1850 Census
Fergason        John            15  NY      PA      Potter; Allegany
Fergason        Maria           17  NY      PA      Potter; Allegany
1860 Census
Furgison     Martin V        22  Male    Ny     PA      Potter Bingham Twp
1870 Census
Furgison     H H             26  Male    Nj     PA      Potter Oswayo Twp
Furgison     Henry           59  Male    Ny     PA      Potter Oswayo Twp
Fergason     Ansel           44  Male    Ny     PA      Potter Sharon Twp
1900 Census
Ferguson        Clarence         36  Male    Pa      PA      Potter Allegany Twp
Ferguson        Elmar W          34  Male    Pa      PA      Potter Clara Twp
Fergeson        Samuel           40  Male    Ny      PA      Potter Clara Twp
Ferguson        Edward           48  Male    Nj      PA      Potter Oswayo Twp
Furgerson       John             39  Male    Pa      PA      Potter Stewardson twp
Fergerson       Mike             26  Male    Ny      PA      Potter Summit Twp
1910 Census
Ferguson        Sam S            49  Male    Ny      PA      Potter Clara Twp
Ferguson        A C              44  Male    Pa      PA      Potter Sharon Twp
1920 Census
Fergason        Kathryn          21  Female  Pa      PA      Potter 1-Wd Coudersport
Ferguson        Samuel S         59  Male    Ny      PA      Potter Allegany
Furgerson       Alwien C         59  Male    Pa      PA      Potter Sharon