Washington died in a car accident near her home in Hartsdale, New York on January 20, 1990.
She was due to leave that week to succeed Herbert E. Horowitz as Ambassador of the United States to the Gambia.
She also attended the New York University School of Business Administration.
[3] Washington worked as a probation officer for the City of New York after law school.
of Labor Solicitor Office and Associate Counsel for the State Division of Human Rights (1961–1963), Commissioner of the New York State Workers’ Compensation Board (1968–1974), chairwoman of the Benefits Review Board of the U.S. Department of Labor (1974–1977) and Magistrate for the Southern District of New York (1979–1987).