Unwin Thomas James Henniker
I can't find him on LOTFWW. Born 1900 died 14 Nov 1918. CWWGC record and FMP. Served 53rd Batt Middlesex Reg. No. TR1O/171763
Jane Dickson commented
Thank you for identifying this omission. I think he had not served overseas so has no MIC.
Thomas' Life Story has now been created: https://livesofthefirstworldwar.org/lifestory/7696780
I have added and transcribed his 'Register of Soldiers' Effects' entry from Ancestry too as that gives Christian names and the place and cause of his death.