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Eileen O'Neill

Practicing appellate in Houston since 1984.

42+
Years practicing
1
Bar admission

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Eileen O'Neill is an attorney based in Houston, TEXAS. The practice focuses on Appellate, Business, and Employment. Eileen has over 42 years of legal experience. Currently practicing at Ware, Jackson, Lee, O'Neill, Smith & Barrow LLP.

Based in
Houston, TEXAS
Experience
over 42 years
Known for
Appellate · Business · Employment
  • Handles Appellate, Business, and Employment matters from Houston, TEXAS.
  • Over 42 years of practice as a licensed attorney.
  • Recognized with Best Lawyers in America — Appellate Practice (2026).

About Eileen O'Neill: Eileen O'Neill is an attorney based in Houston, TEXAS. The practice focuses on Appellate, Business, and Employment. Eileen has over 42 years of legal experience. Currently practicing at Ware, Jackson, Lee, O'Neill, Smith & Barrow LLP.

Areas of practice

Practice focus

Eileen O'Neill represents clients in Houston, Texas across the following areas of law. Each area links to other verified attorneys with the same focus.

Biography

About Eileen O'Neill

Eileen is a former state trial judge who tries and appeals cases in state and federal courts for both plaintiffs and defendants. She brings a unique perspective to litigation problem-solving, having served during her career as an advocate, judge, arbitrator and mediator. Eileen also has the benefit of having sustained both substantial trial and appellate practices for 30 years. As a result, she not only knows how to try a case to win, but does so with an informed view of how to keep (or reverse) the judgment on appeal. Eileen is also an experienced advocate in both domestic and international arbitrations, a forum in which her expertise in witness examination, writing and oral argument combine perfectly.

Eileen has tried and appealed cases for large and small businesses, individuals and families. Today her practice principally involves business disputes in areas such as oil and gas, construction, corporate governance, employment, telecommunications, and real estate, though she has also handled significant personal injury and probate cases. Clients value Eileen’s ability to quickly grasp issues, find creative solutions and communicate clearly and persuasively to fact finders and decision makers.

Eileen graduated summa cum laude from the University of Houston Law Center where she served as Publications Editor for the Houston Law Review and received one of four Distinguished Student Awards. She started her career as an associate with Vinson & Elkins where she practiced for six years before being appointed to the bench. For ten years after leaving the bench, Eileen associated on large cases, such as Exxon Corp. v. Certain Underwriters at Lloyds of London (to recover for losses from the Valdez spill) and In re Estate of J. Howard Marshall II (regarding Anna Nicole Smith’s will contest), and mediated and arbitrated cases to allow her more flexibility in raising her three children. Once they were home less than she was, she returned to work full time, joining Ware, Jackson, Lee, O’Neill, Smith & Barrow, LLP as a partner in 2005.

Eileen has been certified by the Texas Board of Legal Specialization in both Civil Trial and Civil Appellate work since 1990. She is a member of the American Board of Trial Advocates (ABOTA) and serves as a representative of the Houston Chapter to the ABOTA National Board. Eileen is a fellow of the Houston and Texas Bar Foundations, and is a senior fellow of the Litigation Counsel of America. Eileen’s three children are now grown and (mostly) out of the house, so now she is also a heck of a dancer.

Credentials

Education

  • University of Houston Law Center

    — · 1984

  • University of Houston

    B.A. · 1981

Jurisdictions

Bar admissions

  • Texas

    1984 · ACTIVE

Recognition

Awards & honors

  • Best Lawyers in America — Appellate Practice

    2026

  • Best Lawyers in America — Commercial Litigation

    2026

  • Best Lawyers in America — Employment Law - Management

    2026

  • Best Lawyers in America — Additional Areas of Practice:

    2026

  • Best Lawyers in America — Arbitration

    2026

  • Best Lawyers in America — Business Organizations (including LLCs and Partnerships)

    2026

  • Best Lawyers in America — International Arbitration - Commercial

    2026

  • Best Lawyers in America — Trusts and Estates

    2026

Locations

Office locations

Main office

Ware, Jackson, Lee, O'Neill, Smith & Barrow LLP

2929 Allen Parkway

Houston, Texas 77019

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Client reviews

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Frequently asked

Common questions

  • What areas of law does Eileen O'Neill practice?

    Eileen O'Neill focuses on Appellate, Business, Employment, and Litigation.

  • Where is Eileen O'Neill located?

    Eileen O'Neill primarily serves clients in Houston, Texas, with an office at 2929 Allen Parkway.

  • How experienced is Eileen O'Neill?

    Eileen O'Neill has 42 years of legal practice, having been licensed since 1984.

  • Is Eileen O'Neill a verified attorney?

    Eileen O'Neill's profile is listed but has not yet been claimed by the attorney. Verification status is pending.

  • How can I schedule a consultation with Eileen O'Neill?

    You can book a consultation through LawyersListed directly from this page. Initial outreach can also be made by phone at 713-659-6400.