1820 Census
Ferguson            John                     IN    Orange; Southeast
Forguson            Thomas                   IN    Orange; Southeast
    1830 Census
Fergusson           Jacob                    IN    Orange; Fairfield
Furguson            Daniel                   IN    Orange
Ferguson            Thomas                   IN    Orange
Furgerson           Yomas                    IN    Orange
1850 Census
Furgerson    David A         7   IN      IN      Orange; Northeast
Furgerson    Harriet         20  IN      IN      Orange; Northeast
Furgerson    James C         16  IN      IN      Orange; Northeast
Furgerson    Jesse M         15  IN      IN      Orange; Northeast
Furgerson    John A          13  IN      IN      Orange; Northeast
Furgerson    Samuel H        9   IN      IN      Orange; Northeast
Furgerson    Sarah           40  KY      IN      Orange; Northeast
Furgerson    William         43  KY      IN      Orange; Northeast
Furgerson    William H       11  IN      IN      Orange; Northeast
Furgerson    Zacharz j       2   IN      IN      Orange; Northeast
Furgerson    Emily           26  IN      IN      Orange; Paoli
Furguson     Anny            51  VA      IN      Orange; Southeast
Furguson     Aseneth         5   IN      IN      Orange; Southeast
Furguson     Catherine       3   IN      IN      Orange; Southeast
Furguson     John W          25  IN      IN      Orange; Southeast
Furguson     Joseph S        26  IN      IN      Orange; Southeast
Furguson     Margaret        18  IN      IN      Orange; Southeast
Furguson     Martha A        23  IN      IN      Orange; Southeast
Furguson     Mary A          0   IN      IN      Orange; Southeast
Furguson     Mary J          34  IN      IN      Orange; Southeast
Furguson     Rice M          18  IN      IN      Orange; Southeast
Furguson     Simon S         16  IN      IN      Orange; Southeast
Furguson     Thomas          54  VA      IN      Orange; Southeast
Furguson     Thomas J        0   IN      IN      Orange; Southeast
1860 Census
Ferguson     James C         27  Male    In     IN      Orange Northeast Twp
Ferguson     Jesse M         25  Male    In     IN      Orange Northeast Twp
Ferguson     Samuel          18  Male    In     IN      Orange Northeast Twp
Ferguson     Sarah           50  Female  Ky     IN      Orange Northeast Twp
Ferguson     J W             34  Male    In     IN      Orange Southeast Twp
Ferguson     Joseph S        36  Male    In     IN      Orange Southeast Twp
Ferguson     Thomas          64  Male    Va     IN      Orange Southeast Twp
1870 Census
Ferguson     Harrison        22  Male    In     IN      Orange Jackson Twp
Ferguson     Jacob A         52  Male    In     IN      Orange Jackson Twp
Ferguson     William         22  Male    In     IN      Orange Jackson Twp
Ferguson     William         52  Male    In     IN      Orange Jackson Twp
Furguson     James C         37  Male    In     IN      Orange Northeast Twp
Furguson     Samul           28  Male    In     IN      Orange Northeast Twp
Ferguson     Sarah           60  Female  Ky     IN      Orange Northeast Twp
Ferguson     Joseph          46  Male    In     IN      Orange Southeast Twp
Farguson     Thomas          74  Male    Va     IN      Orange Southeast Twp
Ferguson     William         44  Male    In     IN      Orange Southeast Twp
1900 Census
Ferguson        William S        45  Male    In      IN      Orange Jackson Twp
Ferguson        John A Jr        40  Male    In      IN      Orange Northeast Twp
Ferguson        John A Sr        63  Male    In      IN      Orange Northeast Twp
Ferguson        Samuel H         58  Male    In      IN      Orange Northeast Twp
Ferguson        Taylor           53  Male    In      IN      Orange Northeast Twp
Ferguson        William H        30  Male    Ky      IN      Orange Northeast Twp
Fergerson       William          19  Male    In      IN      Orange Paoli Twp
Ferguson        Benjamin F       43  Male    In      IN      Orange Southeast Twp
Furguson        Claud C          33  Male    In      IN      Orange Southeast Twp
Furguson        Rice M           68  Male    In      IN      Orange Southeast Twp
1910 Census
Ferguson        William S        55  Male    Ia      IN      Orange French Lick Twp
Ferguson        Clinton S        47  Male    Oh      IN      Orange Greenfield Twp
Ferguson        Arthur N         16  Male    In      IN      Orange Northeast Twp
Ferguson        John A           49  Male    In      IN      Orange Northeast Twp
Ferguson        Samuel H         68  Male    In      IN      Orange Northeast Twp
Ferguson        Zacheriah T      62  Male    In      IN      Orange Northeast Twp
Ferguson        Effie A          13  Female  In      IN      Orange Orleans Twp
Ferguson        William H        39  Male    In      IN      Orange Orleans Twp
Ferguson        Claude C         43  Male    In      IN      Orange Southeast Twp
Ferguson        John E           12  Male    In      IN      Orange Stampers Crk Twp
Ferguson        Willie H         16  Male    In      IN      Orange Stampers Crk Twp
1920 Census
Ferguson        Rice M           87  Male    In      IN      Orange Greenfield Twp
Ferguson        Garret           23  Male    In      IN      Orange Jackson Twp
Ferguson        John             59  Male    In      IN      Orange Northeast Twp
Ferguson        Samuel           79  Male    In      IN      Orange Northeast Twp
Ferguson        William H        48  Male    In      IN      Orange Orleans Twp
Furgerson       Verne            20  Male    In      IN      Orange Paoli; Paoli Twp
Furguson        Claude C         53  Male    In      IN      Orange South East Twp
Fergison        William H        26  Male    In      IN      Orange Stampers Crk Twp
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-Orange Co
FURGUSON            THOMAS                      ORAN              41
FERGUSON            THOMAS                      ORAN              80

IN - 1840 Census - Orange Co
Information from the IN Historical Society
FURGASON            Jesse          Oran                 42
FERGISON            Thos           Oran                 71
FERGISON            Wm             Oran                 42

IN 1850 CENSUS - ORANGE
SOURCE:ACCELERATED INDEXING SYSTEMS INTERNATIONAL, INC.
FORGUSON            JOHN           ORAN          10
FURGERSON           EMILY          ORAN         460
FURGERSON           WILLIAM        ORAN         412
FURGSON             THOMAS         ORAN         386
FURGUSON            JOHN W         ORAN         386
FURGUSON            JOSEPH         ORAN         386
FURGUSON            MARY           ORAN         383