Mabel Garrison Siemonn (April 24, 1886 – August 20, 1963), was an American coloratura soprano who sang at the Metropolitan Opera from 1914 to 1921.
Mabel Garrison Siemonn (April 24, 1886 – August 20, 1963), was an American coloratura soprano who sang at the Metropolitan Opera from 1914 to 1921.