1900 Census Ferguson Frank 25 Male Ia MT Chouteau Chinook Twp Ferguson William B 43 Male Mo MT Chouteau Fort Assiniboine Ferguson Almeta 30 Male Wi MT Chouteau Fort Benton Twp Ferguson William 22 Male Cana MT Chouteau Havre Twp Ferguson Peter 21 Male Mt MT Chouteau Landusky Twp 1910 Census Ferguson Mathew B 30 Male Engl MT Chouteau 1-Wd Havre Ferguson William 27 Male Nd MT Chouteau 2-Wd Fort Benton Farguson Rose 24 Female Cana MT Chouteau 2-Wd Havre Ferguson James 27 Male Engl MT Chouteau 2-Wd Havre Ferguson Mike 32 Male Ny MT Chouteau 3-Wd Havre Fergerson Sidney R 22 Male In MT Chouteau Millitary Reservation 1920 Census Ferguson Hanna 55 Female Finl MT Chouteau 1-Wd; Ft Benton Ferguson Vivian Annie 10 Female Mo MT Chouteau Chouteau; School Dist