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Alyssa Noelle Mattingly
Alyssa Noelle Mattingly is a lawyer in McKinney, TX who works for Collin County District Attorney's Office. Practice areas include Criminal. Licensed in Texas since 2022. Graduated from Baylor University in 2022.
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Law school
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Office
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Alyssa Noelle Mattingly
Collin County District Attorney's OfficeMcKinney, TX·3 years licensed
Claim profileContact attorney
Alyssa Noelle Mattingly is a lawyer in McKinney, TX who works for Collin County District Attorney's Office. Practice areas include Criminal. Licensed in Texas since 2022. Graduated from Baylor University in 2022.
Law school
Baylor University
Class of 2022
Bar admission
2022
State Bar of TX · No. 24123788
Office
2100 Bloomdale Rd, Suite 100
McKinney, TX 75071
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.
- O'Neil Wysocki Family LawAS OF MAY 2023Private Law Practice · Dallas, TX
- Collin County District Attorney's OfficeAPR 2026 — PRESENTPrivate Law Practice · McKinney, TX
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Case data
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Practice & jurisdiction
Practice areas
- Criminal
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Last refreshed Jun 2026