Could my Edward B. Mobley be your Ben Mobley. I do know that he was called Ben. He seemed to have vanished after the Civil War. His family was living in Butler/Crenshaw County AL at the time.
1 Thomas J. Mobley b. c. 1805 d. Mar 1863 m. Nancy Segrest b. c. 1805 2 Sarah Elizabeth Mobley b. c.1827 m. Joseph Abernathy 2 Mary A. Mobley b. 14-Aug-1827 d. 1-Jan-1905 m. 5-Nov-1857 Reuben Dobbs 2 William W. Mobley b. c.1829 2 Rachael D. Mobley b. c.1832 m. William Cain 2 Edward B. Mobley b. c.1846 m. 10-27-1864 Mary Margarette Brown 3 William Thomas Mobley b. 5-Jun-1866 d. 4-Jun-1937 m. 5-Jan-1899 Carrie E. Moore b. 1-Sep-1876 d. 28-Jun-1900 Carrie: married by T.T. Dodds at bride's residence