Welcome to the forum from Hampton Roads, Virginia, and congratulations on finding your Civil War ancestor.
Meanwhile, the NPS Civil War Soldiers and Sailors System [
http://www.nps.gov/civilwar/search-soldiers.htm ] likewise lists PVT Joseph B Aylor as being in Co F, 2nd TN Inf. Here's what the site has on the 2nd Tennessee Infantry:
2nd Regiment, Tennessee Infantry (Robison's) (Walker Legion)
Overview:2nd Infantry Regiment Provisional Army was organized in May, 1861, at Nashville, Tennessee, and mustered into Confederate service at Lynchburg, Virginia. Its members were recruited in the counties of Rutherford, Maury, Davidson, Bedford, Trousdale, Shelby, and Sumner. The unit was assigned to J.G. Walker's and French's Brigade, fought at
Aquia Creek and
First Manassas, then in February, 1862, returned to Tennessee. Later it was attached to Cleburne's, L.E. Polk's, Tyler's, and Palmer's Brigade. After fighting at
Shiloh, Richmond, and
Perryville, the regiment participated in the campaigns of the Army of Tennessee from
Murfreesboro to
Atlanta, then was involved in Hood's Tennessee operations and the Battle of
Bentonville. It lost thirty-seven percent of the 300 at Richmond, had 4 killed and 59 wounded at Murfreesboro, and of the 264 engaged at
Chickamauga, more than sixty percent were disabled. The unit totalled 262 men and 146 arms in December, 1863, had 133 in action at
Ringgold Gap, but could muster only 65 after the Battle of
Nashville. Few surrendered on April 26, 1865. The field officers were Colonels William B. Bate and William D. Robison; Lieutenant Colonels John A. Butler, David L. Goodall, and William J. Hale; and Majors William R. Doak and William T. Driver.
Soldiers:
View Regiment's Soldiers »
Sounds like your ancestor saw some hard fighting and service, especially as a POW at Camp Douglas. If you have any additional questions regarding your ancestor in the Civil War, don't hesitate to ask.