Olivia St. Clair Long

Top rated Family Law attorney in Evanston, Illinois

O. Long Law, LLC
Olivia St. Clair Long
O. Long Law, LLC

Practice areas: Family Law

Licensed in Illinois since: 2010

Education: The University of Chicago Law School

Selected to Super Lawyers: 2026
Free Consultation

O. Long Law, LLC

909 Davis St
Suite #500
Evanston, IL 60201 Phone: 847-556-8846 Email: Olivia St. Clair Long Visit website

Olivia St. Clair Long is a Family Law attorney working in Evanston, Illinois. Olivia St. Clair Long works as an attorney at O. Long Law, LLC.

As one of a small number of attorneys selected to Super Lawyers, Olivia St. Clair Long gained this recognition through professional achievement, peer recognition, and other distinguishing criteria.

She graduated from The University of Chicago Law School in 2009. She was subsequently admitted to legal practice in 2010 after passing the bar exam.

First Admitted: 2010, Illinois

Professional Webpage: https://olonglaw.com/about-us/olivia-long/

Bar / Professional Activity

  • Illinois bar admission, 2010
  • Northern District of Illinois bar admission, 2011
  • California bar admission, 2010

Pro bono / Community Service

  • Lyric Opera Young Professionals Board Member at Large, 2025
  • Illinois State Bar Association: Member of Sexual Orientation and Gender Identity committee., 2022
  • Board Member at Lilac Tree (divorce education organization)., 2025
  • Producer of 72nd annual Revue at the Woman's Club of Evanston, benefiting the Ted Fund., 2025
  • Judicial Evaluation Committee: Lesbian and Gay Bar Association of Chicago, 2025
  • Referral Panel member at Lilac Tree (divorce education organization)., 2024
  • Creative Director of 71st annual Revue at Woman's Club of Evanston, benefiting the NorthLight Theatre., 2024
  • Judicial Evaluation Committee: Lesbian and Gay Bar Association of Chicago, 2024
  • Judicial Evaluation Committee: Lesbian and Gay Bar Association of Chicago, 2023
  • Referral Panel member at Lilac Tree (divorce education organization)., 2023
  • Judicial Evaluation Committee: Lesbian and Gay Bar Association of Chicago, 2022
  • Creative Director of 70th annual Revue at Woman's Club of Evanston, benefiting the Community Grants fund., 2022
  • Referral Panel member at Lilac Tree (divorce education organization)., 2022

Educational Background

  • The University of Texas, Austin, BA (Classics) 2004. Varsity Rowing., 2002-2004
  • University of CA, Irvine. Varsity Rowing., 2001-2002

Scholarly Lectures / Writings

  • Presented by Chicago Volunteer Legal Services. , Moderator, Best Practices for Attorneys Representing Children, Legal, 2020
  • Presented by the Circuit Court of Cook County. , Speaker, Interviewing Children as a GAL, Legal, 2020
  • Presented by Connections Health., Speaker, Making Peace with your Divorce, Legal, 2021
  • Presented by the Purse Strings podcast. , Speaker, Life Transitions After Divorce, Legal, 2022
  • Presented by the Women's Bar Association of Illinois and the Lady Lawyers who Lunch. , Moderator, Judicial Panel on Family Law Matters, Legal, 2021
  • Presented by The Lilac Tree. , Speaker, Divorce University, Legal, 2022
  • Presented by the Purse Strings podcast. , Speaker, Women & Money: The Shit We Don't Talk About, How to Prepare Yourself for Divorce, Legal, 2023
  • Presented by the Women's Bar Association of Illinois and the Lady Lawyers who Lunch. , Moderator, Judicial Panel on Family Law Matters, Legal, 2023
  • Presented by The Lilac Tree., Speaker, Divorce University: LGBTQ+ Considerations in Separation and Divorce, Legal, 2023
  • Presented by the Women's Bar association of Illinois and the Lady Lawyers who Lunch. , Moderator, Judicial Panel on Family Law Matters, Legal, 2024
  • Presented by the Lady Lawyers who Lunch., Speaker, Decoding Hourly Billing for Attorneys, Legal, 2024
  • Presented by the Illinois State Bar Association: Sexual Orientation and Gender identity Committee. Ten years ago, Illinois took a monumental step toward equality by legalizing same-sex marriage. On November 20, 2013, then-Governor Pat Quinn signed the Illinois Religious Freedom and Marriage Fairness Act into law, making Illinois the 16th state to recognize marriage equality. The law officially took effect on June 1, 2014, marking the beginning of a new chapter for countless families across the state. As we look back on this decade of progress, we celebrate the resilience of those who championed this cause and its positive impact on Illinois families., Speaker, Ten Years of Marriage Equality in Illinois: A Retrospective, Legal, 2024
  • Presented by the Illinois Human Rights Commission. Ten years ago, Illinois took a monumental step toward equality by legalizing same-sex marriage. On November 20, 2013, then-Governor Pat Quinn signed the Illinois Religious Freedom and Marriage Fairness Act into law, making Illinois the 16th state to recognize marriage equality. The law officially took effect on June 1, 2014, marking the beginning of a new chapter for countless families across the state. As we look back on this decade of progress, we celebrate the resilience of those who championed this cause and its positive impact on Illinois families., Speaker, Ten Years of Marriage Equality in Illinois: A Retrospective, Legal, 2024
  • Presented by Loyola University School of Law, Olivia was a panelist for the conference. , Panelist, Women in the Law Conference, Legal, 2025
  • Presented by The Lilac Tree, this presentation goes over how to approach, breakdown, complete, and conquer the Financial Affidavit form. , Speaker, What is a Financial Affidavit?, Legal, 2025
  • Presented by Bielski Chapman, Ltd., this presentation goes over information regarding Orders of Protection and Stalking/No Contact Orders. , Speaker, Orders of Protection and Stalking/No Contact Orders, Legal, 2025

