Marion M. Reilly | Best Lawyers in Texas | HMG LLP

Marion M. Reilly

Marion brings valuable experience in appellate matters to our team. She also handles complex civil and multi-district litigation, personal injury and wrongful death cases. She has gone before the United States Court of Appeals for the Fifth and Eighth Circuits and briefed numerous matters before the United States Supreme Court.

Marion Reilly received her Juris Doctor degree from St. Mary’s School of Law in 2011. She graduated Magna Cum Laude and was inducted into St. Mary’s distinguished John M. Harlan Society, an honorary organization that recognizes students who have excelled academically and graduate in the top 10% of the class.

While at St. Mary’s, Ms. Reilly competed in numerous Moot Court competitions, winning top honors at the Emory Civil Rights and Liberties Moot Court Competition and the Federal Bar Association’s Moot Court Competition.

During her last year of law school, Ms. Reilly was inducted into the National Order of Barristers and received the Patricia L. Scott Award, which is reserved for St. Mary's most outstanding advocate. She received her bachelor of arts in legal studies and politics from Scripps College in California, where she made the Dean’s List on numerous occasions.

Marion Reilly served as a judicial intern for the Honorable Emilio M. Garza of the United States Court of Appeals for the Fifth Circuit. She wrote two bench memoranda for cases with oral arguments before the court and researched and drafted numerous civil and criminal opinions. Ms. Reilly also served as a judicial intern for the Honorable Rebecca Simmons of the Texas Fourth Court of Appeals in San Antonio. 

Bar and Court Admissions

  • Texas 2011
  • United States District Courts, Northern, Southern, Western & Eastern Districts of Texas
  • United States Court of Appeals, Fifth Circuit, Eighth Circuit


  • JD 2011, St. Mary’s School of Law, San Antonio (Magna Cum Laude)
  • BA 2009, Scripps College

Professional Associations and Accolades

  • 2018 Texas Rising Star award
  • Adjunct Professor at St. Mary's University School of Law
  • American Bar Association
  • Phi Delta Phi Legal Fraternity
  • The National Order of Barristers
  • St. Mary's School of Law Young Alumni Council "10 Under 10" Honoree
  • Texas Trial Lawyers Association
  • William S. Sessions American Inns of Court

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