(1820 - 1878)
Home State: Maryland
Branch of Service: Staff
Unit: Archer's Brigade
He was commissioned 2nd Lieutenant, US Army 4 March 1847 for Mexican War service, and assigned to the Regiment of Voltigeurs and Foot Riflemen 9 April. He was honorably mustered out 31 August 1848. He was then a lumberman in Hartford County, MD. He enlisted as Private, Company K, 1st Virginia Cavalry in April 1861. He was appointed Captain, Provisional Army of the Confederate States (PACS) 23 September 1861, and was on recruiting duty. He was commissioned Lieutenant Colonel, 55th Virginia Infantry in October 1861 (to replace his brother James) and served as such into May 1862, but was not reelected on 1 June. He was volunteer aide-de-camp to General Pickett at Seven Pines, VA in June. He was appointed Captain and Assistant Adjutant General to his brother on 13 June 1862.
On the Campaign
From General Archer's Report:
[at Sharpsburg] Captain R. H. Archer, my assistant adjutant-general, though not yet recovered from a severe illness; Lieutenant Thomas, aide, and Lieutenant [George] Lemmon, ordnance officer, rendered brave and efficient assistance, and charged with the troops upon the enemy ... [at Shepherdstown] Captain Archer and Lieutenants Thomas and Lemmon, of my staff, rendered valuable and efficient assistance.
The rest of the War
He was captured on the Gettysburg Campaign at Greencastle, PA on 5 July 1863, and held at Johnson's Island, OH until exchanged in January 1865. He was again captured, in King George County, VA and was a prisoner at the Old Capitol Prison, Washington DC until paroled 5 May 1865 at Alexandria, VA.
05/20/1820; Churchville, MD
03/10/1878 Richmond, VA
1 Krick, Robert E.L., Staff Officers in Gray; A Biographical Register of the Staff Officers in the Army of Northern Virginia, Chapel Hill: University of North Carolina Press, 2003, pg. 63 [AotW citation 17584]
2 Heitman, Francis Bernard, Historical Register and Dictionary of the United States Army 1789-1903, 2 volumes, Washington DC: US Government Printing Office, 1903, Vol. 1, pg. 168 [AotW citation 17585]