It doesn't look like Katherine Drexel Dahlgren was actually a race driver. Rather, she was the daughter of very affluent parents who indulged to her to the point of getting her a race car. And while it doesn't look like she actually competed, she did use the car to tear up the streets. You can imagine the scene created by the 21-year-old daughter of privilege blasting up and down the streets, scattering the locals and basically having a grand time. She did, however, run afoul of the law on more than one occasion.
This news snippet comes from the NY Times on July 20, 1915:
Repeated offenses led to the revocation of her license. This second snippet was also from the society pages the NY Times, October 18, 1915:
Photo: Library of Congress