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Mary Beth Sullivan

Mary Beth Sullivan


Practice Areas

  • Family Law


Mary Beth Sullivan is a partner at Sullivan, Klocke, Evans & Goenawein, and an active member of the Collin and Dallas County areas. Mrs. Sullivan's practice is exclusively focused on family law matters. 

Mrs. Sullivan's uncanny intuition allows her to quickly identify and understand her client's needs and develop a litigation strategy to achieve the best possible results for each of her clients. With extensive experience in legal negotiations, Mrs. Sullivan is adept at analyzing potential exposure and minimizing risk through a measured litigation plan.

As a mother of three, Mrs. Sullivan truly understands how emotionally taxing family law litigation can be for parents and children and strives to provide peace of mind to each client through consistent and clear communication. 

Mrs. Sullivan is a graduate of Oklahoma City School of Law and was also a visiting student at the University of Memphis Cecil C. Humphrey's School of Law. She earned her bachelor's degree in History from Christian Brothers University in Memphis, Tennessee where she clerked for the Honorable Judge Robilio in the Shelby County Circuit Court, District V. 

Mrs. Sullivan is licensed in both Texas and Tennessee.  


  • Oklahoma City University School of Law, Oklahoma City, Oklahoma
    • J.D. - 2013
    • Honors: Dean's List
  • Christian Brothers University, Memphis, Tennessee
    • B.A. - 2009
    • Major: History

Bar Admissions

  • Tennessee, 2013
  • Texas, 2016

Professional Associations

  • Texas Bar Association, Family Law Member
  • Dallas Bar Association, Family Law Member
  • Collin County Women's Bar Association
  • Collin County Bar Association, Family Law Member
  • Texas Trial Lawyers Association
  • Collin County Bar Association, Attorney Moms Section – Treasurer
  • Texas Bar College

Published Works

Representative Cases


  • Best Lawyers Under 40, D Magazine – 2023

Classes & Seminars

Pro-Bono Activities

Representative Clients



  • English

Ancillary Businesses

Fraternities or Sororities

  • Phi Alpha Theta
  • Alpha Xi Delta

Certified Legal Specialties