Basic Details Surname Gray Forenames William D Gender Male Information stated on memorial War First World War (1914-1918) Served or died Served Primary Service As stated on memorial Unit (Primary - Stated) Nigerian Light Infantry Rank / Title (Primary - Stated) Colour Sergt Our References Service (Primary - Our reference) Commonwealth Armed Forces Unit (Primary - Our reference) Nigerian Light Infantry Rank / Title (Primary - Our reference) Colour Sergeant