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Erin Webster O'Brien
also known as Erin Webster O'Sullivan
About Erin
Biography
Ms. O'Brien graduated with the highest honors from Lewis University in May 2000. She earned a Bachelor of Arts Degree, double majoring in Criminal / Social Justice and American Studies (History Department).
In 2001, Ms. O'Brien worked for Target Corporation as a human resources manager where she recruited new team members and helped run the Orland Park Target store. Ms. O'Brien then attended DePaul University College of Law and graduated with a Juris Doctor in May 2004. While a law student, she was employed at the National Anti-Vivisection Society as a legal analyst helping maintain . Ms. O'Brien also clerked with a Joliet law firm and helped maintain family, felony, and personal injury files.
Ms. O'Brien was licensed as an attorney with the Supreme Court of Illinois in November 2004 and the United States District Court for the Northern District of Illinois in January 2005. After her admittance in 2004, Ms. O'Brien was employed as an associate attorney at a Joliet law firm where she concentrated in family law, but also had litigation experience in criminal defense, personal injury, and administrative hearings. She opened her own law practice in November 2008 and concentrates on family law.
In March 2008, Ms. O'Brien earned a Professional Certification in Divorce Mediation Skills Training from the School of Continuing Studies at Northwestern University. Shortly thereafter, she branched out from the typical family law litigation and became a Fellow of Collaborative Divorce Illinois. More information about collaborative divorce can be found at .
Ms. O'Brien is active in the following organizations: Will County Bar Association; Will County Women’s Bar Association; Illinois State Bar Association; and Rotary Club of Joliet. Ms. O'Brien was the President of the Will County Bar Association for the 2019 to 2020 membership year.
Ms. O'Brien has been named a Top 40 Lawyer Under 40 in family law by the American Society of Legal Advocates for 2015, 2016 and 2017. In 2018, Erin Webster O'Brien, P.C. was honored to be a recipient of the Herald News Best of Will County Readers' Choice Award in the lawyer/law firm category in which it was voted as a top three law firm in Will County.
Practice Areas
3
Practice Areas
Fees and Rates
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Chat withLicenses
Licensed in Illinois for 21 years
State: Illinois
Acquired: 2004
No misconduct found
Location
Erin Webster O'Brien, P.C.
56 North Chicago Street, Joliet, IL, 60432
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Erin Webster O'Brien's Reviews
Avvo Review Score
41 Client Reviews
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Practice Areas
What Clients Mention
Showing 1 - 5 of 12 reviews | Practice Area Knowledge
Posted by anonymous | March 07, 2025 | Hired Attorney | Divorce & Separation
EXCELLENT representation in divorce
Erin and her team represented me in my divorce. From beginning to end she was there for me, answering questions and offering excellent legal advice that culminated in a divorce decree that put my children and their well-being at the center of everything. I HIGHLY recommend Erin and her team.
Posted by anonymous | April 26, 2024 | Hired Attorney | Child Custody
HIHGLY RECOMENDED!!!!
Erin and her team are amazing! Erin is so skilled at what she does. Erin supported me with custody/parenting plan and child support claims. She is practical, logical, gives you all your options, and supports your decisions. Erin is able to help you make rational decisions in very emotionally cha...
Posted by Jackie | November 08, 2021 | Hired Attorney | Divorce & Separation
Erin Webster O’Brien is the Real Deal!
Needing a divorce attorney quickly is scary! Worrying about all the what if’s causes many sleepless nights. Finding an attorney that can help you navigate the muddy waters and getting you to the other side of the chaos may seem impossible. Well, it’s not impossible! Just call the office of Erin Webst...
Posted by Jimmy | August 05, 2014 | Divorce & Separation
Very impressive!!
If you are looking for a detailed oriented go getter, look no further. Erin reviewed my agreement that was written up by my soon to be ex- wife's attorney. In short, she read every word of my agreement with passion to help me. She read through the standard language that I was expecting to pass throu...
Posted by Trevor | October 02, 2011 | Divorce & Separation
Great lawyer
Ms. O'Sullivan handled my divorce case for me. She and her staff were very attentive to the specifics of my situation. They were reachable in many different ways and were always quick to get back to me with an informative answer. On the final court date, Ms. O'Sullivan was a very calming force in ...
Erin Webster O'Brien's Lawyer Endorsements
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"I have found Erin to be knowledgeable and compassionate towards her clients, as well as well-prepared and professional. She fights for her clients but maintains high integrity."
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"I endorse this lawyer. Erin is an excellent attorney who works hard to meet her client's needs and goals."
"I endorse this lawyer. Ms. O'Sullivan is an excellent family law attorney and mediator."
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"Ms. O'Sullivan exhibits civility and reasonableness in dealing with opposing parties and opposing counsel while zealously representing her clients."
"In my experience as opposing Counsel, and as a fellow Lawyer in the community, I have discovered that Erin Webster O’Sullivan is an extraordinary individual. She is highly intelligent, most competent, exceptionally professional, and wise beyond her years. Given the context of our practice in family law, I find it a delight to work with Erin because I know that she is interested in the equitable, reasonable, and expeditious resolution of her Client’s issues. Therefore, I hereby give Mrs. Erin Webster O’Sullivan my very highest recommendation."
"I've known Erin for many years. She is a very hard-working, effective attorney. She really cares about doing the right thing for her clients and is very well respected in the legal community."
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Experience
Honors
2021
Avvo 10.0 Superb Rating, Avvo
2020
3 Best Divorce Lawyers in Joliet, IL, Three Best Rated
2019
Top 10 Family Law Attorney, Attorney and Practice Magazine
2018
Best of Will County Readers' Choice Award in law firm category, Herald News
2017
Top 40 Under 40 in Matrimonial and Family Law, The American Society of Legal Advocates
2016
Top 40 Under 40 in Matrimonial and Family Law, The American Society of Legal Advocates
2016
10 Best for Client Satisfaction, American Institute of Family Law Attorneys
2015
Top 40 Under 40 in Matrimonial and Family Law, The American Society of Legal Advocates
2008
Professional Certification in Divorce Mediation Skills Training, School of Continuing Studies at Northwestern University
Work Experience
2015 - Present
Owner, Erin Webster O'Brien, P.C.
2008 - 2015
Owner, Erin Webster O'Sullivan, P.C.
2007 - 2008
Mock Trial Coach, Lewis University
2004 - 2008
Associate Attorney, Chuck Bretz & Associates, P.C.
Associations
2009 - Present
Will County Women's Bar AssociationMember
2008 - Present
Collaborative Divorce IllinoisFellow
2004 - Present
Will County Bar AssociationMember
2004 - Present
Illinois State Bar AssociationMember
2019 - 2020
Will County Bar AssociationPresident
2009 - 2023
Rotary Club of JolietMember
Education
2004
DePaul University College of Law
Juris Doctor
2000
Lewis University
Bachelor of Arts