JL
John Patrick Lonergan
John Patrick Lonergan is a lawyer in Peoria Heights, IL who works for Lonergan Law Group, Ltd.. Practice areas include Criminal, Family. Court admissions include Illinois Central District Court. Licensed in Texas since 2011. Graduated from Southern Illinois University in 1992.
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Law school
Bar admission
Office
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JL
John Patrick Lonergan
Lonergan Law Group, Ltd.Peoria Heights, IL·15 years licensed
Claim profileContact attorney
John Patrick Lonergan is a lawyer in Peoria Heights, IL who works for Lonergan Law Group, Ltd.. Practice areas include Criminal, Family. Court admissions include Illinois Central District Court. Licensed in Texas since 2011. Graduated from Southern Illinois University in 1992.
Law school
Southern Illinois University
Class of 1992
Bar admission
2011
State Bar of TX · No. 24076980
Office
4541 N Prospect Rd Ste 102
Peoria Heights, IL 61616
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.
- Lonergan Law Group, Ltd.AS OF MAY 2023Private Law Practice · Peoria, IL
- Lonergan Law Group, Ltd.APR 2026 — PRESENTPrivate Law Practice · Peoria Heights, IL
Case data
Case data
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Practice & jurisdiction
Practice areas
- Criminal
- Family
Courts admitted
- Illinois Central District Court
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Last refreshed Jun 2026