Chicago 312-214-7900 | Cleveland 440-953-8888 | New York 646-933-1000 | St. Louis 314-332-1500 | Washington, DC 202-975-2288

Mary P. McKenna

Mary is an experienced litigator who has achieved meaningful relief for people suffering harm from products, environmental hazards, and unfair practices by large corporations.

Contact Information

Mary is an experienced litigator in mass tort and complex litigation. She has represented clients in a wide range of matters, including serious personal injury, products liability, and environmental litigation. Prior to joining DiCello Levitt, Mary litigated mass toxic tort claims pending in Chicago and the greater Midwest. She began her legal career practicing insurance defense in Virginia.

Mary’s passion for justice extends beyond the courtroom. She is a member of the Shriver Center on Poverty Law’s Professionals’ Council, which assists the Shriver Center’s fight for economic and racial justice through fundraising efforts and advocacy. In law school, Mary was selected to participate in the Lott Leadership Graduate Exchange Program with Nelson Mandela University in South Africa, where she studied societal and racial reconciliation in Mississippi and South Africa on local and national levels. She was also an elected student senator and an executive board member of the Mississippi Law Journal.


  • American Jurisprudence Award in Federal Trial Practice and Alternative Dispute Resolution, University of Mississippi School of Law
  • Robert C. Khayat Award for outstanding service to the Mississippi Law Journal, University of Mississippi School of Law


  • Shriver Center on Poverty Law – Professionals’ Council member

Practice Areas

  • Antitrust Litigation
  • Environmental Litigation
  • Products Liability
  • Whistleblower, Qui Tam, False Claims Act


  • University of Mississippi, J.D., cum laude
  • University of Illinois, B.A., cum laude

Bar Admissions

  • Illinois
  • Virginia

Justin J. Hawal


Adam Prom