Gilbert was a brother of our Gran, one of 12 siblings.  their brother Hugh died in 1918 in Belgium. On another search engine about the war I saw a message (dated 2010) from Gilbert's great grand daughter, Lynne, looking for information about him.  This is all I have.  I replied but the site was no longer working.  There are many grand nieces and nephews remembering Gilbert.

Lesley Saunderson