1840 Census
Forgason            Jas                      IL    Clark; no twp listed
Fargason            Robert                   IL    Clark; no twp listed
1850 Census
Ferguson     Celia           8   IL      IL      Clark; Livingston
Ferguson     James           10  IL      IL      Clark; Livingston
Ferguson     John            7   IL      IL      Clark; Livingston
Ferguson     Louisa          3   IL      IL      Clark; Livingston
Ferguson     May             34  VA      IL      Clark; Livingston
Ferguson     Robert          1   IL      IL      Clark; Livingston
Ferguson     Robert          44  IN      IL      Clark; Livingston
Ferguson     Samuel          5   IL      IL      Clark; Livingston
1860 Census
Furgerson    R A             53  Male    In     IL      Clark Cumberland
Ferguson     James           19  Male    Il     IL      Clark Marshall Twp
Ferguson     Henry           38  Male    Ky     IL      Clark Wabash Twp
Furgerson    Elisabeth       18  Female  Scot   IL      Clark York Twp
Furgerson    Thomas          29  Male    Scot   IL      Clark York Twp
1870 Census
Fergason     Edward          26  Male    Mi     IL      Clark Cumberland Twp
Fergason     Mary            54  Female  Va     IL      Clark Cumberland Twp
Ferguson     James           33  Male    Scot   IL      Clark Darwin Twp
Ferguson     John            40  Male    Scot   IL      Clark Darwin Twp
Fergason     Thomas          38  Male    Scot   IL      Clark York Twp
1900 Census
Ferguson        Harry            30  Male    Oh      IL      Clark Casey Twp
Ferguson        John W           60  Male    Il      IL      Clark Casey Twp
Farguson        Ulyssis S        35  Male    Il      IL      Clark Westfield
Ferguson        George           39  Male    Scot    IL      Clark York Twp
Ferguson        John             42  Male    Il      IL      Clark York Twp
Ferguson        Lyman            25  Male    Il      IL      Clark York Twp
1910 Census
Ferguson        Harry M          39  Male    Il      IL      Clark 1-Wd Casey
Ferguson        John W           69  Male    Oh      IL      Clark 2-Wd Casey
Ferguson        Jennie           56  Female  Oh      IL      Clark Martinsville Twp
Furgeson        James            56  Male    In      IL      Clark Wabash Twp
1920 Census
Fergerson       John             52  Male    Scot    IL      Clark York