Here's two possibilities:

Thomas Murray
Regiment Name 1st Bn., 1st Va. Inf.
Side Confederate
Company K
Soldier's Rank_In 2nd Lt.
Soldier's Rank_Out 2nd Lt.
Alternate Name Thomas J./Murray
Notes
Film Number M382 roll 40

Thomas J. Murray
Regiment Name 1st Batt'n. Virginia Infantry (1 Batt'n. Virginia Regulars, Irish Battalion)
Side Confederate
Company E
Soldier's Rank_In 2nd Lieutenant
Soldier's Rank_Out 2nd Lieutenant
Film Number M382 roll 40

1st Battalion, Virginia Infantry (Regulars) (Irish Battalion)
1st Infantry Battalion Regulars was organized in May, 1861, with men from the city of Richmond and Hanover County. The unit contained five companies and was known as the Irish Battalion. It moved to western Virginia and participated in Lee's Cheat Mountain Campaign, then fought at First Kernstown, McDowell, and in Jackson's Valley Campaign. The unit was then assigned to General J.R. Jones' Brigade and was involved in many conflicts of the Army of Northern Virginia from the Seven Day's Battles to Fredericksburg. Later it was assigned to General Headquarters and in November, 1864, Provost Guard. It lost twenty-five percent of the 187 engaged at First Manassas, had 3 wounded during the Seven Days' Battles and 3 killed and 19 wounded at Second Manassas. The unit surrendered 18 officers and 120 men. Majors D.B. Bridgford, John D. Munford, and John Seddon were in command.

Two other MURRAY men in the unit:
Murray, John
Co A Private Private

Murray, Richard
Co C Corporal Private

Don't know what relationship, if any.

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Thomas W. McClung
Regiment Name 1st Virginia Cavalry
Side Confederate
Company E
Soldier's Rank_In 1st Lieutenant
Soldier's Rank_Out Captain
Film Number M382 roll 36

1st Regiment, Virginia Cavalry
1st Cavalry Regiment completed its organization at Winchester, Virginia, in July, 1861. Unlike most regiments, the 1st contained twelve companies. The men were from the counties of Frederick, Berkeley, Rockbridge, Clarke, Washington, Augusta, Jefferson, Amelia, Loudoun, Rockingham, and Gloucester. After taking part in the Battle of First Manassas, the unit was brigaded under Generals J.E.B. Stuart, F. Lee, Wickham, and Munford. It participated in more than 200 engagements of various types including the Seven Days' Battles and Stuart's ride around McClellan. The regiment was active in the conflicts at Gainesville, Second Manassas, Sharpsburg, Fredericksburg, Kelly's Ford, Chancellorsville, Brandy Station, Gettysburg, Bristoe Station, The Wilderness, Todd's Tavern, Spotsylvania, Bethesda Church, and Cold Harbor. Later it was involved in Early's operations in the Shenandoah Valley, the defense of Petersburg, and the Appomattox Campaign. In April, 1862, it totalled 437 men, lost eight percent of the 310 engaged at Gettysburg, and had 318 fit for duty in September, 1864. The cavalry cut through the Federal lines at Appomattox and later disbanded. Only 1 man from this unit were present at the surrender. The field officers were Colonels R. Welby Carter, James H. Drake, William E. Jones, Fitzhugh Lee, William A. Morgan, and James E.B. Stuart; Lieutenant Colonels L. Tiernan Brien and Charles R. Irving; and Major Robert Swan.

Six other McCLUNG men in the unit:
McClung, Charles W.
Co E Private Private

McClung, Frank
Co E Private Private

McClung, J.F.
Co E Private Private

McClung, J.W.
Co E Sergeant Private

McClung, James C.
Co E Sergeant Private

McClung, James McD.
Co C Corporal Private

Those in Co E are probably related to one another.