Margaret Mary O'Brien
as of 6/18/2026 7:36:53 AM
Margaret Mary O'Brien
Winnebago County State's Attorney's Office
400 W State Street
Rockford, Illinois 61101
(815) 334-4159
mo'brien@sao.wincoil.gov
Date Admitted
November 10, 2016
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.