William Cullen McMahon

15 years of practiceLicensed in TexasMcMahon Dean, PLLC, Dallas

15 years in practice
First admitted in 2011
  1. 2011 Admitted, Texas

Overview

William Cullen McMahon is an attorney admitted in Texas (since 2011), based in Dallas, TX.

This profile is built from public bar records and shows only what those records contain. William has not written or endorsed anything on this page.

Jurisdictions admitted

JurisdictionAdmittedBar numberStatus
Texas2011#24079760Active

Education

  • Oklahoma City UniversityLaw school, per the bar record

Contact and offices

McMahon Dean, PLLC

4310 N Central Expy
Dallas, TX 75206

The address and number above come from the attorney's public bar registration, which can lag a recent move. Confirm before visiting.

Sources for this profile: the Texas bar record. License status can change; check the bar's own record for the current status before hiring. Updated July 21, 2026.