1870 Census
Fergerson    Charles         47  Male    Cana   MT      Jefferson Radersburg Pct
1910 Census
Ferguson        William H        56  Male    Mo      MT      Jefferson Twp 4 Range 7 W
Furgeson        Ross             33  Male    Il      MT      Jefferson Twp 8 Range 3 W
1920 Census
Ferguson        Herold           16  Male    Mt      MT      Jefferson Boulder; 3-Pct

MONTANA -- 1870 Census -- Jefferson
FERGERSON        Charles   Jefferson       148