if born in 1879 there is a good chance that he may possibly have lived until 1 9 7 9 if a centaurian. If he did live to a ripe old age, then it will be difficult finding him online as most registry information will be guarded by privacy protocols. I don't know what makes you think he came to Australia but I would be searching for an immigration record with the Australian Archives.
best I can offer at this time.
