Having worked with Hugh Murphy in mid 60's for Shel Talmy Productions. I broached this question with Shel and he stated that Hugh died of a throat problem possibily cancer.
Hugh Glass died in 1833.
Cisero Murphy died in 1996.
Hugh Wardell-Yerburgh died in 1970.
Hugh Gourley died on 1906-12-16.
Hugh Pollard - Major - died in 1966-03.
Hugh Burnett - producer - died in 2011.
Jack Ruby - record producer - died in 1989.
Robert E. Myers - record producer - died in 1976.
Ken Nelson - United States record producer - died on 2008-01-06.
Hugh of Die died in 1106.
Hugh Mills died in 1971.
Hugh Atwell died in 1621.
Hugh Adair died in 1902.
Hugh Herland died in 1411.
Hugh Lamprey died in 1996.
Hugh Priestley died in 1932.
Hugh Robson died in 1945.