U.S. Civil War Soldier Records and Profiles reveal that he was enlisted as a Private in Company I, South Carolina 17th Infantry Regiment. Samuel was one of 7 brothers who served in the Confederate Army during the Civil War. They were George T. (Thomas), John Frederick, H. Jackson, Manus, D.C, W. W., and R.D Wallace. Confederate Abstract obtained from the S.C. Dept. of Archives & History document Samuel's death on September 14, 1862 in the Battle of South Mountain, also known as the Battle of Boonsboro Gap in Boonsboro, Maryland. Have been unable to locate his gravesite as burial details often buried the dead in pits on the battlefield. The dead were later disinterred and reburied in National Cemeteries. The Washington Confederate Cemetery in Hagerstown, Maryland was purchased by the state in 1871 for the burial of Confederate dead. 2000 Confederate dead, from the Battle of Antietam and South Mountain were buried in Washington Confederate Cemetery. Only 346 were identified. Actual burial is unknown.
Provided by sunburstx1 added this on 13 Jun 2013 Further History of Samuel J. Wallace.

U.S. Civil War Soldier Records and Profiles reveal that he was enlisted as a Private in Company I, South Carolina 17th Infantry Regiment. Samuel was one of 7 brothers who served in the Confederate Army during the Civil War. They were George T. (Thomas), John Frederick, H. Jackson, Manus, D.C, W. W., and R.D Wallace. Confederate Abstract obtained from the S.C. Dept. of Archives & History document Samuel's death on September 14, 1862 in the Battle of South Mountain, also known as the Battle of Boonsboro Gap in Boonsboro, Maryland. Have been unable to locate his gravesite as burial details often buried the dead in pits on the battlefield. The dead were later disinterred and reburied in National Cemeteries. The Washington Confederate Cemetery in Hagerstown, Maryland was purchased by the state in 1871 for the burial of Confederate dead. 2000 Confederate dead, from the Battle of Antietam and South Mountain were buried in Washington Confederate Cemetery. Only 346 were identified. Actual burial is unknown.
Provided by sunburstx1 added this on 13 Jun 2013 Further History of Samuel J. Wallace.