AttorneyLeann Wainscott Diamond● 77 total views
LD

Leann Wainscott Diamond

O'Neil Wysocki·Frisco, TX·36 years licensed

Leann Wainscott Diamond is a lawyer in Frisco, TX who works for O'Neil Wysocki. Practice areas include Alternative Dispute Resolution, Family, Mediation. Board certifications include Civil Trial Law. Licensed in Texas since 1990. Graduated from Baylor University in 1990.

Claim profileContact attorney
Law school
Class of 1990
Bar admission
1990
State Bar of TX · No. 17688700
Office
7330 Stonebrook Pkwy Ste 100 # 3 Mb
Frisco, TX 75034
Disciplinary
None on record
Clean since admission
LD

Leann Wainscott Diamond

O'Neil Wysocki
Frisco, TX·36 years licensed
Claim profileContact attorney

Leann Wainscott Diamond is a lawyer in Frisco, TX who works for O'Neil Wysocki. Practice areas include Alternative Dispute Resolution, Family, Mediation. Board certifications include Civil Trial Law. Licensed in Texas since 1990. Graduated from Baylor University in 1990.

Law school
Baylor University
Class of 1990
Bar admission
1990
State Bar of TX · No. 17688700
Office
7330 Stonebrook Pkwy Ste 100 # 3 Mb
Frisco, TX 75034
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.

  1. O'Neil WysockiAS OF MAY 2023
    Private Law Practice · Dallas, TX
  2. O'Neil WysockiAPR 2026 — PRESENT
    Private Law Practice · Frisco, TX
Case data

Case data

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Practice & jurisdiction
Practice areas
  • Alternative Dispute Resolution
  • Family
  • Mediation
Courts admitted
  • Fifth Circuit Court of Appeals
  • Texas Eastern District Court
  • Texas Northern District Court
  • Texas Southern District/Bankruptcy Court
  • Texas Western District Court
Credentials
Board certification
Civil Trial Law
TBLS · Certified 2002
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Last refreshed Jun 2026