From http://www.rootsweb.com/~ilrockis/cemetery/confed.htm :
CHANEY, JNO. W. PVT A 22 VA CAV 7/29/64 Grave# 1353
Name: John W Chaney ,
Enlistment Date: 16 August 1862
State Served: Virginia
Service Record:
Enlisted as a Private on 16 August 1862
Enlisted in Company C, 25th Cavalry Regiment Virginia on 16 August 1862.
Here's a link to a site with a history of this unit:
http://www.bluegrayhistoricalgroup.org/22ndvacavrethis.html
Jim Martin