Hailey E. Lyonnais

Practice Areas

Attorney Brief

Hailey Lyonnais joined Blue Williams in 2022 as an associate in the Metairie office. Her practice consists primarily of insurance defense and property and casualty litigation.


Ms. Lyonnais obtained a Bachelor of Science in political science with a double minor in biological science and psychology from Florida State University in 2017. Thereafter, she attended the Paul M. Hebert Law Center at Louisiana State University and graduated with a Juris Doctor and Diploma in Comparative Law.


Ms. Lyonnais was admitted to the bar in 2020. While in law school, Ms. Lyonnais clerked for Louisiana Municipal Association. She served as co-director of judicial relations on the Board of Advocates and competed in several transactional law competitions.

Before joining Blue Williams, Ms. Lyonnais worked as an associate at a small New Orleans law firm, where her practice focused on personal injury and a variety of other civil litigation matters.

Bar, Courts & Professional Affiliations

Ms. Lyonnais is admitted to practice before all state courts in Louisiana and the United States Eastern District Court. She is a member of the Louisiana State Bar Association and the New Orleans Bar Association.