Shamus Cassidy 

Shamus B. Cassidy is the Manager and Founder of Cassidy Law, Ltd.  Shamus concentrates his practice in the areas of estate planning, disability/special needs planning, probate, elder law, taxation, asset protection, corporate, business, and real estate matters. 

Concerning his business practice, Shamus represents small to medium-sized business entities and other organizations in a variety of industries and professions, including many family businesses, restaurants, dental/medical practices, and franchises. As a part of his business practice, Shamus utilizes his estate and succession planning experience to help his clients' achieve their business, retirement, and estate planning goals. 

Shamus is licensed to practice in all Ohio courts, the United States District Court for the Southern District of Ohio, and the United States Tax Court.

  • Law degree from Capital University Law School (J.D., magna cum laude)
  • Bachelor’s degree from the Ohio State University (B.A., magna cum laude)
  • Professional Advisors Group of the Catholic Foundation for the Columbus Diocese
  • Professional Council of the Columbus Foundation, and the Worthington Estate Planning Council
  • Columbus and Ohio State Bar Associations.

He is married to Nicole Cassidy, a Certified Public Accountant practicing in Hilliard, Ohio.  They are active in St. Brendan the Navigator Church and they reside in Dublin, Ohio, where they raise their three children: Collin, Aiden, and Kayla.

Mara C. Smith, Of Counsel

Mara C. Smith is Of Counsel at Cassidy Law, Ltd.  Mara concentrates her practice in the areas of corporate, business, probate, elder law, estate planning, disability/special needs planning, real estate, taxation, and asset protection matters.  Mara is licensed to practice in the State of Ohio.  She is a graduate of Siena College (B.S. in Economics, magna cum laude) and the Ohio State University Moritz College of Law (J.D.).  While at the Moritz College of Law, Mara was an Editor of the Journal on Dispute Resolution.

Mara is an active volunteer in the Dublin City Schools and at St. Mark's Episcopal Church.  She enjoys tennis, skiing, and spending time with family.  Mara lives in Dublin, Ohio, with her husband, Greg, and their three young children.


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