Basic Details Surname Costin Forenames John Henry Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Primary Service As stated on memorial Unit (Primary - Stated) London Regt. Sub-unit (Primary - Stated) 2/. 22. Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) 22nd Battalion London Regiment (The Queens) Death and Burial details Year of death 1919 Month of death October Day of death 25 Age at death 22 Manner of death as stated Died at sea Manner of death reference Other