1901 Nov 22. Born London
1920 Feb Enlists in Tank Corps
1920 Dec 23. Died at Dublin. It looks as if he was accidently shot, but I cannot get a reference to an inquiry. The death cert is not (oddly) available online CWGC
GASKIN, ARTHUR LIONEL Service Number 315147 Died 23/12/1920 Aged 19 9th (Queen's Royal) Lancers Son of Isaac and Matilda Rose Hetty Gaskin of Islington, London.