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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Lance Corporal John Sewell
Date of death: 05/07/1916 (aged 26)
Cemetery: THIEPVAL MEMORIAL
Son of Joseph and M. H. Sewell, of 2, Smithfield, Egremont, Cumberland.
Corporal John Lancaster
Date of death: 02/03/1916 (aged 22)
Cemetery: YPRES (MENIN GATE) MEMORIAL
Son of Martha Wood, of 32, North Rd., Egremont, Cumberland.
Lance Corporal William Sewell
Date of death: 10/02/1917 (aged 24)
Cemetery: HAZEBROUCK COMMUNAL CEMETERY
Son of John and Elizabeth Sewell, of 30, South St., Egremont, Cumberland.