Basic Details Surname McDonald Forenames John Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Notes Should probably read SS Rio Verde Primary Service As stated on memorial Unit (Primary - Stated) SS Reoverda Rank / Title (Primary - Stated) Smn. Our References Service (Primary - Our reference) Merchant Navy Unit (Primary - Our reference) Mercantile Marine Rank / Title (Primary - Our reference) Seaman