Mary Beth Sullivan

Mary Beth Sullivan

Mary Beth primarily focuses on family law and civil litigation matters. In addition to her family law practice, she has experience working on cases involving collections, commercial litigation, construction, contract disputes, DTPA, employer liability, personal injury, and premises liability. After graduating from Oklahoma City University School of Law, Mary Beth gained invaluable knowledge while working for one of the nation’s largest insurance companies. With a focus on property and casualty insurance, she understands the intricacies of the claims process and coverage analysis.

Mary Beth earned her Bachelor of Arts in History from Christian Brothers University in Memphis, Tennessee. She was a member of the Phi Alpha Theta honor society and a student-athlete as a member of the Christian Brothers Women’s Tennis Team.
In her free-time she enjoys spending time with her husband, Jeremy and son, Archer.


  • Member, Collin County Bar Association
  • Member, Collin County Women’s Lawyer Association
  • Member, Texas Trial Lawyers Association 


  • J.D., Oklahoma City University School of Law, 2013 
  • B.A., Christian Brothers University, 2009 

Bar Admissions:

  • State Bar of Tennessee
  • State Bar of Texas