John Flynn (minister) of the Aerial Medical Service was in 1928 from Cloncurry, Queensland. A museum commemorating the founding of the Royal Flying Doctor Service is located at John Flynn Place in Cloncurry. Flynn married the secretary of the AIM, Jean Blanch Baird, on 7 May 1932 at the Presbyterian Church in Ashfield, Sydney. He was 51 years old and the marriage reportedly came as a surprise even to his close friends. He retired and died in Sydney on 5 May 1951. He was 70 years old. He was cremated and his remains were placed under a large boulder from the Devils Marbles.
Cloncurry Post Office was not reached until the early twentieth century. The township of Cloncurry was established in the early 1870s to serve a remote and isolated area in the far north west of Queensland. It was officially designated a Country Post Office in 1871 and in June that year the first postmaster was appointed, operating from temporary accommodation. In 1872 a general store and a hotel were opened, forming the nucleus for a service township. Early transportation was by horse, bullock and camel teams. Mail contractors using pack horses operated mail runs along routes radiating from Cloncurry as the demand for postal