Lillian M. O'Neill - a Chicago, Illinois (IL) Family Law Lawyer

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Chicago Family Law Lawyer

Updated: 07/01/2026

Areas of Practice

Family Law
Child Support
Custody & Visitation
Divorce
High Asset Divorce

Attorney Information

Education

Legal Education

DePaul University College of Law, Chicago, Illinois, 2023
J.D.
Honors: Certificate in Family Law
Honors: Child and Family Law Association, Executive Board Member
Honors: DePaul Law Advocate
Honors: DePaul University Advisory Board, Member
Honors: Domestic Violence Practicum, Volunteer

Non Legal Education

University of Illinois, Urbana-Champaign, 2020
B.S.

Current Employment Position(s)

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Associate Attorney
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Bar Admissions

Illinois, 2023
U.S. District Court Northern District of Illinois, 2024
U.S. Court of Appeals 7th Circuit, 2024

Other Affiliations

U.S. Department of State, Hague Convention Attorney Network

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Contact

Chicago, IL

33 North Dearborn Street
Suite 1850
Chicago, IL 60602

Directions

Phone Number: 312-288-8985

Fax Number: 312-726-2385

Email: Send a message

Websites:

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Lillian M. O'Neill - Chicago, IL