"Young" Billy McAllister (12 February 1907 – 30 April 1984) born in Melbourne, was an Australian professional fly/bantam/featherweight boxer of the 1920s and 1930s who won the Australian flyweight title, Australian bantamweight title, and British Empire bantamweight title, his professional fighting weight varied from 92 lb (42 kg; 6 st 8 lb), i.e.