J.M. Osborn enlisted May 13, 1862 in Savannah. He was in Company B then E of the 21st Battalion, Georgia Cavalry until, through consolidation of units, he was transferred to Co. F, 7th Regiment, Georgia Cavalry.
On the March/April roll Sgt. J.M. Osborn was detailed to get a horse. After this, he was present on all roll calls through October '64.
No further records.