You were right.
Last night I found:
Francis M. Buttram
Regiment Name 32 Ky. Inf.
Side Union
Company C
Soldier's Rank_In Pvt.
Soldier's Rank_Out Pvt.
Alternate Name Francis M./Butram
Notes Film Number M386 roll 4

I have Francis Marion's in other family lines. Thanks for letting me know where it came from.