H. A. Moore, Private, Company F, 15th Regiment Mississippi Vols., enlisted May 8, 1862 at Corinth for two years, died at Water Valley, Miss., August 14, 1862, never paid

Note: The next Company F muster roll for Company F is that for the period September/October, 1862. As he is not listed, that would indicate that he had been dropped from the rolls previously which would confirm he died as recorded in August, having never been paid.

Compiled Service Records of Confederate Soldiers Who Served in Organizations from the State of Mississippi

Henry A. Moore - died of a malignant fever, contracted during the first Vicksburg Campaign, 1862.
http://www.geocities.ws/Pentagon/Quarters/1864/water_valley_rifles.htm

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Administrator’s Notice — Whereas, letters of administration on the estate of Henry A. Moore, deceased, were granted to the undersigned by the Probate court of Yallabusha county, State of Mississippi at the September term, 1862, thereof, this notice therefore hereby given requesting all persons having claims against the estate of said deceased to exhibit the same and have the registered by law, or they will be forever barred. L. W. Moore, Administrator

Memphis Daily Appeal., October 06, 1862, 1:1

https://commons.wikimedia.org/wiki/File:Private_Henry_Augustus_Moore,_1861.png