1910 Census
Fergerson       Albert C         72  Male    Mi      SD      Lyman Butte Twp
Ferguson        Timothy          24  Male    Mn      SD      Lyman Lower Boule
Ferguson        Ezra E           14  Male    Ia      SD      Lyman Van Metre Twp
1920 Census
Ferguson        Albert C         82  Male    Mi      SD      Lyman Butte Twp
Ferguson        Herbert          51  Male    Wi      SD      Lyman Hilmoe Twp