[4] The 4th battalion had been embodied already in December 1899, also for service in the same war, and 600 officers and men embarked for South Africa in late February 1900.

[7][2] The 1st Battalion landed at Le Havre as part of the 19th Brigade, which was an independent command at that time, in August 1914 for service on the Western Front.

[9] The 2nd Battalion landed in France as part of the 23rd Brigade in the 8th Division in November 1914 for service on the Western Front.

[8] The 1/6th Battalion landed at Le Havre as part of the 23rd Brigade in the 8th Division in March 1915 for service on the Western Front.

[17] The 2nd Battalion, initially commanded by Lieutenant Colonel Douglas Graham, was deployed to France as part of the 13th Infantry Brigade in the 5th Division within the British Expeditionary Force (BEF) in September 1939 and, after taking part in the Dunkirk evacuation in June 1940, saw action in the Allied invasion of Sicily in July 1943 and the Allied invasion of Italy in September 1943 and, after fighting in the Italian Campaign, serving in both the Moro River and Anzio campaigns until July 1944, took part in the North West Europe Campaign in early 1945, ending in May.

[19][20] The 9th Battalion took part in the Normandy landings as part of the 46th (Highland) Infantry Brigade in the 15th (Scottish) Infantry Division in June 1944 and saw action in the North West Europe Campaign in late 1944 (including action at the Battle of Broekhuizen) [21] and in 1945.

In the 1960s the unruly behaviour of some of the Cameronians who were stationed in Minden as part of the BAOR caused a local to describe the smaller Scottish soldiers as "poison dwarfs".

Its recruiting area in Lanarkshire and Dumfries and Galloway was taken over by the King's Own Scottish Borderers and the Regimental Headquarters finally closed down in 1987.

[37] The Cameronians War Memorial in Kelvingrove Park, Glasgow by Philip Lindsey Clark, unveiled on 9 August 1924, depicts men of the regiment manning a Lewis gun.