Atty. Mark Rush Williamson

Atty. Mark Rush Williamson

Mark Rush Williamson has dedicated over 25 years to guiding individuals and families through the complexities of divorce and family law. With a focus on compassionate and results-driven representation, Mark works tirelessly to help clients resolve challenging issues efficiently and move forward with confidence.

Dallas Dallas 41 yrs experience 41 year
Call (945) 899-5180 Book Appointment

Divorce & More Attorney · Serving Dallas, TX · 41+ Years Experience

Profile Summary

About Mark Rush Williamson at a Glance

Mark Rush Williamson is a Managing Partner based in Dallas, Texas, practicing at Williamson Family Law, PC. They have 41+ years of legal experience, licensed to practice since 1985. Their practice focuses on divorce, child custody, family law, and paternity. Admitted to practice in Texas (1985), U.S. Tax Court (1987), and U.S. District Court, Northern District of Texas (1990). Educated at University of Texas at Austin School of Law (J.D., 1985) and Baylor University (B.B.A. Accounting, 1982). Recognitions include AV Preeminent. Serves clients in Dallas, TX and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Mark Rush Williamson

  • Mark Rush Williamson has dedicated over 25 years to guiding individuals and families through the complexities of divorce and family law
  • With a focus on compassionate and results-driven representation, Mark works tirelessly to help clients resolve challenging issues efficiently and move forward with confidence
  • Whether navigating mediation, addressing intricate financial or custody matters, or tailoring fee structures to meet unique needs, Mark’s approach is always client-centered and solution-focused
  • Born and raised in Dallas, Texas, Mark graduated from Baylor University in 1982 and earned his law degree from the University of Texas
  • After beginning his career in tax law with an international firm, he shifted his focus to family law, establishing his own practice to support clients during some of life’s most difficult transitions
  • Outside of his legal work, Mark is a proud father of three: two daughters, an educator and a realtor, and a son who served in the Marine Corps and now works as a missionary in Budapest
  • Mark’s dedication to his clients and his family reflects his deep commitment to helping others build a brighter future

Practice Areas Explained

Mark Rush Williamson's Areas of Legal Practice

Each practice area below reflects the types of cases Mark Rush Williamson handles, with a practical overview of what that area of law involves and how it may apply to your situation in Dallas.

Divorce in Dallas

A divorce attorney guides you through property division, spousal support, custody, and the final decree — contested or uncontested.

Mark Rush Williamson is one of 50,071 divorce attorneys indexed nationally. Browse divorce attorneys in Texas →

Child Custody & Visitation in Dallas

Mark Rush Williamson is one of 30,982 child custody attorneys indexed nationally. Browse child custody attorneys in Texas →

Family Law in Dallas

Family law attorneys handle divorce, child custody, child support, adoption, prenups, and protective orders. Find verified family lawyers near you.

Mark Rush Williamson is one of 185,688 family law attorneys indexed nationally. Browse family law attorneys in Texas →

Paternity in Dallas

Mark Rush Williamson is one of 6,790 paternity attorneys indexed nationally. Browse paternity attorneys in Texas →

Jurisdictional Context

Why Local Counsel Matters in Dallas

Practicing law in Texas. Legal matters in Texas are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Dallas are typically filed in the local municipal court or the appropriate Texas state district court, depending on subject matter and amount in controversy. An attorney licensed in Texas brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Texas courts without local counsel or pro hac vice admission.

Dallas Courts and Legal Process

Choosing a Dallas-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.

Looking for additional Texas attorneys? Browse all attorneys in Dallas or all attorneys in Texas.

Frequently Asked

Common Questions About Mark Rush Williamson

Where is Mark Rush Williamson's law office located?
Mark Rush Williamson's law practice is located in Dallas, Texas. The firm is Williamson Family Law, PC. You can contact the office directly through this profile page.
What practice areas does Mark Rush Williamson handle?
Mark Rush Williamson focuses on divorce, child custody, family law, paternity. Each practice area listed reflects experience handling cases of that type in Texas.
How long has Mark Rush Williamson practiced law?
Mark Rush Williamson has 41+ years of legal experience and has been licensed since 1985.
Where did Mark Rush Williamson go to law school?
Mark Rush Williamson earned their education at (J.D., 1985); (B.B.A. Accounting, 1982).
How can I contact Mark Rush Williamson for a consultation?
You can contact Mark Rush Williamson directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Mark Rush Williamson received?
Mark Rush Williamson's notable recognition includes: AV Preeminent.

Professional Profile

Why Clients in Dallas Choose Mark Rush Williamson

Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Mark Rush Williamson's practice in the field of divorce, child custody, family law, and paternity.

Decade-Tested Legal Experience

Mark Rush Williamson brings 41+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Multi-State Bar Admission

Licensed in Texas, U.S. Tax Court, and U.S. District Court, Northern District of Texas, Mark Rush Williamson can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering divorce, child custody, and family law, Mark Rush Williamson can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Dallas

A Dallas-based practice means Mark Rush Williamson attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Case Types

Common Legal Issues Mark Rush Williamson Handles in Dallas

Below is a representative sample of the types of matters Mark Rush Williamson has experience with under Texas law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.

Divorce and property division
Family Law
Child custody and support
Family Law
Spousal support (alimony)
Family Law
Prenuptial agreements
Family Law

This list is illustrative, not exhaustive. Contact Mark Rush Williamson directly to discuss the specifics of your situation.

Search Reference

How People Find Mark Rush Williamson Online

Prospective clients searching for legal help in Dallas commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Mark Rush Williamson.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Mark Rush Williamson directly.

Education & Law School Background

J.D.
University of Texas at Austin School of Law
- 1985
B.B.A. Accounting
Baylor University
- 1982

Awards & Professional Honors

AV Preeminent

Bar Admissions & Licensed Jurisdictions

Texas
Admitted: 1985
U.S. Tax Court
Admitted: 1987
U.S. District Court, Northern District of Texas
Admitted: 1990

Client Reviews & Ratings — Mark Rush Williamson

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