[1][3] She moved to New York when she married Edward Siedle, who was properties master for the Metropolitan Opera.
[2] She died on February 26, 1907, at her home in Ludlow Park, Yonkers, of pneumonia, after being ill for four days.
[4] Siedle worked in the theatre when British pantomime and Viennese operettas were still being produced, but American musical comedies were becoming increasingly popular.
Without her assistance I should never have been able to carry out the musical comedy color schemes which have made beautiful stage pictures.
"[3] Siedle contributed to America's visual culture with her designs for the spectacular, first musical version of The Wizard of Oz (1903) and for Victor Herbert's fantasy Babes in Toyland (1903).
For that novelty, the white, frilly dresses of the eight "Pony Ballet" girls glowed "like gigantic fire-flies" when the auditorium was darkened.