Basic Details Surname Mortimer Forenames James Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Notes WW1-Yorkshires states he was commanding the 5th Battalion when he was killed. Primary Service As stated on memorial Service (Primary - Stated) Army Unit (Primary - Stated) Yorkshire Regiment Sub-unit (Primary - Stated) 5th Rank / Title (Primary - Stated) Lt Col Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) The Yorkshire Regiment Rank / Title (Primary - Our reference) Lieutenant Colonel Death and Burial details Country of death France Town of death Somme Year of death 1916 Month of death September Day of death 15 Manner of death as stated Killed in action Manner of death reference Killed in Action