Mary C. Youssi

Mary Catherine Youssi joined the firm as an Associate Attorney in June 2016 following her graduation from Marquette University Law School. Her practice includes the defense of general liability and medical malpractice matters.  She also represents petitioners in adult guardianship matters and serves as Guardian ad Litem in Milwaukee County in Chapter 51, 54, and 55 cases.

Mary started at the firm in 2014 as a Law Clerk after her first year of law school. As a law student, Mary received certificates in both Litigation Practice and Alternative Dispute Resolution. She was involved in the Marquette Benefits and Social Welfare Law Review and the Marquette Moot Court Association, obtaining intramural and national titles.

When not focusing on the practice of law, Mary is the Assistant Director of the Milwaukee Irish Dance Company, a coach and judge for Marquette Law School Moot Court, and an Irish dance instructor at the Milwaukee Academy of Irish Dance.


Areas of Practice
Medical Malpractice Defense, General Liability Defense, Premises Liability Defense, Adult Guardianship/Protective Placement, GAL for Ch. 51, 54, & 55 

J.D. – Marquette University Law School 2016
B.A. – UW-Milwaukee 2013 (Majors: English & Political Science, Minor: Spanish)

Professional Affiliations
Wisconsin State Bar Association, Wisconsin Defense Counsel

All Wisconsin State Courts, U.S. District Court for the Eastern District of Wisconsin



  • Medical Malpractice Defense 50% 50%
  • Adult Guardianship & Protective Placement 30% 30%
  • General & Premises Liability Defense 20% 20%