1870 Census
Ferguson     William         45  Male    Irel   ME      Aroostook Houlton
Ferguson     William         6   Male    Me     ME      Aroostook Ludlow
Furgerson    Charles P       41  Male    ME     ME      Aroostook Maysville
1900 Census
Farguson        John N           45  Male    Cana    ME      Aroostook Mapleton
Furgerson       Lee              13  Male    Cana    ME      Aroostook Presque Isle Twp
1910 Census
Furguson        Harly            29  Male    Engl    ME      Aroostook Castle Hill
Ferguson        Harry H          46  Male    Cana    ME      Aroostook Fort Fairfield
Ferguson        Clinton G        48  Male    Me      ME      Aroostook Houlton
Ferguson        Howard H         21  Male    Cana    ME      Aroostook Island Falls
Ferguson        John N           55  Male    Cana    ME      Aroostook Mapleton
1920 Census
Ferguson        Harley N         40  Male    Cana    ME      Aroostook Mapleton
Ferguson        John N           65  Male    Cana    ME      Aroostook Mapleton