Nellie Fassett was the founder and president of the Women's Democratic Club of New York City. She married John Sherwin Crosby. In 1913 she gave a victory breakfast at the Waldorf-Astoria for the new First Lady Ellen Axson Wilson and her children. In 1918 she was named as the representative of New York State on the Woman's Advisory Committee of the Democratic National Committee.
- Jo Freeman. "The Rise of Political Woman in the Election of 1912". University of Illinois. Retrieved 2009-07-25. "One of those attending the breakfast was Nellie Fassett (Mrs. John Sherwin) Crosby of New York City. She was not a political wife, but a political organizer and the personal friend of William Jennings Bryan. Mrs. Crosby had been organizing and presiding over women’s political clubs since the 1890s. She had founded the Woman’s Democratic Club of New York City in 1905 — “the only organization of Democratic women [in New York] to outlive its birth year” — and was still its only president"
- "Democrats Choose Mrs. J.S. Crosby." (PDF). New York Times. February 28, 1918. Retrieved 2009-07-25. "Mrs. John Sherwin Crosby of New York City has been named as the representative of New York State on the Woman's Advisory Committee of the Democratic ..."