I just found this data regarding Company H of the 19th SC Infantry:

CROWDER, John. A. (1834-1862)
Died,(of wounds received at) Battle of Murfreesboro. "Major Crowder...was conspicuous for [his] courage and coolness."—A. M. Manigault, A Carolinian Goes to War. Confederate Honor Roll for "conspicuous for courage and good conduct on the field of battle" at Murfreesboro. 31 December, 1862

WHITE, James L. (no source given for this entry)
Commanded Company H, 19th S. C. first under Col. Augustus J. Lythgoe, KIA, Murfreesboro, Tn., subsequently under Col. (J.F.) Pressley
Wounded at Battle of Atlanta

"Also that Capt. J. L. White, Senior Captain, 19th So. Ca. be promoted Major of 19th So. Ca.
vice (to replace) Major I. A. Crowder—died of wounds recieved at Battle of Murfreesboro on date February 14, 1863.
This officer has been examined & recommended by the board for promotion, a report of which has already been forwarded."- from a letter of recommendation dated 20 Jul 1863, A.M. Manigault