Note, his middle initial is 'S', not 'H', easily confused in cursive writing.
George Martin
George S. Hendrick enlisted as a Private in Company D 15th Virginia Infantry May 13, 1861 at Richmond, Va., appointed Corporal June 1, 1864, paroled at Richmond, Va April 17, 1865,
The 15th Regiment Virginia Infantry was organized May 17, 1861, with ten companies, A to K, and accepted into the service of the Confederate States July 1, 1861. It was reorganized April 25, 1862, with eight companies, Companies F and K having refused to reorganize, they were soon afterward disbanded by a special order of the Secretary of War.
The regiment too part in at least 83 engagements against the enemy from Lee's Mill, Va April 28, 1862 through Appomattox
15th Regiment, Virginia Infantry
15th Infantry Regiment was organized in May, 1861, with men from Richmond and Henrico and Hanover counties. The regiment was brigaded under McLaws, Semmes, and Corse, Army of Northern Virginia. It fought with the army from the Seven Days' Battles to Fredericksburg, then was involved in Longstreet's Suffolk Expedition. During the Gettysburg Campaign the 15th was on detached duty and after serving in Tennessee and North Carolina participated in the battles at Drewry's Bluff and Cold Harbor. Later it took its place in the Petersburg trenches north and south of the James River and ended the war at Appomattox. This unit contained 476 effectives in April, 1862, reported 1 killed and 8 wounded at Malvern Hill, and lost fifty-nine percent of the 128 engaged at Sharpsburg. Many were captured at Sayler's Creek, and on April 9, 1865, it surrendered with 69 officers and men. The field officers were Colonel Thomas P. August; Lieutenant Colonels James R. Crenshaw, Emmett M. Morrison, Thomas G. Peyton, and St. George Tucker; and Majors C.H. Clarke and John S. Walker.