1850 Census
Furgeson     David           20  OH      IN      StJoseph; Olive
Furgeson     Geo             62  PA      IN      StJoseph; Olive
Furgeson     Johnathan       22  OH      IN      StJoseph; Olive
Furgeson     William         26  OH      IN      StJoseph; Olive
Furgason     Elephalet       37  NY      IN      StJoseph; Portage
Furgason     Fanny           0   IN      IN      StJoseph; Portage
Furgason     Louisa          3   IN      IN      StJoseph; Portage
Furgason     Mary E          29  NY      IN      StJoseph; Portage
1860 Census
Furgerson    Silas           18  Male    In     IN      St Joseph Olive Twp
Furgeson     Eliphlet        47  Male    Ny     IN      St Joseph South Bend
1900 Census
Furgeson        William          39  Male    Cana    IN      St Joseph 1-Wd Mishawaka
Ferguson        Robert W         56  Male    In      IN      St Joseph 1-Wd South Bend
Ferguson        Milton           24  Male    Mi      IN      St Joseph Liberty Twp
1910 Census
Ferguson        Vera M           16  Female  Mi      IN      St Joseph 1-Wd South Bend
Fergerson       Socratis         28  Male    Il      IN      St Joseph 5-Wd South Bend
Ferguson        Jay              19  Male    In      IN      St Joseph 5-Wd South Bend
Ferguson        Martin H         27  Male    Ia      IN      St Joseph Madison Twp
1920 Census
Ferguson        Mary F           66  Female  Oh      IN      St Joseph 1-Wd; South Bend; Portage Twp
Ferguson        John             40  Male    Scot    IN      St Joseph 3-Wd; South Bend; Portage Twp
Fergusson       Alice L          23  Female  In      IN      St Joseph 3-Wd; Walkerton; Lincoln Twp
Fergueson       Elzie            24  Male    Mi      IN      St Joseph 4-Wd; South Bend; Portage Twp
Ferguson        Jay A            28  Male    Mi      IN      St Joseph 4-Wd; South Bend; Portage Twp
Ferguson        William A        42  Male    Engl    IN      St Joseph 5-Wd; Mishawaka; Penn Twp
Furgerson       Emmet            18  Male    Tn      IN      St Joseph 5-Wd; South Bend; Portage Twp
Ferguson        Jesse            51  Male    Mi      IN      St Joseph 7-Wd; South Bend; Portage Twp

IN - 1840 Census - St. Joseph Co
Information from the IN Historical Society
FERGUSON            George         StJo                 10
FERGISON            James          StJo                 32

IN 1850 CENSUS - ST JOSEPH
SOURCE:ACCELERATED INDEXING SYSTEMS INTERNATIONAL, INC.
FURGESON            GEORGE         ST J          27
FURGUSON            MARY E         ST J          12