La Mance performed in Europe, South America, and Egypt as a young woman. She was with the William Wade Hinshaw Company in 1925 and 1926. and was a visiting artist at the
Mayflower Hotel in 1926. La Mance was considered a stage beauty. La Mance joined the Metropolitan Opera in 1929. At the Met, she appeared in
Rigoletto (1929),
Manon Lescaut (1929),
Cavalleria rusticana (1929), and several special concerts. After her recital at
Town Hall in 1930,
The New York Times reported that she had "ample range and power and unusually brilliant timbre". On Broadway, she played
Alan-a-Dale in the 1932 revival of
Robin Hood. La Mance sang with the
Chicago City Opera in the 1930s, including roles in
Aida,
Il trovatore and
La fiamma (1936). She played Azucena in
Il trovatore in 1940 in
San Juan, Puerto Rico, in a production that included
Leonard Warren and
Arthur Carron. During
World War II, she traveled with the
United Service Organizations to entertain American troops in Italy, North Africa, and Alaska. After the war, she worked in radio in New York City. ==Personal life==