1840 Census
Ferguson            Henry                    SC    Union; no twp listed
Ferguson            Miles                    SC    Union; no twp listed
1850 Census
Ferguson        James           19  SC      SC      Union; no twp listed
Ferguson        Jane            15  SC      SC      Union; no twp listed
Ferguson        Louisa          7   SC      SC      Union; no twp listed
Ferguson        Louisa          16  SC      SC      Union; no twp listed
Ferguson        Mary            15  SC      SC      Union; no twp listed
Ferguson        Mary            18  SC      SC      Union; no twp listed
Ferguson        Massy           48  SC      SC      Union; no twp listed
Ferguson        Miles           47  SC      SC      Union; no twp listed
Ferguson        Richard         13  SC      SC      Union; no twp listed
Ferguson        Wald z          21  SC      SC      Union; no twp listed
1860 Census
Fergerson    Martha          40  Female  Sc     SC      Union Cross Keys P O
1870 Census
Ferguson     Martha          48  Female  Sc     SC      Union Cross Keys Twp
1900 Census
Furguson        Mary             63  Female  Sc      SC      Union Jonesville Twp
1920 Census
Ferguson        Barney           67  Male    Sc      SC      Union 4-Wd; Union

Union Co, SC 1860 Census                        
FERGERSON       Martha  Union   261
FERGERSON       Weldin  Union   255
FERGERSON       Weldin  Union   255

SOUTH CAROLINA CENSUS, Union County--1870 Census                                                        
FERGUSON, Francis       15      F       M       SC      Cross-Keys Twp  1510    361
FERGUSON, Liza  38      F       B       SC      Bogansville Twp 1510    336
FERGUSON, Martha        48      F       W       SC      Cross-Keys Twp  1510    361