This unit did not exist before the war. It was formed in August 1914 and my data for it is patchy. I will complete the sequence below when more verified dates on which numbers were issued, come to light.
447 joined on 18th August 1914
1264 joined on 26th May 1915
1290 joined on 3rd June 1915
1521 joined on 26th August 1915
1553 joined on 19th September 1915
1715 joined on 15th November 1915
A 2/3rd Scottish Horse and a 3/3rd Scottish Horse were formed during the First World War and these units also drew numbers from the same series above.
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