The birth of Katherine Anne Chevenix-Trench was registered in Kensington, London during the second quarter of 1912 (Born 13 May 1912). The maiden name of her mother was Tootal.
Her parents were Lawrence Chevenix Trench and Winifred Rose Tootal. They were married in Kensington, London, during the second quarter of 1908.
She was married to George William Frederic Leicester in 1932 and to Alec Frankland in Sturminster, Dorset, during the third quarter of 1944. The 1939, Register for England and Wales reports she lived in Frimley and Camberley, Surrey, with her mother-in-law Mary L. Leicester (67) and her daughter Elizabeth M. A. Leicester (4). Katherine Anne Chevenix-Trench (Frankland) died in Ludlow, Shropshire, in November 2001.

The National Index of Wills and Administrations tells about the death of a Katherine Anne Chevenix-Trench in 1927.