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The regimental War Diaries are held at The UK National Archives and as of April 2020 have been made available for free download*. They are the official unit war diaries for the British Army that contain records of daily activities, including casualties. They are not personal diaries.
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Private Richard Cox
Date of death: 02/04/1917 (aged 33)
Cemetery: HENIN CRUCIFIX CEMETERY
Son of Mrs. Deborah Oughton, of 37, Dover St., Cargo Fleet, Middlesbrough.
Private Sidney Cox
Date of death: 26/06/1918 (aged 18)
Cemetery: DERBY (UTTOXETER ROAD) CEMETERY
Son of Lewis and Mary Cox, of 31, Wild St., Derby.