1900 Census
Ferguson        Alex E           52  Male    Ny      SD      Kingsbury 3-Wd De Smet
Fergerson       Torger           47  Male    Norw    SD      Kingsbury Badger
Ferguson        Peter            38  Male    Ny      SD      Kingsbury Manchester Twp
1910 Census
Ferguson        John             64  Male    Il      SD      Kingsbury 1-Wd De Smet
Ferguson        Peter            49  Male    Ny      SD      Kingsbury Manchester Twp
1920 Census
Ferguson        Peter            58  Male    Ny      SD      Kingsbury Manchester Twp