The Ayrshire Yeomanry
1914 : in Ayr. Part of the Lowland Mounted Brigade.
September 1915 : moved as dismounted troops to Gallipoli.
11 October 1915 : attached to 52nd (Lowland) Division.
February 1916 : Brigade transferred to 1st Dismounted Brigade, which was broken up 16 October 1916. Regiment moved to 2nd Dismounted Brigade.
January 1917 : with the Lanarkshire Yeomanry, formed 12th (Ayr and Lanark Yeomanry) Bn, the Royal Scots Fusiliers. Placed under orders of 229th Brigade in 74th (Yeomanry) Division.
21 June 1918 : moved to 94th Brigade, 31st Division.
as a Second-Line regiment in September 1914, under command of 2/1st Lowland Mounted Brigade.
March 1916 : Brigade redesignated 20th Mounted Brigade.
July 1916 : converted into a Cyclist unit, in 13th Cyclist Brigade (which was redesignated 9th Cyclist Brigade in November 1916).
Remained in Scotland until moving to Ireland in May 1918, where it then remained.
as a Third-Line training unit in 1915.
Remained in United Kingdom until disbanded in early 1917, when the personnel went to the 2/1st and to the 4th (Reserve) Bn, the Royal Scots Fusiliers.