May de Sousa (1884-1948) was an American singer and a Broadway actress. She came to fame in 1898 as the singer of "Dear Midnight of Love", a ballad by Bathhouse John Coughlin. De Sousa retired in 1918, married a local doctor, and eventually moved to Shanghai. In 1943, following two periods as a prisoner of war in internment camps in China, she returned to the United States and took a job in Chicago as a scrubwoman in the public-school system. She died in Chicago charity ward of malnutrition.