He probably enlisted sometime in 1863 actually as family legend has him joining after his 18 birthday which was in April 1863. One record shows him being absent on "horse detail" in December 1863 even as all other records stated enlistment date of Jan 7, 1864.
He served one term in Virginia House of Delegates in 1912-1913 and was my Gr Gr Grandfather.
Richard Bibb