1870 Census
Furguson     William         32  Male    Pa     MI      Allegan Ganges Twp
Furgeson     Ruth            71  Female  Ny     MI      Allegan Plainwell
Furgeson     Robert          20  Male    Pa     MI      Allegan Saugatuck
Furgeson     William         35  Male    Ky     MI      Allegan Saugatuck
Furgeson     Robert          21  Male    Mi     MI      Allegan Saugatuck Twp
1900 Census
Ferguson        William F        62  Male    Pa      MI      Allegan Saugatuck Twp
1910 Census
Ferguson        Henry C          58  Male    Il      MI      Allegan 2-Wd Allegan
Ferguson        W F              71  Male    Pa      MI      Allegan Ganges Twp
1920 Census
Ferguson        Francis M        58  Male    Il      MI      Allegan 1-Wd Allegan
Fergueson       Henry C          68  Male    Il      MI      Allegan 2-Wd Allegan
Ferguson        Harley           29  Male    Mi      MI      Allegan Gunplain
Furgeson        Robert           47  Male    Ny      MI      Allegan Otsego