1870 Census
Ferguson     Robert          36  Male    Pa     MT      Lewis & Clark Unionville
1900 Census
Ferguson        Herbert          29  Male    Wy      MT      Lewis & Clark 2-Wd Helena
Fergisson       Christine        38  Female  Ut      MT      Lewis & Clark 3-Wd Helena
Ferguson        Frederick E      42  Male    Wi      MT      Lewis & Clark 6-Wd Helena
Ferguson        Maude            26  Female  Ca      MT      Lewis & Clark 7-Wd Helena
1910 Census
Farguson        Gunda            11  Female  Mt      MT      Lewis & Clark Helena
Ferguson        Judson A         39  Male    Mi      MT      Lewis & Clark Helena
Ferguson        William J        80  Male    Cana    MT      Lewis & Clark Helena
Ferguson        Arthur M         32  Male    Ks      MT      Lewis & Clark Kessler School Dist
Ferguson        James J          24  Male    Pa      MT      Lewis & Clark Kessler School Dist
Ferguson        Edwin            47  Male    Mi      MT      Lewis & Clark School Dist 40
Fergison        Charles          27  Male    Swed    MT      Lewis & Clark School Dist 5
1920 Census
Fergusen        Gladys           30  Female  Ne      MT      Lewis & Clark 2-Wd; Helena
Ferguson        Clarence         33  Male    Oh      MT      Lewis & Clark 5-Wd; Helena
Ferguson        J L              74  Male    Irel    MT      Lewis & Clark 5-Wd; Helena
Ferguson        Judson A         50  Male    Mi      MT      Lewis & Clark 7-Wd; Helena; 14-Pct
Ferguson        Grace            41  Female  Ks      MT      Lewis & Clark Augusta; School Dist 31

MONTANA -- 1870 Census -- Lewis and Clark
FERGUSON         Robert    Lewis/Clark     207
FURGUS           Andew     Lewis/Clark     219