Odin,
Thanks for the info and scan of his attestation details. Would you happen to know whether Mitcham falls into the W Div area?
I've had a look through the various census and pieced together the following regarding James Keylock;
1857: Born Cirencester, Gloucestershire. 1871 Census: Errand Boy. Address; Preston St, Preston, Gloucestershire
1881 Census: Single. Address; Causeway Police Station, Mitcham,Surrey.
1881 (Jul-Sep): Married in Croydon to AdaLucy Kennett (Born 1859).
1891 Census: Occupation is Gatekeeper. Address; 29 Gaskell St, Clapham.
1900: Died in W