When she played the part of Madame Butterfly, Puccini was spellbound. Bríd Mahon, in her 1998 book While Green Grass Grows p 123, states that: “It was rumoured that an Italian whose overtures she had rejected had blown his brains out in a box in La Scala, Milan, while she was on stage and that after the tragedy she never sang in public again.” She died in relative obscurity in 1958 and her remains buried in Glasnevin cemetery, Dublin.
^Women in world history: a biographical encyclopedia, ed. Anne Commire, Deborah Klezmer - 2001 "Sheridan, Margaret (1889-1958) Irish soprano who had leading roles at La Scala and Covent Garden and was particularly acclaimed for her singing of Puccini's operatic heroines. Name variations: Margaret Burke Sheridan; Margaret Burke- ..."