1860 Census
Ferguson     William W       24  Male    Ma     ME      Knox St George
1870 Census
Fergerson    Patrick         31  Male    Engl   ME      Knox 7-Wd Rockland
Furgerson    William         35  Male    MA     ME      Knox St George
Furgerson    John            23  Male    Irel   ME      Knox Thomaston
1900 Census
Ferguson        Robert           76  Male    Cana    ME      Knox 4-Wd Rockland
Ferguson        Patrick          62  Male    Irel    ME      Knox 7-Wd Rockland
Ferguson        Cordelia D       62  Female  Me      ME      Knox Hope
Ferguson        William          66  Male    Ma      ME      Knox St George
1910 Census
Furgeson        Archibald        29  Male    Scot    ME      Knox 3-Wd Rockland
Fergerson       Margaret         56  Female  CanaMe  ME      Knox 6-Wd Rockland
Ferguson        Margaret         14  Female  Ma      ME      Knox Thomaston