Mary Ellis (June 15, 1897 – January 30, 2003) was a long-lived star of the British stage best known for her roles in the genre of
musical theatre. After appearing with the
Metropolitan Opera beginning in 1918, later appearing opposite
Enrico Caruso, she acted on
Broadway, creating the title role in
Rose Marie. In 1930, she emigrated to England, where she gained additional fame and continued to perform into the 1990s.