[1] Following her graduation from All Hallows', Sister Regis worked as a teacher specialising in home science, chemistry, physiology and religion.
[1][2] Also in 1949, Sister Regis commenced training as a medical laboratory scientist by studying part-time at the Queensland Institute of Technology while working as a trainee biochemist at the Mater Hospital.
[1] Sister Regis then worked in the haematology field, pioneering a procedure for chromosome analysis, leading to her establishing Queensland's first cytogenetics diagnostic laboratory at the Mater Hospital in 1960.
[1] This centre offered free access to a library of bioethical information which was used by professionals, organisations and members of the public.
[4] Sister Regis died on 20 April 2020, prompting a number of tributes from the medical and scientific community.