennington 1-Wd Rapid City
Fergerson       John             37  Male    Scot    SD      Pennington 3-Wd Rapid City
Ferguson        Thomas W         70  Male    Scot    SD      Pennington Silver City Twp
1910 Census
Furgeson        Cora             59  Female  Wi      SD      Pennington 1-Wd Rapid
Furgeson        Frank C          53  Male    Oh      SD      Pennington 1-Wd Rapid
Furgeson        Richard K        66  Male    Cana    SD      Pennington 1-Wd Rapid
Ferguson        Forest           22  Female  Scot    SD      Pennington 2-Wd Rapid
Ferguson        S T              22  Male    Sd      SD      Pennington 2-Wd Rapid
Ferguson        John Jr          47  Male    Scot    SD      Pennington 3-Wd Rapid
Ferguson        Marie            59  Female  Norw    SD      Pennington 3-Wd Rapid
Fergusun        John             70  Male    Scot    SD      Pennington 3-Wd Rapid
Fergeson        William          67  Male    Scot    SD      Pennington 4-Wd Rapid
Ferguson        John             18  Male    Ks      SD      Pennington Patola Pct
Ferguson        Franklin         52  Male    Mi      SD      Pennington Silver Pct
Ferguson        Byron H          49  Male    Oh      SD      Pennington Twp 2 S Range 7 E
Fergerson       Wesley W         30  Male    Il      SD      Pennington Twp 4 N Range 15 E
Ferguson        Charles L        31  Male    Il      SD      Pennington Twp 4 N Range 15 E
Ferguson        Monroe           54  Male    Ia      SD      Pennington Twp 4 N Range 16 E
Ferguson        Walter S         29  Male    Il      SD      Pennington Twp 4 N Range 16 E
Ferguson        John             71  Male    Scot    SD      Pennington White Pct
1920 Census
Ferguson        Benjamin F       63  Male    Mi      SD      Pennington 1-Wd; Rapid
Ferguson        Frank            27  Male    Sd      SD      Pennington 1-Wd; Rapid
Ferguson        Fred R           35  Male    Sd      SD      Pennington 1-Wd; Rapid
Ferguson        Marie            71  Female  Norw    SD      Pennington 2-Wd; Rapid
Ferguson        Alma             21  Female  Ia      SD      Pennington 31-Pct
Ferguson        Jane V           63  Female  Il      SD      Pennington 32-Pct
Ferguson        Walter S         40  Male    Sd      SD      Pennington 32-Pct
Fergurson       David            60  Male    Wi      SD      Pennington 3-Wd; Rapid
Ferguson        John             55  Male    Scot    SD      Pennington 3-Wd; Rapid
Ferguson        William          77  Male    Scot    SD      Pennington 4-Wd; Rapid
Ferguson        Byron H          51  Male    Oh      SD      Pennington Hayward
Fergueson       William          36  Male    Sd      SD      Pennington Sitting Bull