1900 Census
Ferguson        Dugald M         28  Male    Cana    ND      Sargent 2-Wd Milnor
1910 Census
Fergusson       Samuel           42  Male    Scot    ND      Sargent Bowen Twp
Ferguson        Charly A         40  Male    Ia      ND      Sargent Brampton Twp
1920 Census
Ferguson        Charles A        49  Male    Ia      ND      Sargent Brampton