Elizabeth Mackenzie was Librarian of the English Faculty Library at Oxford from 1947 - 1951 before coming to LMH as Fellow Librarian in 1951, a post she continued to hold until her retirement in 1988. She was a Lecturer from 1954 and a Tutor from 1958 and Vice-Principal from 1981 - 1988.
Miss Elizabeth Mackenzie was appointed to an Emeritus Fellowship in 1988.