1820 Census
Ferguson            Clemens                  OH    Preble; New Paris
Ferguson            Jno                      OH    Preble; Twin
1830 Census
Furguson            Clemence                 OH    Preble; Jefferson
Furguson            James D                  OH    Preble; Jefferson
Furgason            John                     OH    Preble; Twin
1840 Census
Ferguson            Sarah                    OH    Preble; no twp listed
1870 Census
Ferguson     James S         36  Male    Oh     OH      Preble Somers Twp
1900 Census
Ferguson        James A          65  Male    Oh      OH      Preble Somers Twp
1910 Census
Ferguson        James S          75  Male    Oh      OH      Preble Somers Twp