The Monthly Army List
Each month the War Office published a list of officers serving in each regiment of the Army. Below is a link to a transcript of the Monthly Army List for the 6th (Inniskilling) Dragoons Service Squadron, covering the years 1915 to 1919.
Text in red indicates an addition from the previous month. Text that has been struck out indicates a deletion from the previous month. The dates on the right of the page refer to 'seniority' - that is, the date at which the officer was gazetted to that rank.