---
title: "Mary C. Mullen | KnowJudges"
canonical: "https://knowjudges.com/kyj/judge/mary-c-mullen"
page_type: "judge_profile"
updated: "2026-08-02"
---

# Mary C. Mullen

Suffolk County District Court · District Court Judge

## Profile

- Court: Suffolk County District Court
- State: New York
- Role: District Court Judge
- Service status: active
- Last verified: 2026-07-26

## Summary

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

## Biography

### Professional career

- Judge, District Court, Suffolk County, Elected, 2023 to 2028
- Suffolk County District Attorney, Assistant District Attorney, 1995 to 2003
- Judge on the Suffolk County District Court in New York, serving in the 10th Judicial District

### Education

- St. John's University, School of Law — J.D. (1995)
- Fairfield University — B.A. (1992)

### Additional information

- Town of Islip, Councilwoman, Elected 2016 to 2019, Re-elected 2020 to 2022
- Biedermann Hoenig Semprevivo, Partner, 2015 to 2022
- Tinari, O'Connell & Osborn, LLP., 2003 to 2015
- She was admitted to the New York State Bar in 1996

## 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

### recording and photography

Scope: statewide

New York statewide rules require permission before photographing, filming, videotaping, audiotaping, broadcasting, or telecasting in court facilities, including courtrooms.

Evidence excerpt: Taking photographs, films or videotapes, or audiotaping, broadcasting or telecasting, in a courthouse including any courtroom, office or hallway thereof, at any time or on any occasion, whether or not the court is in session, is forbidden, unless permission of the Chief Administrator of the Courts or a designee of the Chief Administrator is first obtained

[Part 29: Electronic Recording and Audio-Visual Coverage in Court Facilities and of Court Proceedings](https://www.nycourts.gov/rules/part-29-electronic-recording-and-audio-visual-coverage-court-facilities-and-court-proceedings?from_node=15921&topic=386&wrapped=true)
Source checked: 2026-07-26

### evidence presentation control

Scope: statewide

The official Guide to New York Evidence identifies court control over presentation of evidence as a statewide evidence topic; counsel should expect the assigned judge to control the mode and order of proof.

Evidence excerpt: 1.07. COURT CONTROL OVER PRESENTATION OF EVIDENCE

[Guide to New York Evidence: Article 1, General Provisions and Court's Role](https://www.nycourts.gov/judges/evidence/1-GENERAL/1-generalprovisions.shtml)
Source checked: 2026-07-26


## Sources

- [Official profile](https://iapps.courts.state.ny.us/judicialdirectory/Bio?judge_id=9hCgBHd/MwB/2s5qovCqbQ%3D%3D)
- [Official roster](https://iapps.courts.state.ny.us/judicialdirectory/Bio?judge_id=9hCgBHd/MwB/2s5qovCqbQ%3D%3D)
- [New York State Unified Court System Judicial Directory official judicial roster](https://iapps.courts.state.ny.us/judicialdirectory/Bio?judge_id=9hCgBHd/MwB/2s5qovCqbQ%3D%3D)
- [Part 29: Electronic Recording and Audio-Visual Coverage in Court Facilities and of Court Proceedings](https://www.nycourts.gov/rules/part-29-electronic-recording-and-audio-visual-coverage-court-facilities-and-court-proceedings?from_node=15921&topic=386&wrapped=true)
- [Guide to New York Evidence: Article 1, General Provisions and Court's Role](https://www.nycourts.gov/judges/evidence/1-GENERAL/1-generalprovisions.shtml)
- [Judicial Directory: Hon. Mary Catherine Mullen](https://iapps.courts.state.ny.us/judicialdirectory/Bio?judge_id=9hCgBHd/MwB/2s5qovCqbQ%3D%3D)

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## Published courtroom rules

### Shared court rules

- [22 NYCRR Part 200 — Uniform Rules Courts Exercising Criminal Jurisdiction](https://knowjudges.com/courtroom-rules/ny-shared-set-5e0f997e8c334d15fbc4) — State criminal proceedings only; section-specific court and case exceptions remain applicable. [Official source](https://www.nycourts.gov/rules/part-200-uniform-rules-courts-exercising-criminal-jurisdiction). Collected 2026-10-27.
- [22 NYCRR Part 212 — Uniform Civil Rules District Courts](https://knowjudges.com/courtroom-rules/ny-shared-set-b75fc650606800a2d179) — Civil actions and proceedings only; section-specific and specialized-part restrictions remain applicable. [Official source](https://www.nycourts.gov/rules/part-212-uniform-civil-rules-district-courts). Collected 2026-10-27.
- [Part 29: Electronic Recording and Audio-Visual Coverage in Court Facilities and of Court Proceedings](https://knowjudges.com/courtroom-rules/national-shared-set-99a7824bb8e009643f842c03) — 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.nycourts.gov/rules/part-29-electronic-recording-and-audio-visual-coverage-court-facilities-and-court-proceedings?from_node=15921&topic=386&wrapped=true). Collected 2026-07-26.
- [Part 29: Electronic Recording and Audio-Visual Coverage in Court Facilities and of Court Proceedings](https://knowjudges.com/courtroom-rules/national-shared-set-34fe480ab82f22fa3c31d257) — 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.nycourts.gov/rules/part-29-electronic-recording-and-audio-visual-coverage-court-facilities-and-court-proceedings?from_node=15921&topic=386&wrapped=true). Collected 2026-07-26.