1/1st

August 1914 : in Kirkcaldy. Part of the Highland Brigade.

August 1915 : dismounted and moved to Gallipoli via Egypt, landing 26 September 1915.

21 December 1916: converted into the 14th (Fife and Forfar Yeomanry) Bn, the Black Watch, and joined 229th Brigade, 74th Division.

2/1st

Formed September 1914, and joined 2/1st Highland Mounted Brigade in January 1915. Brigade redesignated 1st Mounted Brigade in 1st Mounted Division in April 1916. November 1917, converted into a Cyclist unit. Moved to Ireland in early 1918.

3/1st

Formed in 1915. Remained in United Kingdom until disbanded in early 1917.