1850 Census
Furgurson        Jas          21    NY     CA  Yuba; Bowling Green
Furgerson        R E          45  Scot.    CA  Yuba; Deer Park
Furgerson        Geo W        22    PA     CA  Yuba; Grass Valley
Furgison         C            29    TN     CA  Yuba; Nevada City
Fergurson        Geo          28    KY     CA  Yuba; Nevada City
Furgerson        J S          31    MD     CA  Yuba; Nevada City
Furguson         W T          35    OH     CA  Yuba; Nevada City
Fergurson        John J       41    NY     CA  Yuba; Newtown
Ferguson         C D          26    NY     CA  Yuba; no twp listed
Ferguson         John         31   Ire.    CA  Yuba; no twp listed
Ferguson         Willian      24    NY     CA  Yuba; no twp listed
1860 Census
Farguharson  David           32  Male    Scot   CA      Yuba Bear Rvr Twp
Furgason     Thomas          32  Male    Pa     CA      Yuba Marysville Twp
Ferguson     Wm              32  Male    Ny     CA      Yuba Rose Bar Twp
Ferguson     J H             43  Male    Irel   CA      Yuba Strawberry Valley P O
1870 Census
Ferguson     J               42  Male    Ny     CA      Yuba Marysville
Ferguson     P               41  Male    Pa     CA      Yuba Marysville
1900 Census
Furguson        Archi B          62  Male    Irel    CA      Yuba 3-Wd Marysville
Furguson        J F              56  Male    Oh      CA      Yuba E Bear Rvr Twp
Ferguson        Anthony D        43  Male    Ky      CA      Yuba Linda Twp
1910 Census
Fergoson        Archbald         70  Male    In      CA      Yuba 2-Wd Marysville
Ferguson        Charles          48  Male    Engl    CA      Yuba 3-Wd Marysville
Ferguson        David            65  Male    Oh      CA      Yuba 3-Wd Marysville
Furgison        Robert A         34  Male    Oh      CA      Yuba Linda Twp
1920 Census
Ferguson        Elmo A           24  Male    Ca      CA      Yuba 1-Wd Marysville
Fergerson       George L         38  Male    Co      CA      Yuba 3-Wd Marysville