1870 Census
Ferguson     Robert          45  Male    Irel   PA      Monroe Polk Twp
1900 Census
Ferguson        Carl J           39  Male    Ny      PA      Monroe Smithfield Twp
Fergeson        Henry            47  Male    Va      PA      Monroe Smithfield Twp
1910 Census
Ferguson        Lizzie           72  Female  Pa      PA      Monroe Delaware Water Gap
1920 Census
Fergerson       Jerome           20  Male    Ny      PA      Monroe Coolbaugh