Here are the only two other T. Riddles listed in Tennessee units:

Tyre Riddle, age 25, enlisted as a 3rd Corporal in Company C, 23rd Battalion, Tennessee Infantry on October 20, 1862 at Thompson's Creek, Bedford County,Tennessee

Thomas G. Riddle, enlisted as Private on September 1, 1863 at Cottage Grove in Company K, 20th[15th] Tennessee Cavalry, killed in the Battle of Harrisburg, Mississippi, July 13-15, 1864