MD
Mary Kay Delavan
Castroville, TX·40 years licensed
Mary Kay Delavan is a lawyer in Castroville, TX. Licensed in Texas since 1985. Graduated from St. Mary's University in 1985.
Claim profileContact attorney
Law school
Bar admission
Office
Disciplinary
MD
Mary Kay Delavan
Castroville, TX·40 years licensed
Claim profileContact attorney
Mary Kay Delavan is a lawyer in Castroville, TX. Licensed in Texas since 1985. Graduated from St. Mary's University in 1985.
Law school
St. Mary's University
Class of 1985
Bar admission
1985
State Bar of TX · No. 5725550
Office
10500 Airport Rd Ste 2
Castroville, TX 78009
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.
- Unknown firmAS OF MAY 2023Private Law Practice · San Antonio, TX
- Unknown firmAPR 2026 — PRESENTPrivate Law Practice · Castroville, TX
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Last refreshed Jun 2026