Unit History
Formation
; 152nd (1st Highland) Brigade :
- 1/5th (The Sutherland and Caithness) Bn, the Seaforth Highlanders
- 1/6th (Morayshire) Bn, the Seaforth Highlanders
- 1/8th (The Argyllshire) Bn, the Argyll & Sutherland Highlanders (from 154th Bde. April 1915)
- 1/4th Bn, the Cameron Highlanders (until February 1915)
- 1/6th (Renfrewshire) Bn, the Argyll & Sutherland Highlanders (from 154th Bde. April 1915 to June 1915)
- 1/6th (Banff and Donside) Bn, the Gordon Highlanders (from June 1916)
; 153rd (2nd Highland) Brigade :
- 1/6th Bn, the Black Watch
- 1/7th Bn, the Black Watch
- The Shetland Companies, the Gordon Highlanders
- 1/4th Bn, the Gordon Highlanders (until February 1915)
- 1/5th (Buchan and Formartin) Bn, the Gordon Highlanders (until February 1918)
- 1/7th (Deeside Highland) Bn, the Gordon Highlanders (until October 1918)
; 154th (3rd Highland) Brigade :
The original brigade comprised the following battalions until April 1915
when some of the battalions moved to the 152nd Brigade:
- 1/7th Bn, the Argyll & Sutherland Highlanders
- 1/6th (Renfrewshire) Bn, the Argyll & Sutherland Highlanders
- 1/8th (The Argyllshire) Bn, the Argyll & Sutherland Highlanders
- 1/9th (The Dunbartonshire) Bn, the Argyll & Sutherland Highlanders
Between April 18 1915 and January 1916, the brigade was replaced by the
battalions of the 164th (North Lancashire) Brigade from the 55th (West Lancashire) Division.
- 1/4th Bn TF, the King's Own (Royal Lancaster) Regiment
- 1/8th (Irish) Bn, the King's (Liverpool) Regiment
- 2/5th Bn, the Lancashire Fusiliers
- 1/4th Bn, the Loyal North Lancashire Regiment
- 1/6th Bn, the Cameronians (Scottish Rifles)
After early 1916, the brigade contained the following battalions:
- 1/4th (Ross Highland) Bn, the Seaforth Highlanders
- 1/4th Bn, the Gordon Highlanders
- 1/9th (Highlanders) Bn, the Royal Scots Regiment
- 1/7th Bn, the Argyll & Sutherland Highlanders
