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title: "Katherine Tierney | KnowJudges"
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updated: "2026-10-07"
---

# Katherine Tierney

Maine District Court · Judge

## Profile

- Court: Maine District Court
- State: Maine
- Role: Judge
- Service status: active
- Last verified: 2026-07-26

## Summary

Official statewide and applicable court procedural guidance applies to this judge.

## Biography

### Professional career

- Katherine E. Tierney is a judge of the Maine District Court, appointed by Governor Janet Mills in 2023, serving in Lewiston, Androscoggin County
- The collected biographical information identifies Katherine E. Tierney as a Maine District Court judge appointed by Governor Janet Mills in 2023 and assigned to Lewiston
- District Court Judge — Maine Judicial Branch, Lewiston, ME
- The Maine Judicial Branch lists her as an active district court judge
- It also reports assistant attorney general service in the natural resources division
- Before joining the judiciary, Tierney served as an Assistant District Attorney in the Domestic Violence Division of the Cumberland County District Attorney’s Office.

### Education

- University of Maine School of Law — J.D. (2004)
- It records a University of Oregon BA and Maine Law JD in 2004.

### Additional information

- Katherine E. Tierney joined the Maine District Court in 2023 by Governor Janet Mills.
- She has been involved in cases involving constitutional rights, including Sixth Amendment issues related to the right to counsel, as noted in Maine court coverage
- Before joining the bench, she was an assistant district attorney in Cumberland County’s domestic violence division, participated in the Violence Intervention Program and served on a task force considering technology in domestic violence prevention.
- She has also held the role of a board member of the Maine Justice Foundation
- The overview described her as living in Yarmouth with her husband and two children.

## 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

### cameras audio recording

Scope: statewide

Maine Administrative Order JB-05-15 bars cameras and audio recording equipment in the courtroom unless coverage has been authorized under the order.

Evidence excerpt: No cameras or audio recording equipment shall be allowed in the courtroom unless coverage of any events or proceeding has been authorized pursuant to this order.

[JB-05-15 Cameras and Audio Recording in the Courts](https://www.courts.maine.gov/adminorders/jb-05-15.pdf)
Source checked: 2026-07-26

### judicial discretion

Scope: statewide

Maine authorizes trial and appellate judicial officers to consider camera and recording coverage and permit it in their sole discretion if court integrity will not be adversely affected.

Evidence excerpt: authorized to consider camera and recording coverage, and to permit it in their sole discretion if the integrity of the court proceedings will not be adversely affected.

[JB-05-15 Cameras and Audio Recording in the Courts](https://www.courts.maine.gov/adminorders/jb-05-15.pdf)
Source checked: 2026-07-26


## Sources

- [Official profile](https://www.courts.maine.gov/courts/district/judges.html)
- [Official roster](https://www.courts.maine.gov/courts/district/judges.html)
- [State of Maine Judicial Branch official judicial roster](https://www.courts.maine.gov/courts/district/judges.html)
- [JB-05-15 Cameras and Audio Recording in the Courts](https://www.courts.maine.gov/adminorders/jb-05-15.pdf)

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## Published courtroom rules

### Shared court rules

- [Maine Rules of Small Claims Procedure, effective November 1, 2024](https://knowjudges.com/courtroom-rules/national-shared-set-e7189e038ba12fdc9a9ed90c) — Small claims proceedings in District Court only. Section-specific exceptions, waivers, later amendments and case orders remain applicable. This is a source excerpt, not an exhaustive statement of the rule. [Official source](https://www.courts.maine.gov/rules/text/mrscp%202024-11-01.pdf). Collected 2026-10-27.
- [Maine Rules of Civil Procedure, effective June 1, 2026](https://knowjudges.com/courtroom-rules/national-shared-set-65cbb3937209d2a8ec864c35) — Applicable civil actions in Superior and District Courts; family and specialized-case restrictions remain applicable. Section-specific exceptions, waivers, later amendments and case orders remain applicable. This is a source excerpt, not an exhaustive statement of the rule. [Official source](https://www.courts.maine.gov/rules/text/mr_civ_p_only_2026-06-01.pdf). Collected 2026-10-27.
- [JB-05-15 Cameras and Audio Recording in the Courts](https://knowjudges.com/courtroom-rules/national-shared-set-2090a1c278960f4443c4a460) — 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.courts.maine.gov/adminorders/jb-05-15.pdf). Collected 2026-07-26.
