The Alabama 36th Infantry Regiment was organized at Mount Vernon, Alabama, in May, 1862, with men from Mobile, Tuscaloosa, Greene, Fayette, Sumter, and Monroe counties. The unit was involved in constructing the defenses at Oven and Choctaw Bluffs, then was stationed at Mobile until April, 1863. Assigned to General Clayton's and later Holtzclaw's Brigade, it participated in difficult campaigns of the Army of Tennessee from Chickamauga to Nashville. Transferred to the Department of Alabama, Mississippi, and East Louisiana, it continued the fight at Spanish Fort. It was included in the surrender on May 4, 1865.At the Battle of Chickamauga it was reported that the regiment had 28 officers, 429 men, and 401 guns on September 19; and 20 officers, 338 men, and 316 guns on September 20. It sustained 147 casualties at Chattanooga, and mustered a force of 353 effectives in December, 1863, and about 300 in November, 1864. The unit lost 110 wounded and captured at Spanish Fort, Company A - Sumter - Charles S. Hennegan; promoted. John M. Quarles; resigned. James T. Meek.Company B - Greene - Nathan M. Carpenter.Company C - Greene - James A Wemyss; wounded at Atlanta; resigned. Lieut. W.N. Knight commanded.Company D - Tuskaloosaa and Fayette - John C. Adams; wounded at Mission Ridge; retired. John M. Walker; killed at Resaca. Lieut. Wm. M. Owen commanded.Company E - Mobile - John G. Cleveland; killed at Chickamauga. Washington Lott; wounded at Resaca.Company F - Monroe - John Deloach; resigned. D.W. Kelly; killed at Mission Ridge. Wm. S. Wiggins; wounded at Jonesboro.Company G - Monroe - Malcolm Patterson; resigned. John B. Jordan; captured at Atlanta. David T. McCants.Company H - Greene - James W.A. Wright; wounded and captured at Mission Ridge.Company I - State of Mississippi - Mathew Calvert; resigned. Welles Thompson.Company K - Tuskaloosaa - Andrew J. Derby; resigned. H.A. Farish; captured at Spanish Fort.