1900 Census
Ferguson        John B           46  Male    Wv      TN      Grundy 11-Dist
1910 Census
Ferguson        John B           53  Male    Wv      TN      Grundy 4-Dist
Ferguson        John J           32  Male    Tn      TN      Grundy 4-Dist
1920 Census
Ferguson        Walter           28  Male    Tn      TN      Grundy 1-Dist