MB ChB Manch 1926, MD 1932; DCH Eng 1943.
Egan studied at the University of Manchester and gained a Dickinson Scholarship to undertake postgraduate research at MRI. Egan held junior positions at MRI, Royal Manchester Children's Hospital and St Mary's Hospital Manchester before being appointed senior medical officer to Booth Hall Hospital Manchester. Egan held the post of medical officer to outpatients at MRI from 1933 until she resigned in 1945. She was appointed visiting paediatrician to Park Hospital Davyhulme and Royal Infirmary Wigan, later being promoted to consultant for West Manchester Hospitals Group. Egan was a member of Manchester Medical Society , Manchester Pathological Society, British Paediatric Association, and a fellow of the Royal Society of Medicine.