1860 Census
Ferguson     Larenslow       10  Male    Ny     CA      Placer 3-Twp
Ferguson     Ephraim K       34  Male    Ny     CA      Placer Goods P O
Ferguson     W P             20  Male    Al     CA      Placer Illinois P O
Fergason     John            15  Male    La     CA      Placer Iowa Hill P O
Furguson     John            32  Male    Scot   CA      Placer Michigan Bluffs P O
Furguson     S H             68  Male    Va     CA      Placer Michigan Bluffs P O
Furguson     Smith           30  Male    Tn     CA      Placer Monona Flat
1870 Census
Ferguson     Duncan          39  Male    Scot   CA      Placer Bath P O
Farguharson  John            42  Male    Scot   CA      Placer Bath P O
Ferguson     William F       53  Male    Oh     CA      Placer Bath P O
Ferguson     Adam            39  Male    La     CA      Placer Dutch Flat P O
Ferguson     Mary            ??  Female  CA     CA      Placer Dutch Flat P O
Ferguson     John D          47  Male    Ny     CA      Placer Lincoln P O
1900 Census
Ferguson        Fannie           45  Female  Nh      CA      Placer 1-Twp
Ferguson        Robert           61  Male    Cana    CA      Placer 1-Twp
Ferguson        Joshua           54  Male    Il      CA      Placer 3-Twp
Ferguson        A Aaron          69  Male    La      CA      Placer 4-Twp
Furgueson       Duncan           24  Male    Ca      CA      Placer 7-Twp
Furgueson       John A           37  Male    Ca      CA      Placer 7-Twp
Ferguson        ???              70  Male    ??      CA      Placer 8-Twp
Ferguson        John A           29  Male    Ca      CA      Placer 9-Twp
Ferguson        Robert           63  Male    Cana    CA      Placer 9-Twp
1910 Census
Ferguson        America          68  Female  Mo      CA      Placer 13-Twp
Ferguson        John A           38  Male    Ca      CA      Placer 1-Twp
Ferguson        Charles J        26  Male    Ca      CA      Placer 3-Twp
Ferguson        Oscar            23  Male    Ks      CA      Placer 3-Twp
Ferguson        Mary E           62  Female  Ny      CA      Placer 4-Twp
Ferguson        Duncan C         34  Male    Ca      CA      Placer 5-Twp
Ferguson        John A           45  Male    Ca      CA      Placer 5-Twp
Furguson        Duncan J         21  Male    Ca      CA      Placer 8-Twp
1920 Census
Ferguson        John A           56  Male    Ca      CA      Placer 5-Twp
Ferguson        John A           48  Male    Ca      CA      Placer 9-Twp
Ferguson        Raymon B         29  Male    Ca      CA      Placer 9-Twp
Ferguson        William S        42  Male    Ca      CA      Placer Allens Pct
Ferguson        Ethel L          35  Female  Ca      CA      Placer Auburn; 3-Twp
Furguson        Jessie           80  Female  Scot    CA      Placer Auburn; 3-Twp
Ferguson        Americo V        78  Female  Mo      CA      Placer Colfax; 13-Twp
Ferguson        James            35  Male    Scot    CA      Placer Dry Creek
Ferguson        C J              35  Male    Ks      CA      Placer Junction

CALIFORNIA -- 1860 Census -- Placer
FERGUSON         Ephraim K.Placer            699
FERGUSON         John      Placer            859
FERGUSON         LarenstonePlacer            595
FURGASON         John      Placer            839
FURGUSON         Smith     Placer            875