Residence was not listed;
Enlisted on 9/10/1864 at Orange County, VA as a Private.
On 9/10/1864 he mustered into "C" Co. VA 7th Infantry
(date and method of discharge not given)
He was listed as:
* POW 4/3/1865 Dinwiddie Court House, VA (Point Lookout, MD)
* Oath Allegiance 6/12/1865 (place not stated)

Sources used by Historical Data Systems, Inc.:
- The Virginia Regimental Histories Series

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William A. Dempsey, Private, Company C, 7th Regiment Virginia Infantry, enlisted September 10, 1864 at Orange by Lieut. Lewis for the war, captured at Dinwiddie C. H. April 3, 1865, forwarded to Point Lookout, Md. prison via City Point, Va. arriving April 13, released June 12, 1865 on subscribing to the Oath of Allegiance to the U. S., description: resident of Orange County, Va., florid complexion, iron grey hair, Lt. Blue eyes, 5' 10"

M324: Compiled Service Records of Confederate Soldiers Who Served in Organizations from the State of Virginia