Mabel Walker Willebrandt (1889–1963) was a prominent American lawyer who rose to national prominence during the Prohibition era. Widely acclaimed by her contemporaries as the "First Lady of Law," Willebrandt served as the United States Assistant Attorney General from 1921 to 1929. In this influential role, she became one of the most recognizable public officials of her time, navigating complex legal landscapes during a transformative period in American history.\n\nDuring her tenure as Assistant Attorney General, Willebrandt was tasked with formidable administrative and prosecutorial responsibilities. She headed the federal efforts concerning violations of the Volstead Act, which enforced the Eighteenth Amendment's prohibition on the manufacture and sale of alcoholic beverages. Her rigorous and high-profile enforcement of these laws earned her the popular nickname "Prohibition Portia."\n\nBeyond her famous work with Prohibition enforcement, Willebrandt's federal portfolio was extensive. She also directed cases involving federal taxation and oversaw matters related to the Bureau of Federal Prisons. Through her multi-faceted legal career and public service in the 1920s, she left a lasting mark on the administration of federal law and the American legal profession.
