The following sources have potential matches based on the name and other information associated with this record. They may or may not be connected to this person but are provided for your further research
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 John Clark
Date of death: 21/03/1918 (aged 23)
Cemetery: ACHIET-LE-GRAND COMMUNAL CEMETERY EXTENSION
Son of John and Agnes Clark, of 23, Windsor Terrace, Govan, Glasgow.
Private David Sawers Clark
Date of death: 10/07/1918 (aged 22)
Cemetery: DARLINGTON NORTH CEMETERY
Son of Ann and the late William Clark; husband of Lucy Charlton (formerly Clark), of 4, Sheraton St., Darlington.