Ida Daisy Muriel Warner was born Ida Daisy Muriel Lambert on 9 May 1923 in Wandsworth, the daughter of Mr Francis A. Lambert and Mrs Lillian Lambert, née Bennett. The 1939 England and Wales Register, that was compiled for the issue of National Identity Cards, shows her as a typist at the Westminster College, Madingley Road, Cambridge, Cambridgeshire. In early 1942 she married David M. W. Warner in Battersea and together they lived with her parents at 22 Altenburg Gardens, Battersea.
She died, aged 21 years, on 9 February 1945 as a result of enemy action at Church House, 98 Tavistock Place, WC1, when it was hit by a V2 rocket. She is also commemorated in the Civilian War Dead Roll of Honour, located near St. Georges's Chapel in Westminster Abbey, London.
