Basic Details Surname Fitzsimmons Forenames S E S Gender Male Information stated on memorial War First World War (1914-1918) Served or died Served Primary Service As stated on memorial Unit (Primary - Stated) RIR Rank / Title (Primary - Stated) Lt. Col. Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) Royal Irish Regiment Rank / Title (Primary - Our reference) Lieutenant Colonel