Eugenie Mary "May" Ladenburg Davie (January 31, 1895 – September 19, 1975) was a noted Republican activist in New York City and a director of the controversial Pioneer Fund at the end of her life.

Senator Harrison Gray Otis), was from a prominent New York City family descended from Major General Ebenezer Stevens, an officer in the American Revolution, and Albert Gallatin, the 4th U.S. Secretary of the Treasury who served as the U.S.

[6] A onetime leader of the Landon Volunteers,[7] she was vice president of the American Women's Voluntary Services, Inc.[8] She butted heads with Fiorello La Guardia during World War II after he told William Fellowes Morgan, Jr. to dismiss her as an unpaid assistant.

[10] La Guardia's tenure marked the end of the Tammany power in New York, and Davie's political influence gradually faded over the ensuing decades.

[6] When G. Alexander Heard became chancellor in 1963, they "immediately became fast friends" and they attended presidential candidate Barry Goldwater's speech in Madison Square Garden on October 26, 1964.