Mary Trump is an American clinical psychologist, author, and a member of the Trump family. She is the daughter of Fred Trump Jr., the older brother of former U.S. President Donald Trump, making her Donald Trump's niece. Born in May 1965, Mary Trump holds a PhD in clinical psychology and has worked at institutions such as the Manhattan Psychiatric Center. She also founded a life coaching company called the Trump Coaching Group
. Mary Trump gained significant public attention for her critical stance toward her uncle Donald Trump. She authored the 2020 best-selling book Too Much and Never Enough: How My Family Created the World's Most Dangerous Man , which is an unauthorized biography revealing family dynamics, traumas, and financial dealings within the Trump family. The book sold nearly one million copies on its first day and was based on her personal insights, family conversations, and legal and financial documents. She was also the anonymous source for a 2018 New York Times investigation into Donald Trump's taxes
. In addition to her writing, Mary Trump has been involved in legal disputes with her uncle and other family members over inheritance and financial matters related to her grandfather Fred Trump's estate. She sued Donald Trump and others in 2020 alleging fraud over her interests in the family real estate portfolio, though the lawsuit was dismissed in 2022. Donald Trump has also sued her for providing financial documents to the New York Times
. Mary Trump is known for her outspoken criticism of Donald Trump’s presidency and policies, and she supports causes such as LGBTQ+ rights and the Black Lives Matter movement. She lives in New York with her daughter
