William John "Boy" Murphy (4 September 1903 – 25 November 1979) was an Irish boxer who competed in the 1924 Summer Olympics and the 1928 Summer Olympics.
[1] At the 1924 Summer Olympics he was eliminated in the quarter-finals of the middleweight class after losing his fight to Leslie Black.
Four years later at the 1928 Summer Olympics he was eliminated in the quarter-finals of the light heavyweight class after losing his fight to the upcoming silver medalist Ernst Pistulla.
Murphy won the Amateur Boxing Association of England 1930 light heavyweight title.
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