Lewis A. Jones, Private, Company I, 39th Regiment Alabama Infantry, enlisted May 10, 1862 at Clayton, Ala. by Capt. Clark for 3 years or the war, last recorded present at the Nov/Dec, 1863 muster

Note, this is the last muster roll for Company I in the records

39th Infantry Regiment was formed in May, 1862, at Opelika, Alabama. Its members were drawn from Pike, Barbour, Henry, Walker, and Russell counties. On April 26, 1865, less than 90 officers and men surrendered
Company I - many men from Barbour County

………….

Lewis A. Jones, Private, Company E, 51st Alabama Cavalry, received pay for the period July 1, to December 31, 1863 on February 14, 1864, $145.60 at camp near Sevierville, Tenn., no other records

Note, there are no muster rolls in the records for Company E, which precludes knowledge of his service history

51st Regiment Partisan Rangers was organized at Oxford, Alabama, in August, 1862. Its members were from the counties of Calhoun, Pike, Talladega, Dallas, Saint Clair, Tuscaloosa, Perry, Mobile, and Montgomery. It surrendered with the Army of Tennessee
Company E - many men from St. Clair County

For a history of the regiment, see:

http://ehistory.osu.edu/exhibitions/Regimental/alabama/confederate/morgan#51st-Cav