Her stay was cut short when her father ordered her home as a way of breaking up a romantic relationship that she had developed with a magazine publisher.

[5] In 1908, she returned to the United States to perform in George M. Cohan's The Yankee Prince when it had its premiere in Hartford, Connecticut.

[6] Hammerstein's hopes of eventually singing grand opera and becoming a prima donna were dashed when her father's throat specialist told her in 1908 that her vocal cords were "much too weak for really great music".

[7] Hammerstein's Broadway credits included Everywoman (1911), The American Idea (1908), The Yankee Prince (1908), Winsome Winnie (1903), The Blonde in Black (1903), Notre Dame (1902), and Frocks and Frills (1902).

[16] They were divorced in March 1920, and on April 1, 1920, she married Charles Fyles Pope,[17] vice-president of the International Doll Association.