Other Outstanding Achievements

  • Initiated University of Chicago GRAD's Legal Liaison program, offering free legal assistance to graduate students at the University of Chicago., 2019
  • Served as sole attorney in University of Chicago GRAD's Legal Liaison program, offering free legal assistance to graduate students at the University of Chicago., 2024
  • Served as sole attorney in University of Chicago GRAD's Legal Liaison program, offering free legal assistance to graduate students at the University of Chicago., 2023
  • Served as sole attorney in University of Chicago GRAD's Legal Liaison program, offering free legal assistance to graduate students at the University of Chicago., 2021
  • Served as sole attorney in University of Chicago GRAD's Legal Liaison program, offering free legal assistance to graduate students at the University of Chicago., 2020

Firm News (Newsletters)

  • Happy New Year from all of us at O. Long Law, LLC! We hope 2025 if off to a joyful and successful start for you and your family. A new year can bring new opportunities and exciting possibilities, and we're thrilled to share some recent highlights as we kick off the year together. , January 2025 Newsletter, Legal
  • February is a time to honor the past, celebrate the achievements of today, and embrace the power of love in all its forms. This month, we recognize Black History month, strengthen our community connections, and spread kindness through purposeful action. It's also a time to celebrate Valentine's Day, a reminder of the love we share with family, friends, and our broader community. , February 2025 Newsletter, Legal
  • With spring around the corner, March bring a renewed sense of community, giving, and joy. This month, O. Long Law Cares is thrilled to support the Women's Club of Evanston's Annual Benefit Show, an event dedicated to raising funds for the Ted Fund, which provides summer camp opportunities to Evanston's District 65 children. , March 2025 Newsletter, Legal
  • As the March Madness dusts settles, spring's energy is here and with it, some big life moments that might be showing up on your radar. If it feels like everyone's getting married, going to college, or turning 18 right now... you're not imagining it. , April 2025 Newsletter, Legal
  • As we step into May, life's pace seems to pick up. Between graduations and summer planning, future-focused conversations are everywhere. It's a time of transition for many families, and often, that shift comes with legal questions that are easier to navigate with the right guidance. , May 2025 Newsletter, Legal
  • As June arrives, the summer spirit, and a sense of celebration, is in full swing. With Pride Month events blossoming across Illinois, it's a powerful reminder that everyone deserves a community where they feel safe, seen, and supported. Whether you're stepping into parenthood through second-parent adoption or celebrating fatherhood in all its forms this Father's Day, we're here to help navigate the moments that matter. , June 2025 Newsletter, Legal
  • As July unfolds, we find ourselves in a season full of reflection. celebration, and preparation. Independence Day reminds us of the importance of autonomy; whether personal, legal, or emotional. Summer weddings are in full swing, prompting thoughtful conversations about prenups and postnups. And even though school’s out, many co-parents are already preparing for a smooth transition back-to-school in the fall., July 2025 Newsletter, Legal
  • As August comes to a close, we feel the shift from carefree summer days to preparation and planning. For many families, this means gearing up for the school year. For co-parents, August is an important time to revisit agreements and expectations. It is also the perfect moment to start thinking ahead to the holiday season, especially if shared parenting time is part of your planning. , August 2025 Newsletter, Legal

Honors

  • Best Divorce & Child Custody Lawyer 2023 (Illinois) - (Legal Elite Awards 2023 by New World Report), 2023, Best Divorce & Child Custody Lawyer 2023 (Illinois), https://newworldreport.digital/issues/legal-elite-awards-2023/11/, 2023
  • Elite Lawyer Award, https://www.elitelawyer.com/profile/11885-olivia-long, 2025
  • Best Divorce & Child Custody Lawyer 2024 (Illinois) - (Legal Elite Awards 2024 by New World Report), 2024, Best Divorce & Child Custody Lawyer 2024 (Illinois), https://newworldreport.digital/winners/o-long-law-llc-2/, 2024

Office location for Olivia St. Clair Long

909 Davis St
Suite #500
Evanston, IL 60201

Selections

1 Year Super Lawyers
  • Super Lawyers: 2026

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