In February 1925, in accordance with General Order No 5034 The London Gazette published a complete list of Battle Honours awarded for the Great War.

In General Orders, 1928, "Honours awarded to Militia Corps for services previous to the Great War shall pass to the reconstituted Militia Regiment and shall be emblazoned on all Regimental Standards, Guidons or Colours"
 
Following the disbandment of the Royal Guernsey Light Infantry in 1919, the 1st Battalion Royal Guernsey Militia were granted the following Battle Honours:
Ypres 1917
Passchendaele
Cambrai 1917
Lys
Estaires
Hazebrouck
France and Flanders 1917–1918.
In February 1925, in accordance with General Order No 5034 The London Gazette published a complete list of Battle Honours awarded for the Great War.
In General Orders, 1928, "Honours awarded to Militia Corps for services previous to the Great War shall pass to the reconstituted Militia Regiment and shall be emblazoned on all Regimental Standards, Guidons or Colours"
 
Following the disbandment of the Royal Guernsey Light Infantry in 1919, the 1st Battalion Royal Guernsey Militia were granted the following Battle Honours:
Ypres 1917
Passchendaele
Cambrai 1917
Lys
Estaires
Hazebrouck
France and Flanders 1917–1918.
Royal Guernsey Militia