1850 Census
Fergerson    Abigail M       32  NY      IL      Warren; no twp listed
Fergerson    Bethinia c      18  OH      IL      Warren; no twp listed
Fergerson    Charlotte A     7   IN      IL      Warren; no twp listed
Fergerson    Finley C        11  IN      IL      Warren; no twp listed
Fergerson    John M          1   IL      IL      Warren; no twp listed
Fergerson    John M          30  TN      IL      Warren; no twp listed
Fergerson    Lydia Ann       16  OH      IL      Warren; no twp listed
Fergerson    Martha          25  OH      IL      Warren; no twp listed
Fergerson    Mary C          21  OH      IL      Warren; no twp listed
Fergerson    Robert          8   TN      IL      Warren; no twp listed
Fergerson    Solomon C       2   IL      IL      Warren; no twp listed
Fergerson    William F       44  PA      IL      Warren; no twp listed
1870 Census
Ferguson     John            50  Male    Irel   IL      Warren Ellison
Ferguson     James           10  Male    Ny     IL      Warren Piont Pleasant Twp
Ferguson     William         36  Male    Pa     IL      Warren Spring Grove
1900 Census
Ferguson        Julia            20  Female  Pa      IL      Warren 1-Wd Monmouth
Furgeson        Will             43  Male    Pa      IL      Warren 2-Wd Monmouth
Ferguson        Mima             54  Female  Oh      IL      Warren 5-Wd Monmouth
Furgeson        Samuel           24  Male    In      IL      Warren 5-Wd Monmouth
1910 Census
Fargeson        Mina M           64  Female  Pa      IL      Warren 1-Wd Monmouth
Ferguson        William          52  Male    Pa      IL      Warren 2-Wd Monmouth
Ferguson        Homer            23  Male    Mo      IL      Warren Swan Twp
Ferguson        Joe              28  Male    Mo      IL      Warren Swan Twp
1920 Census
Ferguson        M M              73  Female  Pa      IL      Warren 1-Wd Monmouth
Ferguson        William          62  Male    Pa      IL      Warren 2-Wd Monmouth