Going on to be featured in numerous plays even in her teenage years, Mersereau was considered one of the best classic dancers of the time and her use of pantomime was among the greatest in vaudeville theater.

As a teenager and young adult, she studied dance and made trips to Europe and "the Orient" to train in different styles.

[2] She also spent time training her dances with her aunt Theodora Warmolts Van Ness in the eastern United States.

[3] In 1909 during her early teens, Mersereau joined the Kolb & Dill Farce Comedy company to begin appearing in plays in Oakland.

[6] In 1917, she performed a solo act, with a single assistant, of her dancing play A Romance of Old Egypt, described by The Victoria Daily Times as "representing her unusual expressive arm flexibility".

The Times also said that she was "one of the most successful of the classic dancers now before the public" and that her original plays featuring her dancing pantomime were "one of the finest expositions of the art on the vaudeville stage today.