1894 Apr 27. Born Headington, Oxford
1901 census at Stanwell, Middlesex
1911 census at 19 George Street, Staines, Middlesex (same on MIC)
1917 Nov 16 MM Gazetted. 40629 L./C. L. P. Powell, Mdx. R. (Staines).
1918 Oct 9. Cadets to be 2nd Lt. MGC - Leo Percy Powell, M.M
1919 Nov 16. MGC. Temp. 2nd Lt. L. P. Powell, M.M., relinquishes his commission on completion of service, and retains the rank of 2nd Lt
1920 Aug 6 Joined ADRIC with service no. 130. Posted to A Coy
1921 Feb 12. Promoted Section Leader.
1921 Jun 6. Promoted Platoon Commander
1922 Jan 18. Discharged on demobilisation of ADRIC
1924 Sep 6. Married in Staines, Middlesex to Clara W L Macket . She died in 1927, it may have been in childbirth.
1939 Register, He is a widowed Aeronautical Instrument Assembler. Living at 21 Cumberland Avenue , Basingstoke M.B., Hampshire,
1944 Oct/Dec married in Basingstoke, Hants to Florence G A Hazell
1967 Sep 5. Died Basingstoke Hants.