4th Infantry Regiment completed its organization at Richmond, Virginia. Its members were recruited in the counties of Goliad, Travis, Robertson, Falls, Guadalupe, McLennan, Bexar, Grimes, Walker, Hill, Montgomery, Freestone, Navarro, Ellis, and Henderson. It became part of Hood's Texas Brigade and served under Generals Hood, J.B. Robertson, and J. Gregg. The 4th participated in the campaigns of the Army of Northern Virginia from Seven Pines to Cold Harbor except when it was with Longstreet at Suffolk, Chickamauga, and Knoxville. It continued the fight in the Petersburg trenches north and south of the James River and in various conflicts around Appomattox. The regiment had 470 effectives in April, 1862 and lost fifty-four percent of the 200 engaged at Sharpsburg and more than twenty-five percent of the 415 at Gettysburg. On April 9, 1865, it surrendered 15 officers and 145 men. The field officers were Colonels John P. Bane, John B. Hood, John C.G. Key, and John Marshall; Lieutenant Colonels Benjamin F. Carter, Bradfute Warwick, and Clinton M. Winkler; and Majors William H. Martin and W.P. Townsend.