1900 Census
Ferguson        John M           37  Male    TX      TX      Callahan; 3-Pct
Ferguson        W B              42  Male    TN      TX      Callahan; 5 J-Pct
1910 Census
Ferguson        John M           46  Male    TX      TX      Callahan; 3 J-Pct
Ferguson        Inez             12  Female  TX      TX      Callahan; 4 J-Pct
Ferguson        John F           21  Male    TX      TX      Callahan; 5 J-Pct
Ferguson        William B        51  Male    TN      TX      Callahan; 5 J-Pct
Ferguson        Robert J         32  Male    TX      TX      Callahan; 8 J-Pct
1920 Census
Furguson        J M              56  Male    Tx      TX      Callahan 3 J-Pct
Ferguson        James O          42  Male    TX      TX      Callahan; 5 J-Pct
Ferguson        John F           31  Male    TX      TX      Callahan; 5 J-Pct
Ferguson        William B        62  Male    TN      TX      Callahan; 5 J-Pct
Ferguson        John F           22  Male    TX      TX      Callahan; 6 J-Pct
Ferguson        Albert E         19  Male    TX      TX      Callahan; Baird
1930 Census
Ferguson        John F           42  Male    TX      TX      Callahan; 5 J-Pct (South Part)
Ferguson        William B        71  Male    TN      TX      Callahan; 5 J-Pct (South Part)
Ferguson        William H        29  Male    TX      TX      Callahan; 5 J-Pct (South Part)

TEXAS -- 1880 Census -- Callahan
FERGUSON       J.M.           Callahan            343ED 176