1850 Census
Ferguson     Abigail Huldah  20  IN      IN      Ripley; Laughery
Ferguson     Eunice          16  IN      IN      Ripley; Laughery
Ferguson     Jesse           12  IN      IN      Ripley; Laughery
Ferguson     Jesse           54  PA      IN      Ripley; Laughery
Ferguson     Melinda         51  ME      IN      Ripley; Laughery
Ferguson     William         10  IN      IN      Ripley; Laughery
1860 Census
Furguson     Daniel          35  Male    In     IN      Ripley Johnson Twp
Ferguson     Alexander       65  Male    Scot   IN      Ripley Otter Crk Twp
1870 Census
Ferguson     Flora           20  Female  In     IN      Ripley Center Twp
Ferguson     Charles         53  Male    Pa     IN      Ripley Delaware Twp
Ferguison    Alex            75  Male    Scot   IN      Ripley Otter Crk Twp
1900 Census
Farguharson     Charles          63  Male    In      IN      Ripley 1-Wd Osgood
1910 Census
Fergerson       William          45  Male    In      IN      Ripley Shelby Twp
1920 Census
Ferguson        Margaret         84  Female  In      IN      Ripley Shelby Twp
Ferguson        William          54  Male    In      IN      Ripley Shelby Twp

IN - 1840 Census - Ripley Co
Information from the IN Historical Society
FORGUSON            Samuel         Ripl                142
FERGASON            Nathaniel      Ripl                254