Notable members of the battalion include James Pearson, Arthur Farrimond, Jimmy Broad, Robert Dudgeon, Major Archibald Alexander Gordon, Walter Lyon, FCB Cadell and William Geissler.

He wrote that "It had long been felt to be unfortunate that the capital of Scotland, which drew to itself so many young men from the country north of the Forth and Clyde, forming the old Scottish kingdom of ancient Alban, possessed no Volunteer corps clothed in the garb of old Gaul, and providing special attractions for the Highlanders and the sons of Highlanders who had, in the conditions of modern life, come to push their fortunes in Edinburgh.

Broun "had the interesting experience of being the last officer to take a flag of truce into the enemy's lines, and of spending the last night of the war at the Head Government Laager of the Transvaal".

[6] 9th Royal Scots, nicknamed The Dandy Ninth, were the only Volunteer battalion to retain their number upon the transition to the Territorial Force in April 1908.

[8] The 9th Royal Scots returned from their summer camp at Stobs on Sunday, 2 August 1914 and two days later they were embodied when Britain declared war on Germany.

[12] They were sent to strengthen the 61st (2nd South Midland) Division in February 1918 and faced the German spring offensives at St Quentin (Operation Michael) and at the Lys.

[13] They moved again in June 1918, this time to the 15th (Scottish) Division, and served near Soissons, where the battalion suffered it's heaviest loss of the war at Villemontoire on 1 August 1918.