---
title: "Mark D. Chiasson | KnowJudges"
canonical: "https://knowjudges.com/kyj/judge/mark-d-chiasson-thibodaux-city-court-la"
page_type: "judge_profile"
updated: "2026-10-07"
---

# Mark D. Chiasson

Thibodaux City Court · City or Parish Court Judge

## Profile

- Court: Thibodaux City Court
- State: Louisiana
- Role: City or Parish Court Judge
- Service status: active
- Last verified: 2026-07-29

## Summary

Official statewide and applicable court procedural guidance applies to this judge.

## Biography

### Professional career

- Judge of the Thibodaux City Court in Lafourche Parish, Louisiana, elected in 2008 and serving in the judicial office since that year
- He held the role of Lafourche assistant district attorney with cases in the 17th District, First Circuit and Louisiana Supreme Court

### Education


### Additional information

- Stale term wording:** The overview calls December 2020 the end of the initial term despite a 2008 election; no current term endpoint is established by that statement.
- It records election in 2008 after father-in-law David Richard retired, and names wife Michelle and three children.
- The collected biographical information identifies Chiasson grew up in Thibodaux, graduated from Thibodaux High School, obtained a Nicholls State BA (1987) and Southern University Law Center JD (1991), and was licensed in Louisiana in 1991.
- Practice areas include estate planning, personal injury, family law and successions.
- Before becoming a judge, Mark D. Chiasson held the role of an Assistant District Attorney with the Lafourche Parish District Attorney’s Office, prosecuting cases in the 17th Judicial District Court, the 1st Circuit Court of Appeal, and the Louisiana Supreme Court

## Before you appear

- Read the judge-specific standing order first when one is listed.
- Check the docket and case orders for requirements that supersede broader guidance.
- Confirm current remote-access and courtroom technology arrangements before the proceeding.

## Courtroom Rules

### electronic or photographic presentation of evidence

Scope: statewide

Louisiana trial judges may authorize electronic or photographic means for presenting evidence, preserving the record, counsel use, or judicial-administration purposes.

Evidence excerpt: A trial judge may authorize ... the use of electronic or photographic means for the presentation of evidence

[Louisiana Code of Judicial Conduct, Canon 3A(9)](https://www.lasc.org/Court_Rules?p=CJC)
Source checked: 2026-07-26

### broadcast recording photography

Scope: statewide

Louisiana judges generally prohibit broadcasting, televising, recording, or photographing courtroom proceedings unless a Canon 3A(9) exception applies.

Evidence excerpt: a judge shall prohibit broadcasting, televising, recording, or taking photographs in the courtroom

[Louisiana Code of Judicial Conduct, Canon 3A(9)](https://www.lasc.org/Court_Rules?p=CJC)
Source checked: 2026-07-26

### appellate extended media coverage

Scope: statewide

Louisiana appellate courts may permit extended media coverage in public appellate proceedings, subject to the authority of the court and presiding judge or panel.

Evidence excerpt: An appellate court may permit broadcasting, televising, recording, and taking photographs of public judicial proceedings

[Louisiana Code of Judicial Conduct, Canon 3A(9)](https://www.lasc.org/Court_Rules?p=CJC)
Source checked: 2026-07-26


## Sources

- [Official profile](https://www.lasc.org/press_room/annual_reports/reports/2025_Guide_to_Louisiana_Courts.pdf)
- [Official roster](https://www.lasc.org/press_room/annual_reports/reports/2025_Guide_to_Louisiana_Courts.pdf)
- [Louisiana Supreme Court official judicial roster](https://www.lasc.org/press_room/annual_reports/reports/2025_Guide_to_Louisiana_Courts.pdf)
- [Louisiana Code of Judicial Conduct, Canon 3A(9)](https://www.lasc.org/Court_Rules?p=CJC)

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## Published courtroom rules

### Shared court rules

- [Louisiana Code of Judicial Conduct, Canon 3A(9)](https://knowjudges.com/courtroom-rules/national-shared-set-c043a9f2e3e33988fd8575e4) — Scope is limited to the court class in the source claim.  Shared court context only; case-type restrictions, exceptions, later amendments and case orders apply. This is not a personal preference or a complete rules inventory. [Official source](https://www.lasc.org/Court_Rules?p=CJC). Collected 2026-07-26.
