I was cruising the web looking for info on Lt. and then Captain Franklin Watson Dillion. I found this info on Captain F.M Wolford.
http://www.unionregimentsofkentucky.com/thomasspeed/cavalry/1kycav.html
It states that Captain F.M. Wolford was killed during the Stoneman raid to Macon Ga. and the encirclement break out between July 27th and Aug. 4th 1864