Lloyd-Williams was born on 14 February 1896 in
Oswestry. She attended
Queen Anne's School from 1908 to 1915 and Bedford Physical Training College from 1915 to 1917. She taught in physical education in a
Kingston upon Hull school for two years, then worked for another two years as a
physiotherapist at
St Thomas' Hospital in
London. She enrolled in the
London School of Medicine for Women in 1921 and graduated as
MBBS in 1926. She was awarded an
MD in 1929 from the
University of London. After graduating, Lloyd-Williams held house posts at the
Royal Free Hospital and the
Elizabeth Garrett Anderson Hospital. In 1928, she became a resident
anaesthetist at the Royal Free, and also opened a
general practice in
Bloomsbury. After serving as honorary anaesthetist to numerous London hospitals in the early 1930s, in 1934 she was appointed
consultant anaesthetist at the Royal Free, a position she held until 1962. She was elected FFARCS (Fellow of the
Faculty of Anaesthetists, Royal College of Surgeons) in 1948, and served as president of the
Medical Women's Federation in 1958–59. She was made a
Commander of the Order of the British Empire (CBE) in 1956. After retiring in 1962, she lived in
Lampeter. She died on 10 January 1973 while holidaying in
Faro, Portugal. Lloyd-Williams was featured in the
Royal College of Physicians Women in Medicine project, showcasing women clinicians and those who have inspired them, selected for inclusion by
Professor Ramani Moonesinghe. ==References==