She was educated at Creswick Grammar School and began her nursing training at Wangaratta Hospital in 1912.
[1] By the time Lang had trained as a nurse, Australia was involved in the First World War.
By 1917 she had become a matron but she left the hospital in Stawell to join the Australian Army Nursing Service, Australian Imperial Force briefly in Suez before she joined 300 of her peers on Salonika.
[2] Following the end of the war, Lang was discharged from the RAAF and returned to Victoria Police Hospital in 1946.
[1] She was appointed an Officer of the Order of the British Empire in 1950, and died in Canterbury, Melbourne, on 14 February 1983.