Jennings served in the Kent Fortress Royal Engineers in the First World War and died as a result of injuries received during his service in August 1918.
[1] Jennings made his first-class cricket debut for Kent in August 1909 in a County Championship match against Surrey at The Oval.
[4][5][6] In 1911 he led the Kent batting averages, was awarded his county cap and scored his first century in first-class cricket, although he only played in three matches.
[1][2][5][10] Jennings joined the Kent Fortress Royal Engineers during the First World War, enlisting as a private in 1914 and reaching the rank of Second Corporal.
His father, also David Jennings, played for Devon in the Minor Counties Championship and was later the professional coach and head groundsman at Marlborough College,[14] whilst his younger brothers George and Tom both played first-class cricket after World War I, George for Warwickshire and Tom for Surrey.