Born and raised in Elizabeth, New Jersey, Long graduated from Benedictine Academy in 1959, and from Dunbarton College of the Holy Cross in 1963.
She was nominated by Governor Christine Todd Whitman on June 17, 1999, to serve on the New Jersey Supreme Court.
She retired from the New Jersey Supreme Court on March 1, 2012, and was subsequently appointed chair of the NJ Advisory Committee on Judicial Conduct.
[2] In 2018, she was appointed by New Jersey Governor Phil Murphy as a member of the Judicial Advisory Panel,[3] and has been additionally appointed in 2022 by the Supreme Court of New Jersey to chair the newly created Committee to Analyze Duration of Disbarment.
Long is married to Jonathan D. Weiner, a partner at Fox Rothschild, and has three children, Bernardita, John, and Jane.