| Marshall | G | | Captain | Frontier Wars. SAGS (1) 1879 | Natal Light Horse |
| Marshall | G | 10728 | Driver | Frontier Wars. SAGS (1) 1879. 2nd Company | Royal Engineers |
| Marshall | G | | Lieutenant | CGHGSM (2) Basutoland Bechuanaland
Source: Roll of the CGHGSM | Cape Mounted Yeomanry |
| Marshall | G | | | 1st Battalion
Source: QSA and KSA medal rolls | Northumberland Fusiliers |
| Marshall | G | 33449 | Trooper | Demise: Killed in action 30 Oct 1901
Place: Bakenlaagte
Source: In Memoriam by S Watt | Scottish Horse |
| Marshall | G | 4494 | Private | Missing - released at Ingogo. 20 Aug 1900.
Source: Natal Field Force Casualty Roll, page 2 line 17 | 5th (Princess Charlotte of Wales's) Dragoon Guards |
| Marshall | G | | | Source: WO100/281 | Grahamstown Volunteers |
| Marshall | G | | Major | Source: Nominal roll in WO127 | Marshall's Horse |
| Marshall | G | | | Source: WO100/280 | Cathcart DMT |
| Marshall | G E | | Lieutenant | Source: Nominal roll in WO127 | Nesbitt's Horse |
| Marshall | G E | | Trooper | Source: Nominal roll in WO127 | Nesbitt's Horse |
| Marshall | G E W | | Lieutenant | Natal 1906 (1)
Source: Recipients of the Natal 1906 Medal | Transvaal Mounted Rifles |
| Marshall | G H | | Colonel | Entered 1861; Colonel, 1897. Staff service: Chief Inst. School of Gunnery, 1893-97; Brigadier General Commanding RA, Aldershot District, 1897-99; Major General Commanding RA, South Africa, 1899. War service: Boer War, 1899-1900.
Source: List of KCB recipients. Various sources | Staff |
| Marshall | G H | | Major General | Transvaal War Album: Major-General George Henry Marshall is the Staff Officer with the First Army Corps commanding the whole. When an Army Corps is employed as a strategical unit, the work of, the officer: who directs the Artillery may be difficult, but that which falls to General Marshall is peculiarly arduous and harassing, owing to the fact that Sir Redvers Buller's Army Corps, with Artillery units, is divided between three distinct theatres of war. General Marshall is an officer of great experience, both in regard to the material of the Royal Artillery and to the tactical working of the artillery arm. He gained his lieutenancy in 1861, and was promoted a brevet-lieutenant-colonel in July, 1891. His great repute as an Artillery Officer had already led to his appointment as Chief Instructor of Horse and Field Artillery at the School of Gunnery, and in addition to his duties at Shoeburyness, it was his work to take charge of the summer operations at Okehampton, where the tactical instruction of our gunners mainly takes place. General Marshall's last appointment was to the command of the Royal Artillery in the Aldershot District. | Royal Artillery |
| Marshall | G H | | | 4th Battalion
Source: QSA and KSA medal rolls | East Surrey Regiment |
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