Basic Details Surname Gilfillian Forenames Simon Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Service number 25576 Primary Service As stated on memorial Unit (Primary - Stated) A&SH Sub-unit (Primary - Stated) 2nd Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) Princess Louise`s (Argyll and Sutherland Highlanders)