WJ
William Wilson Johnston
William Wilson Johnston is a lawyer in Dallas, TX who works for Loncar Lyon Jenkins LLC. Court admissions include Fifth Circuit Court of Appeals, Texas Western District Court. Licensed in Texas since 1982. Graduated from Baylor University in 1982.
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Law school
Bar admission
Office
Disciplinary
WJ
William Wilson Johnston
Loncar Lyon Jenkins LLCDallas, TX·43 years licensed
Claim profileContact attorney
William Wilson Johnston is a lawyer in Dallas, TX who works for Loncar Lyon Jenkins LLC. Court admissions include Fifth Circuit Court of Appeals, Texas Western District Court. Licensed in Texas since 1982. Graduated from Baylor University in 1982.
Law school
Baylor University
Class of 1982
Bar admission
1982
State Bar of TX · No. 10846700
Office
2320 Reagan St
Dallas, TX 75219
Disciplinary
None on record
Clean since admission
Career history
2 observed firms
Based on State Bar of Texas snapshots — each row is a firm the attorney was registered with at one of our quarterly pulls.
- William W. Johnston Attorney at LawAS OF MAY 2023Private Law Practice · Plano, TX
- Loncar Lyon Jenkins LLCAPR 2026 — PRESENTPrivate Law Practice · Dallas, TX
Case data
Case data
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Practice & jurisdiction
Courts admitted
- Fifth Circuit Court of Appeals
- Texas Western District Court
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Last refreshed Jun 2026