Ken,

Here are two names that match your man.

James A. Holcombe (First_Last)
Regiment Name 1 (Yager's) Texas Cav.
Side Confederate
Company K
Soldier's Rank_In Private
Soldier's Rank_Out Private
Alternate Name
Notes
Film Number M227 roll 17

J.A. Holcombe (First_Last)
Regiment Name 1 (McCulloch's) Texas Cav.
Side Confederate
Company F
Soldier's Rank_In Private
Soldier's Rank_Out Private
Alternate Name
Notes
Film Number M227 roll 17

I hope this helps,
Gary D. Bray