Career
He was Secretary for Public Lands and Secretary for Agriculture from 1 December 1899 to 7 December 1899. He was Secretary for Public Instruction from 1 June 1915 to 9 September 1919. He held Leichhardt until he resigned on 14 October 1919 in order to take up an appointment in the Land Court.
Hardacre died in 1938 and is buried in Balmoral Cemetery.