Hickory Rifles, Co E, 154th (Senior) Tennessee Infantry Regiment [aka 1st Tennessee Volunteer Regiment)
Co I = McNairy Guards

Mostly assigned to Smith's Brigade, Cheatham's Division

First Commander: Colonel Preston Smith

Donelson, A.J. TN Inf. 154th Sr.Regt. Co.I 2nd Lt.
Donelson, D.S. TN Inf. 154th Sr.Regt. Co.E 1st Sgt.
Donelson, John S. TN Inf. 154th Sr.Regt. Co.E Capt.

Donelson, Samuel NS Forrest's Staff 1st Lt.,Cadet,ADC

John S. Donelson
154th Senior Reg't Tennessee Inf. (1 Tenn. Vols.)
Side Confederate
Company E
Soldier's Rank_In 2 Lieutenant
Soldier's Rank_Out Captain
Film Number M231 roll 12

Samuel Donelson
Forrest's Staff; General and Staff Officers, Corps, Division and Brigade Staffs, Non-com. Staffs and Bands, Enlisted Men, Staff Departments, C.S.A.
Side Confederate
Company
Soldier's Rank_In 1 Lt. & Cadet & A.D.C.
Film Number M818 roll 7

Staff Officers in Gray by Robert E.L. Krick shows:
Donelson, John, Capt (1832-1863), acting Aide-De-Camp to Preston Smith
Donelson, Samuel, Lt, Aide-De-Camp to Forrest, Davis; Assistan Adjutant and Inspector General to Polk

If you can find it at the library reference section, "A History of the Henry County Commands which Served in the Confederate States Army, Including Rosters of the Various Companies Enlisted in Henry County, Tenn.", by Edward Hansford Rennolds