Basic Details Surname Rennie Forenames Mark Norman 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) RNR Sub-unit (Primary - Stated) HMS Valla Rank / Title (Primary - Stated) LIEUTENANT Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) Royal Naval Reserve Rank / Title (Primary - Our reference) Lieutenant Death and Burial details Country of death Not Stated on Memorial Country of burial Not Stated on Memorial Cemetery Not Stated on Memorial Year of death 1917 Month of death August Day of death 21 Age at death 29 Manner of death as stated KILLED IN ACTION Manner of death reference Killed in Action Personal Details Occupation Not Stated on Memorial