J. A. Montgomery, Private, Captain R. S. Camp's Company, Gregg's Regiment Texas Volunteers,* enlisted September 27, 1861 at Gilmer, by Capt. R. S. Camp for 3 years or the war, died February 6, 1862 at Clarksville, Tennessee

* This company subsequently became Company B, 7th (Gregg's) Regiment Texas Infantry

M323: Compiled Service Records of Confederate Soldiers Who Served in Organizations from the State of Texas

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7th Regiment, Texas Infantry (Gregg's)

7th Infantry Regiment, organized at Waco, Texas, during the early summer of 1861, contained men recruited at Waco, Gilmer, Marshall, and Fairfield, and in Freestone County. Sent to Tennessee it became part of the garrison at Fort Donelson and was captured in February [15], 1862. Exchanged and assigned to J. Gregg's Brigade, Department of Mississippi and East Louisiana, it fought at Raymond and Jackson. Later the unit was attached to J. Gregg's, J.A. Smith's, and Granbury's Brigade, Army of Tennessee. It participated in the campaigns of the army from Chickamauga to Atlanta, moved with Hood into Tennessee, and was active in North Carolina. This regiment reported 20 killed and 39 wounded of the 305 at Fort Donelson, lost fifty-two percent of the 306 at Raymond, had 177 in action at Chickamauga, and totalled 170 men and 122 arms in December, 1863. Few surrendered on April 26, 1865. The field officers were Colonels Hiram B. Granbury, John Gregg, and William L. Moody; Lieutenant Colonel Jeremiah M. Clough, and Major Khleber M. Van Zandt.
http://www.civilwar.nps.gov/cwss/regiments.cfm