Mustered into service as a Private February, 1862
Died 18 February 1865
Private Marshall was wounded at the Battle of Antietam on September 17th, 1862 and again on May 6th, 1864 at the Battle of the Wilderness in Virginia. While on picket duty on August 9th 1864 he was captured and died as a POW in Salisbury North Carolina on February 18th, 1865.
Henry is probably buried at the Salisbury National Cemetery as a "Unknown" soldier.