Mary Ann Aiello


With more than 35 years of experience, Mary Ann has cultivated a sterling reputation as a matrimonial and family law attorney. Her abilities as an advocate, mediator and trial lawyer and her honest, ethical approach to practicing law have earned her the utmost respect from both the bar and the bench. Mary Ann's clients benefit from her ability to see solutions to a problem and craft a resolution that frequently results in settlements of the most complex issues that arise in divorce cases. Due to her reputation, Mary Ann is frequently referred cases by matrimonial attorneys, judges and even the ex-spouses of her former clients who considered her advocacy effective and professional.

Focusing on matrimonial and family law for more than 3 decades, Mary Ann has handled countless cases and reached a resolution for parties in need of a divorce or other family law matter, including prenuptial and postnuptial agreements, determinations and modifications of custody, awards and modifications of child support and spousal maintenance, neglect proceedings and orders of protections.

Although settlement is always the first priority, by considering each matter along two parallel tracks, Mary Ann is always building the foundation for a strong presentation at trial if the matter cannot be resolved amicably. She has conducted many trials and hearings resulting in favorable outcomes for her clients.

As a leader in the legal community in Nassau County, Mary Ann has held many positions in local bar associations. Most recently, Mary Ann was the 2015-2016 Dean of the Nassau Academy of Law which is the arm of the Nassau County Bar Association responsible for overseeing Continuing Legal Education programming. She is a Master and the 2015-2017 President of the New York Family Law Inn of Court which is a selective group of matrimonial attorneys that focuses on raising the civility, professionalism and ethics of family law practitioners. Previously, Mary Ann was the President of the Nassau County Women's Bar Association and a delegate to the New York State Women's Bar Association, and her work on behalf of the Women's Bar has been awarded and honored.

In order to recharge, Mary Ann enjoys travel, cooking & reading. When she is not traveling, Mary Ann splits her time between her home here on Long Island and her lake house in the Berkshires where she and her husband of more than 40 years treasure the time they spend with their 3 children and 8 grandchildren.