[1] The formation in the North, which included Northumberland, Cumberland, Westmorland and Durham, was originally based at Fenham Barracks in Newcastle upon Tyne until other districts were merged in after the Napoleonic Wars.

[3][4] Napier was succeeded in 1841 by Major-General Sir William Gomm, when the command included the counties of Northumberland, Cumberland, Westmorland, Durham, Yorkshire, Cheshire, Derbyshire, Lancashire, Nottinghamshire, Flintshire, Denbighshire and the Isle of Man, with HQ at Manchester.

[7] Northern Command continued to be an important administrative organisation until 1 July 1889, when it was divided into two separate Commands: North Eastern, under Major-General Nathaniel Stevenson (HQ York), and North Western, under Major-General William Goodenough (HQ Chester).

[8] Major-General Sir Leslie Rundle was appointed acting General Officer Commanding-in-Chief (GOCinC) of Northern Command on 10 October 1903, and it reappears in the Army List in 1905, with the boundaries defined as 'Berwick-on-Tweed (so far as regards the Militia, Yeomanry and Volunteers) and the Counties of Northumberland, Cumberland, Westmoreland, Durham, Lancashire, Yorkshire and the Isle of Man.

[9] By 1908 the Midland Counties of Lincolnshire, Nottinghamshire, Derbyshire, Staffordshire, Leicestershire and Rutland had been added, but Westmoreland, Cumberland and Lancashire had been moved into Western Command.

[13] At the end of 1914, Lieutenant General Sir Herbert Plumer, the GOCinC, left Northern Command to form V Corps in France, and Major-General Henry Lawson was placed in temporary command, followed by Lieutenant General Sir John Maxwell after he had suppressed the Easter Rising in Ireland.

[14] In 1939 Regular Troops reporting to Northern Command included 5th Infantry Division, based at Catterick.