We bring our knowledge and experience to create flexible and long lasting solutions to legal issues faced by our clients, especially those with disabilities and the elderly, with compassion and encouragement for their autonomy and dignity.


  • We seek to create enduring relationships with our clients and their loved ones,  and with our communities. 

  • We advocate for the security and quality of life for vulnerable populations.

  • We are recognized as trusted counselors by our peers and the public. 

Mary E. O'Byrne


Owner Mary E. O’Byrne has always had a passion for serving those in need.  She began her career in the health insurance and managed care industries but soon discovered that she most wanted to help people rather than corporations.   For over eighteen years,  Mary has concentrated in estate and special needs planning,   and is a tireless advocate for the financial independence for people with disabilities.   

Mary is a frequent teacher and speaker on these topics for the Maryland State Bar Association and other state and national educational forums;  she also serves as an adjunct professor at the University of Baltimore School of Law.

Admitted to the Maryland bar, Mary is a member of the Special Needs Alliance (currently serving on the board of directors) and the National Academy of Elder Law Attorneys (NAELA). She serves on the board of directors of NAMI-Metro Baltimore and is currently the Vice President of the Board.   She is a member of the Maryland State Bar Association and the Baltimore County Bar Association.

Mary is a graduate of Yale College, received her Masters in Business Administration from the University of North Carolina-Chapel Hill, and received her Juris Doctor degree from the University of Maryland School of Law, graduating Order of the Coif. 

Sage C. Hart


O’Byrne Law, LLC announces the appointment of Sage C. Hart as Partner.


Sage is an attorney with O'Byrne Law, LLC.  She focuses her practice on estate and special needs planning, trust administration, and guardianship. Sage helps clients plan for the future by preparing legal documents that provide clear instructions and accurately reflect the client's wishes.  She listens to her clients and tailors her advice to her client's goals and circumstances.  She also advises fiduciaries serving in the role of guardian, agent or trustee.

Sage is admitted to the Maryland bar.  She is also a member of the Special Needs Alliance, the National Academy of Elder Law Attorneys and the Maryland State Bar Association.  She currently serves as Vice President of the Board for the First Maryland Disability Trust.


Sage received her Juris Doctor degree, cum laude, from University of Maryland School of Law. During law school, she earned a certificate in Health Law, served as Editor-in-Chief of the Journal of Health Care Law & Policy and was a member of the Public Health Clinic.  She was also awarded the Dean's Award and the William P. Cunningham Award in recognition of her leadership and service to the law school community.  Prior to attending law school, Sage received her undergraduate degree, cum laude, from Tufts University.

Since 2013, Mary has led the Special Needs Trust Advocates group in meeting with the Social Security Administration.  In 2015, she was appointed to the Governor’s Task Force on ABLE Accounts.   She served as the first Executive Director and Trustee of the First Maryland Disability Trust, a pooled asset special needs trust for people with disabilities.    


  • Recognized by Super Lawyers in 2017, 2018, 2019 & 2020.  

  • In 2011,  she was named Chapter Member of the Year,  Maryland by the MD/DC Chapter of the National Academy of Elder Law Attorneys.

Sage is dedicated to her clients.  She provides high quality legal services to each of her clients with the result that she builds trusted relationships with her clients and their families.


  • Recognized as Super Lawyers Rising Star in Estate Planning and Probate in 2020.

Ricky received the Volunteer of the Year Award in 2018 from the Bar Association of Baltimore City Senior Legal Services Committee, was named a Generation J.D. Leadership in Law winner by The Daily Record in 2019, and was named a Super Lawyers Rising Star in Estate Planning and Probate in 2019 and 2020.


  • Board Member, Baltimore County Provider Council

  • Board Member, Maryland LGBT Chamber of Commerce

  • Advisory Board for the LGBTQ Fund of the Baltimore Community Foundation

  • Maryland State Bar Association

  • Bar Association of Baltimore City

  • Baltimore County Bar Association

  • National LGBT Bar Association

  • LGBTQ Bar Association of Maryland

  • Baltimore Estate Planning Council

  • Coalition of Geriatric Services

  • Geriatric Assistance Information Network

  • Maryland Gerontological Association.

Richard “Ricky” Adams

Richard “Ricky” Adams is an associate attorney with O’Byrne Law, LLC. Ricky’s approach to the practice of law incorporates a holistic and compassionate form of advocacy. He enjoys working with clients of all ages, backgrounds, and needs, and his practice includes assisting with the legal needs of same-sex couples and other members of the LGBTQ community.


Ricky patiently provides legal guidance and support to all of his clients, whether they are a married couple with new children on the way, or are transitioning from an active adult lifestyle to retirement and beyond.


Licensed to practice in Maryland, Ricky received his Juris Doctor from the University of Baltimore School of Law and earned his B.S. in Gerontology and Legal Studies at the University of Maryland University College. He recently earned a Certificate in Estate Planning from UB Law. He has experience in administering Trusts and Estates in a cost-effective manner, working to preserve the assets for the heirs, beneficiaries, and other family members through counsel and advice regarding distributions and associated rights.


At O’Byrne Law, Ricky’s practice is focused in the following areas of estate planning:

  • Elder law

  • Medicaid planning

  • Estate, probate & trust administration

  • Adult guardianship

  • Special needs planning.  

All of the attorneys at O’Byrne Law, LLC strongly believe in giving back to their community by providing pro bono legal services. They actively volunteer with several groups, including Maryland Legal Aid, Maryland Volunteer Lawyers Service, FreeState Justice, Pro Bono Resource Center of Maryland, and the Senior Legal Services of the Bar Association of Baltimore City.


Padonia Centre

30 E. Padonia Road, Ste. 306

Timonium, MD  21093

Phone: 410-667-0020 | Fax: 410-667-7841

Copyright 2019 O'Byrne Law, LLC