Middle name "Berton" from a suggestion. No source provided; it could not be confirmed.
On January 7, 1865, Marshall mustered in as a Private, Co. K, 9th Vermont Infantry. He transferred to Company C in June, then was promoted to Corporal on August 24, 1865. He died from disease at Ferry Point, Norfolk, Virginia.
Vermont Record (Brandon, Vermont) November 24,1865.
In Hospital, at Ferry Point, Norfolk, Va., Nov. 13 of chronic diarrhea, Marshall B. Holton, a member of Co. C, 9th Vt. Vol Infantry, 19 years, 11 months, 26 days, son of J. S. and O.R. Holton of Dummerston. In the death of young Holton another name is added to the long list of noble martyrs to the cause of union and liberty. The father of the deceased has just returned from Norfolk, bearing home tenderly the precious remains of his son, whose death it is peculiarly hard to bear, being the first death in the family."
J.S. &C.K. Holton
Corp. Co. 9 Reg
VT Vol. Inft.
Died in Hospital
At Ferry Point
AE, 19 Yrs.11 Mos