Statistics for occurrence #1 of “Orr” in chapter 3, section c.3.47 of Southern Historical Society Papers, Volume 12.:
...Carolina, Lieutenant-Colonel A. P. Butler.
Twelfth South Carolina, Captain R. M. Kerr.
Thirteenth South Carolina, Captain D. R. Duncan.
Fourteenth South Carolina, Lieutenant-Colonel Edward Croft.
Orr 's Rifles, Major J. T. Robertson.
...