1820 Census
Ferguson            Benjamin                 IN    Clark; Charlestown
Ferguson            Elizabeth                IN    Clark; Charlestown
Firguson            William                  IN    Clark; Wood

    1830 Census
Fergusson           Benjamin                 IN    Clark; NE of the State Road

1850 Census
Ferguson     John T          8   KY      IN      Clark; Bethlehem
Ferguson     Mary J          13  KY      IN      Clark; Bethlehem
Ferguson     Sarah           6   KY      IN      Clark; Bethlehem
Ferguson     Sarah           33  KY      IN      Clark; Bethlehem
Ferguson     Zarilda         4   IN      IN      Clark; Bethlehem
Ferguson     Aaron           8   IN      IN      Clark; Charlestown
Ferguson     Ada             10  IN      IN      Clark; Charlestown
Ferguson     Angeline        4   IN      IN      Clark; Charlestown
Ferguson     Arthur L        15  IN      IN      Clark; Charlestown
Ferguson     Benj J          19  IN      IN      Clark; Charlestown
Ferguson     Charlotte       13  MA      IN      Clark; Charlestown
Ferguson     Chas P          26  IN      IN      Clark; Charlestown
Ferguson     Ezekiel         1   IN      IN      Clark; Charlestown
Ferguson     Harrison S      6   IN      IN      Clark; Charlestown
Ferguson     Henry C         16  IN      IN      Clark; Charlestown
Ferguson     Jeannie D       2   IN      IN      Clark; Charlestown
Ferguson     John D          11  IN      IN      Clark; Charlestown
Ferguson     John D          28  IN      IN      Clark; Charlestown
Ferguson     Julia A         13  IN      IN      Clark; Charlestown
Ferguson     Margaret        37  TN      IN      Clark; Charlestown
Ferguson     Orra            24  IN      IN      Clark; Charlestown
Ferguson     Saml h          32  IN      IN      Clark; Charlestown
Ferguson     Samuel W        41  KY      IN      Clark; Charlestown
Ferguson     Sarah           49  IN      IN      Clark; Charlestown
Ferguson     Wm F            14  IN      IN      Clark; Charlestown
Ferguson     Ellen           17  TN      IN      Clark; Monroe
Ferguson     Henry           45  TN      IN      Clark; Monroe
Ferguson     Henry H         7   TN      IN      Clark; Monroe
Ferguson     James           13  TN      IN      Clark; Monroe
Ferguson     John            20  TN      IN      Clark; Monroe
Ferguson     Margaret        18  TN      IN      Clark; Monroe
Ferguson     Robert          17  TN      IN      Clark; Monroe
Ferguson     Thomas          11  TN      IN      Clark; Monroe
Ferguson     William         22  TN      IN      Clark; Monroe
1860 Census
Ferguson     Benjamin        28  Male    In     IN      Clark Charlestown Twp
Ferguson     C P             35  Male    In     IN      Clark Charlestown Twp
Ferguson     Jennie          12  Female  In     IN      Clark Charlestown Twp
Ferguson     John            25  Male    Ky     IN      Clark Charlestown Twp
Ferguson     William F       24  Male    In     IN      Clark Charlestown Twp
Ferguson     Henry           53  Male    Pa     IN      Clark Monroe Twp
Ferguson     Margaret        64  Female  Ky     IN      Clark Monroe Twp
Ferguson     Nathaniel       22  Male    In     IN      Clark Union Twp
Ferguson     William         18  Male    In     IN      Clark Union Twp
Furgeson     Ben             25  Male    Ky     IN      Clark Utica
Ferguson     Samuel          65  Male    Va     IN      Clark Utica
1870 Census
Ferguson     Adolie          30  Female  In     IN      Clark Charlestown
Ferguson     Anna            32  Female  Ky     IN      Clark Charlestown
Ferguson     C P             45  Male    In     IN      Clark Charlestown
Ferguson     John            25  Male    Irel   IN      Clark Charlestown
Ferguson     Adaline         19  Female  In     IN      Clark Jeffersonville Twp
Ferguson     Benjamin        38  Male    In     IN      Clark Jeffersonville Twp
Ferguson     George          23  Male    In     IN      Clark Jeffersonville Twp
Ferguson     Henry           27  Male    In     IN      Clark Jeffersonville Twp
Ferguson     John K          35  Male    In     IN      Clark Jeffersonville Twp
Ferguson     Margt           20  Female  In     IN      Clark Jeffersonville Twp
Ferguson     William         46  Male    Mo     IN      Clark Jeffersonville Twp
Ferguson     Andrew          71  Male    Tn     IN      Clark Monroe Twp
Ferguson     Henry H         25  Male    In     IN      Clark Monroe Twp
Ferguson     James R         32  Male    Pa     IN      Clark Monroe Twp
Furguson     Margaret        71  Female  Ky     IN      Clark Monroe Twp
Ferguson     Sisly           27  Female  In     IN      Clark Monroe Twp
Furguson     W G             22  Male    In     IN      Clark Oregon Twp
Furguson     William         2   Male    In     IN      Clark Union Twp
Furgerson    Benjamin        36  Male    Ky     IN      Clark Utica Twp
