Basic Details Surname O'Sullivan Forenames G R. Gender Male Information stated on memorial War Military Service Served or died Not Stated on Memorial Honours V.C. Notes WW1 Suvla, Gallipoli 1915 1st Battalion, The Royal Inniskilling Fusiliers. Primary Service As stated on memorial Unit (Primary - Stated) British Army Rank / Title (Primary - Stated) Capt. Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) Princess Louise`s (Argyll and Sutherland Highlanders) Rank / Title (Primary - Our reference) Captain Secondary Service As stated on memorial Unit (Secondary - Stated) 1st Battalion, The Royal Inniskilling Fusiliers.