Picture of Mary Katherine Loos

Mary Katherine Loos


Mary Katherine Loos is an associate in the Baton Rouge office of Kean Miller. She joined the firm in 2021 and practices in the casualty and mass tort litigation group.


Mary Katherine earned her B.A., summa cum laude, from Louisiana State University in 2018 and was a member of Phi Beta Kappa. She earned her J.D. from LSU Law Center in 2021, where she was a winner of the 2019 Robert Tullis Moot Court Competition, admitted to Order of the Barristers, and a member of Board of Advocates.


Admitted, Louisiana


Wex S. Malone American Inn of Court