Ferguson     John H          36  Male    Ky     IN      Clark Utica Twp
Ferguson     John T          30  Male    Ky     IN      Clark Washington Twp
Ferguson     Sarilda         23  Female  In     IN      Clark Washington Twp
1900 Census
Ferguson        Alonzo           42  Male    In      IN      Clark 2-Wd Jeffersonville
Ferguson        Charles C        47  Male    In      IN      Clark 2-Wd Jeffersonville
Ferguson        Paul H           25  Male    In      IN      Clark 3-Wd Jeffersonville
Farguson        Benjamin J       69  Male    In      IN      Clark 4-Wd Jeffersonville
Forguson        Charles P        76  Male    In      IN      Clark 4-Wd Jeffersonville
Forguson        James R          20  Male    In      IN      Clark 4-Wd Jeffersonville
Ferguson        William C        39  Male    Wi      IN      Clark 5-Wd Jeffersonville
Ferguson        Frank A          27  Male    Ky      IN      Clark Charlestown Twp
Furgison        James W          52  Male    Pa      IN      Clark Clarksville Twp
Ferguson        James            63  Male    In      IN      Clark Monroe Twp
Fergerson       Lillie B         46  Female  In      IN      Clark Monroe Twp
Ferguson        Andrew           56  Male    In      IN      Clark Oregon Twp
Furgeson        Jess             26  Male    Scot    IN      Clark Utica Twp
1910 Census
Ferguson        Harry            26  Male    In      IN      Clark 2-Wd Jeffersonville
Ferguson        Charles          58  Male    In      IN      Clark 3-Wd Jeffersonville
Ferguson        Samath           76  Female  In      IN      Clark 4-Wd Jeffersonville
Furgeson        Chester          25  Male    In      IN      Clark 4-Wd Jeffersonville
Ferguson        William          49  Male    In      IN      Clark 5-Wd Jeffersonville
Ferguson        Charles          25  Male    In      IN      Clark Jeffersonville Twp
Ferguson        George L         34  Female  Ky      IN      Clark Jeffersonville Twp
Ferguson        H I              26  Male    In      IN      Clark Jeffersonville Twp
Ferguson        James            60  Male    Ky      IN      Clark Jeffersonville Twp
Ferguson        John             25  Male    In      IN      Clark Jeffersonville Twp
Furgison        Andrew           79  Male    In      IN      Clark Jeffersonville Twp
Ferguson        Helen            24  Female  In      IN      Clark Monroe Twp
Ferguson        James R          72  Male    Pa      IN      Clark Monroe Twp
Ferguson        Andrew           66  Male    In      IN      Clark Oregon Twp
Ferguson        John R           40  Male    In      IN      Clark Oregon Twp
Ferguson        Jesse            35  Male    In      IN      Clark Utica Twp
1920 Census
Ferguson        Harry            35  Male    In      IN      Clark 2-Wd; Jeffersonville
Ferguson        Charles S        56  Male    In      IN      Clark 3-Wd; Jeffersonville
Ferguson        Andrew           42  Male    Ky      IN      Clark 4-Wd; Jeffersonville
Fergerson       Ruth             19  Female  In      IN      Clark 5-Wd; Jeffersonville
Ferguson        Hirskel          27  Male    In      IN      Clark 5-Wd; Jeffersonville
Ferguson        Benjamin         80  Male    In      IN      Clark 6-Wd; Jeffersonville
Ferguson        George L         44  Male    Ky      IN      Clark Clarksville; Jeffersonville Tw
Ferguson        James            71  Male    Ky      IN      Clark Clarksville; Jeffersonville Tw
Ferguson        Thomas B         27  Male    In      IN      Clark Clarksville; Jeffersonville Tw
Furgeson        Samantha         86  Female  In      IN      Clark Jeffersonville Twp
Ferguson        James Sr         83  Male    Pa      IN      Clark Monroe Twp
Furguson        George           38  Male    In      IN      Clark Oregon Twp
Furgerson       Charles E        15  Male    Ky      IN      Clark Utica

The 1830 Census was copied from two sources; Accelerated Indexing Systems International, Inc and the INDIANA Historical Society.  Many spellings of the FERGUSON surname and different numbers, one may be the page number of  the census and one may be the household number.  As this is an index, the original census should be consulted.

IN 1830-Clarke Co
FURGASON            BENJAMIN                    CLAR              10
FERGUSON            BENJAMIN                    CLAR              18

IN - 1840 Census - Clarke
Information from the IN Historical Society
FERGASON            Sarah          Clar                575
FERGUSON            Andrew         Clar                531
FERGUSON            Elizabeth      Clar                459
FERGUSON            Juliann        Clar                609

IN 1850 CENSUS - CLARK
SOURCE:ACCELERATED INDEXING SYSTEMS INTERNATIONAL, INC.
FERGUSON            JOHN D         CLAR          91
FERGUSON            SAMUEL R       CLAR         125
FERGUSON            SARAH          CLAR         105
FERGUSON            SARAH          CLAR          34