Heibron was also the first woman to achieve a first class honours degree in law at the University of Liverpool (in 1935), England's first woman judge as Recorder of Burnley (in 1956), the first woman to sit as a judge in the Old Bailey (in 1972), the second female High Court judge (in 1974), and the first woman Presiding Judge of any Circuit when she became Presiding Judge on the Northern Circuit (in 1978).