Basic Details Surname Porteous Forenames S W Gender Male Information stated on memorial Alternative forename Stephen William War First World War (1914-1918) Served or died Died Notes Hornshaw and Fowler provide the extra details. He was only found to be named on this Calderdale memorial by them. Primary Service As stated on memorial Service (Primary - Stated) Army (British) Unit (Primary - Stated) D of W Regt Rank / Title (Primary - Stated) Pte Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) The Duke of Wellington's (West Riding Regiment) Rank / Title (Primary - Our reference) Private Death and Burial details Country of death France Town of death Somme Year of death 1916 Month of death September Day of death 30 Manner of death reference Missing