About
Mary Ellen O’Connor has more than 15 years of legal experience representing clients throughout New York City, Westchester County, Long Island, and the Hudson Valley. Her practice focuses on New York Workers’ Compensation Law and Social Security Disability Law. She is known for providing dependable legal guidance while helping injured and disabled individuals pursue the benefits they need during difficult periods.
Mary earned a B.A. from SUNY Albany before continuing her education with an M.S. from Mt. St Vincent College. She later received her J.D. from CUNY School of Law. Her academic background helped build strong research, advocacy, and communication skills that continue to support her legal work with clients facing complex claims and legal proceedings across New York.
Mary works closely with individuals who need assistance handling Workers’ Compensation matters and Social Security Disability claims. She is recognized for her detailed understanding of these legal areas and for staying committed to her clients throughout every stage of the process. Her approach combines careful preparation with practical legal strategies designed to help clients understand their rights and legal options clearly.
Mary also remains active within the legal community through professional organizations connected to Workers’ Compensation law. She serves on the Board of Directors of the Injured Worker’s Bar Association and the Workers’ Compensation Alliance. These leadership roles reflect her ongoing involvement in the legal field and her dedication to staying informed about developments affecting injured workers and disability claimants throughout New York.
Mary Ellen O’Connor continues to represent clients with a client-focused approach built on experience, preparation, and personal attention. She works to help individuals navigate legal challenges involving workplace injuries and disability claims while maintaining clear communication throughout each case. Her long-standing commitment to advocacy and service has helped many clients seek fair outcomes and move forward with greater confidence.
Law Office Affiliations
- Of Counsel, McMillan Constabile Foster & Perone, LLP
- Member, Injured Worker’s Bar Association
- Member, Worker’s Compensation Alliance
Licensed State
- New York
Education
- CUNY School of Law
Juris Doctor (JD) - Mt. St Vincent College
Master of Science (MS) - SUNY Albany
Bachelor of Arts (BA)
Awards & Badges

- Social Security & Disability
- Workers' Compensation




