Harrison diganjar Medal of the Order of Australia (OAM) dina 7 Juni 1999. Anjeunna dicalonkeun pikeun Australia of the Year, sanaos anjeunna henteu meunang. Dina 2011, anjeunna dicalonkeun dina divisi Pahlawan Lokal New South Wales tina penghargaan Australia of the Year. Patarosan: Dina taun naon Harrison dicalonkeun?
Taun 2011