Mary Claire O'Neil
as of 6/18/2026 6:10:36 AM
Mary Claire O'Neil
United Airllines
233 S. Wacker Dr
Chicago, Illinois 60606-7147
Not available
Not available
Date Admitted
November 04, 1993
Illinois Registration Status
Active and authorized to practice law
Malpractice Insurance
In annual registration, the attorney reported that the attorney, or the attorney’s firm, maintains malpractice insurance.