Basic Details Surname Halahan Forenames Henry C Gender Male Information stated on memorial Alternative forename Henry Crosby War First World War (1914-1918) Served or died Died Honours DSO Primary Service Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) HMS President Rank / Title (Primary - Our reference) Captain Death and Burial details Year of death 1918 Month of death April Day of death 23 Age at death 34 Manner of death reference Killed in Action