She held a number of administrative posts in New York City and Missouri, where she received her master's degree from Washington University in St. Louis in 1917.

Mary T. Sarnecky, author of A History of the U.S. Army Nurse Corps (Penn Press, 1993) wrote, "Stimson actively lived a feminist ideology in several singularly oppressive and paternalistic contexts--the upper-class Victorian home, the turn-of-the-century hospital setting and the military establishment of the early 20th century.

Stimson was awarded the United States Distinguished Service Medal,[4] presented by General John J. Pershing.

21, Chief Nurse Stimson displayed marked organizing and administering ability while that unit was on active service with the British forces.

Upon her appointment as Director of Nursing Service of the American Expeditionary Forces, she performed exacting duties with conspicuous energy and achieved brilliant results.