MM
Mark Preston McMahon
Mark Preston McMahon is a lawyer in Longview, TX who works for Erskine & McMahon, LLP. Practice areas include Litigation: Personal Injury. Court admissions include Fifth Circuit Court of Appeals, Texas Eastern District Court. Licensed in Texas since 1977. Graduated from St. Mary's University in 1976.
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MM
Mark Preston McMahon
Erskine & McMahon, LLPLongview, TX·49 years licensed
Claim profileContact attorney
Mark Preston McMahon is a lawyer in Longview, TX who works for Erskine & McMahon, LLP. Practice areas include Litigation: Personal Injury. Court admissions include Fifth Circuit Court of Appeals, Texas Eastern District Court. Licensed in Texas since 1977. Graduated from St. Mary's University in 1976.
Law school
St. Mary's University
Class of 1976
Bar admission
1977
State Bar of TX · #13776500
Office
PO Box 3485
Longview, TX 75606
Disciplinary
None on record
Clean since admission
Practice, Courts & Credentials
Practice areas1 listed
Litigation: Personal Injury
Courts admitted4 total
Fifth Circuit Court of Appeals
Texas Eastern District Court
Texas Western District Court
US Supreme Court
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Last refreshed Sep 2026