William O'Shea Associate


Will J. O’Shea is an associate at McCarthy, Leonard, & Kaemmerer in the litigation department.

Will has experience in business, commercial, and construction litigation as well as estate planning.

Will is a graduate of the University of Dayton in 2018 with a Bachelor’s Degree in Political Science.  He later earned his Juris Doctorate from Saint Louis University School of Law in 2021.  While at SLU, Will was actively involved in the Civil Advocacy Clinic where he gained experience in labor and employment and landlord-tenant law.

Professional Affiliations and Recognitions

Member, Missouri Bar, 2021

U.S. District Court, Eastern District of Missouri


Saint Louis University School of Law

  • JD., 2021

University of Dayton

  • BA., Political Science, 2018

Bar Admissions

Missouri Bar – 2021