Atty. Mark Joseph Byrne

Atty. Mark Joseph Byrne

Mark Joseph Byrne is a lawyer practicing criminal law, family law. Mark received a B.S. degree from University of Tulsa in 1996, and has been licensed for 25 years.

St. Louis St. Louis 25 yrs experience 25 year
Call (314) 788-7798 Book Appointment

Profile Summary

About Mark Joseph Byrne at a glance

Mark Joseph Byrne is a criminal defense and family law attorney based in St. Louis, Missouri. They have 25+ years of legal experience, licensed to practice since 2001. Admitted to practice in Missouri (2001). Educated at University of Toledo (J.D., 2001) and University of Tulsa (B.S., 1996). Serands clients in St. Louis, MO and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark Joseph Byrne is a lawyer practicing criminal law, family law
  • Mark received a B.S. degree from University of Tulsa in 1996, and has been licensed for 25 years
  • Mark practices in St. Louis, MO

Practice Areas Explained

Mark Joseph Byrne's Areas of Practice

Each practice area below reflects the types of cases Mark Joseph Byrne handles, with a brief overview of what that area of law covers.

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

Mark Joseph Byrne is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Missouri →

Family Law

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

Mark Joseph Byrne is one of 187,066 family law attorneys indexed nationally. Browse family law attorneys in Missouri →

Jurisdictional Context

Why local counsel matters in Missouri

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

Looking for additional Missouri attorneys? Browse all attorneys in St. Louis or all attorneys in Missouri.

Frequently Asked

Common questions about Mark Joseph Byrne

Where is Mark Joseph Byrne's law office located?
Mark Joseph Byrne's law practice is located in St. Louis, Missouri. You can contact the office directly through this profile page.
What practice areas does Mark Joseph Byrne handle?
Mark Joseph Byrne focuses on criminal defense, family law. Each practice area listed reflects experience handling cases of that type in Missouri.
How long has Mark Joseph Byrne practiced law?
Mark Joseph Byrne has 25+ years of legal experience and has been licensed since 2001.
Where did Mark Joseph Byrne go to law school?
Mark Joseph Byrne earned their education at (J.D., 2001); (B.S., 1996).
How can I contact Mark Joseph Byrne for a consultation?
You can contact Mark Joseph Byrne 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.

Practice Areas

Education

J.D.
University of Toledo
- 2001
B.S.
University of Tulsa
- 1996

Bar Admissions

Missouri
Admitted: 2001

Reviews

These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.