[3][5] The census documents that in April that year, 22-year-old Sidney was living with her mother and stepfather on the 500 block of West 178th Street in Manhattan, along with Samuel and their two stepbrothers.

[3] Additional sources regarding Fox's early life indicate she was employed in an array of other jobs as well, including work as a seamstress, a secretary in a law firm, and as a model or "mannequin" in a shop on Fifth Avenue.

In 1931, Sidney was selected by motion picture advertisers as a WAMPAS Baby Star, recognizing her as one of the film industry's most promising new actresses.

[11] The next year, she starred as Madamoiselle Camille L'Espanaye in the Robert Florey film Murders in the Rue Morgue opposite Bela Lugosi.

[12] By 1940, according to that year's federal census, Charles and Sidney Beahan were residing together in a $125-a-month rented home at 9421 Charleville Drive in Beverly Hills, California.

Roles in Bad Sister, Mouthpiece and Once in a Lifetime followed, with a part in the French version of Don Quixote, starring Feodor Chaliapin, sandwiched in-between.

[12] Following the coroner's investigation of her death, her body was returned to New York City and interred at Mount Lebanon Cemetery in Glendale, Queens.