1850 Census
Ferguson     Davis           0   IL      IL      Marshall; Henry
Ferguson     James           25  PA      IL      Marshall; Henry
Ferguson     Martha          24  OH      IL      Marshall; Henry
Ferguson     William         2   IL      IL      Marshall; Henry
1860 Census
Ferguson     C               36  Male    Oh     IL      Marshall Henry Twp
Ferguson     John G          32  Male    Engl   IL      Marshall Henry Twp
Ferguson     C               24  Female  Ny     IL      Marshall Lacon
Ferguson     H               32  Male    Oh     IL      Marshall Lacon
Ferguson     H               18  Male    Il     IL      Marshall Steuben
Ferguson     Jain            14  Female  Il     IL      Marshall Whitefield
Ferguson     Jane            15  Female  Il     IL      Marshall Whitefield
1870 Census
Ferguson     Cicero          49  Male    Oh     IL      Marshall Henry
Furguson     Clara           35  Female  Ny     IL      Marshall Henry
Ferguson     John            31  Male    Irel   IL      Marshall Wenona
1900 Census
Ferguson        Henry H          ??  Male    Nj      IL      Marshall Belle Plain Twp