Marvin E. Avery, 6th., Michigan Cavalry.

There is not a lot of information here but what little I do have may be a help to you.
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Marvin E. Avery, enlisted in the sixth Michigan Cavalry on September 9, 1862, from Bingham.  He was 21 years of age.  His company was E., and was fifth Sergeand later to be promoted to Quatermaster Sergeant.  The Michigan state records state that he was mustered out October 11, 1862.  The records also state that he was killed at the battle of Trevillian Station, June 12, 1864.  In the regimental history it states that he was struck in the head by a shell at the battle of Trevillian Station, and killed on June 12, 1864.