---
title: "Jay Hemenway | KnowJudges"
canonical: "https://knowjudges.com/kyj/judge/jay-hemenway-judge-missouri-3rd-judicial-circuit-court-mo"
page_type: "judge_profile"
updated: "2026-07-26"
---

# Jay Hemenway

Missouri 3rd Judicial Circuit Court · Judge

## Profile

- Court: Missouri 3rd Judicial Circuit Court
- State: Missouri
- Role: Judge
- Service status: active
- Last verified: 2026-07-26

## Summary

Official statewide and applicable court procedural guidance applies to this judge.

## 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

### media equipment advance approval

Scope: statewide

Missouri Court Operating Rule 16 requires advance approval for media equipment used for courtroom coverage and allows the judge to control the number and setup of media personnel and equipment.

Evidence excerpt: Failure to obtain advance approval for equipment may preclude its use in the proceeding.

[Missouri Court Operating Rule 16.04, Technical](https://www.courts.mo.gov/page.jsp?id=354)
Source checked: 2026-07-26

### device use in courtroom

Scope: statewide

Missouri courtroom device use for media coverage is not generally permitted unless authorized by the operating rule, a local court rule, or the judge presiding in the proceeding.

Evidence excerpt: No person may use any device capable of media coverage in a courtroom or court clerk's office unless specifically authorized

[Missouri Court Operating Rule 16.04, Technical](https://www.courts.mo.gov/page.jsp?id=354)
Source checked: 2026-07-26

### audio video recording

Scope: statewide

Missouri allows limited video and audio recording for media coverage under COR 16 technical limits, subject to judicial approval and courtroom controls.

Evidence excerpt: Not more than one videographer, using a single device, shall be permitted in the courtroom during a judicial proceeding at any time.

[Missouri Court Operating Rule 16.04, Technical](https://www.courts.mo.gov/page.jsp?id=354)
Source checked: 2026-07-26


## Sources

- [Official profile](https://www.sos.mo.gov/cmsimages/bluebook/2025-2026/5_Judicial.pdf)
- [Official roster](https://www.sos.mo.gov/cmsimages/bluebook/2025-2026/5_Judicial.pdf)
- [Missouri Secretary of State Official Manual official judicial roster](https://www.sos.mo.gov/cmsimages/bluebook/2025-2026/5_Judicial.pdf)
- [Missouri Court Operating Rule 16.04, Technical](https://www.courts.mo.gov/page.jsp?id=354)

## JSON-LD

```json
{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "WebPage",
      "@id": "https://knowjudges.com/kyj/judge/jay-hemenway-judge-missouri-3rd-judicial-circuit-court-mo",
      "url": "https://knowjudges.com/kyj/judge/jay-hemenway-judge-missouri-3rd-judicial-circuit-court-mo",
      "name": "Jay Hemenway | KnowJudges",
      "description": "Jay Hemenway, Missouri 3rd Judicial Circuit Court. Source-linked judicial identity, courtroom procedures, and presentation guidance.",
      "dateModified": "2026-07-26",
      "isPartOf": {
        "@id": "https://knowjudges.com/#website"
      },
      "mainEntity": {
        "@id": "https://knowjudges.com/kyj/judge/jay-hemenway-judge-missouri-3rd-judicial-circuit-court-mo#judge"
      }
    },
    {
      "@type": "Person",
      "@id": "https://knowjudges.com/kyj/judge/jay-hemenway-judge-missouri-3rd-judicial-circuit-court-mo#judge",
      "name": "Jay Hemenway",
      "url": "https://knowjudges.com/kyj/judge/jay-hemenway-judge-missouri-3rd-judicial-circuit-court-mo",
      "jobTitle": "Judge",
      "worksFor": {
        "@type": "GovernmentOrganization",
        "name": "Missouri 3rd Judicial Circuit Court"
      },
      "sameAs": [
        "https://www.sos.mo.gov/cmsimages/bluebook/2025-2026/5_Judicial.pdf"
      ]
    },
    {
      "@type": "BreadcrumbList",
      "itemListElement": [
        {
          "@type": "ListItem",
          "position": 1,
          "name": "KnowJudges",
          "item": "https://knowjudges.com/kyj"
        },
        {
          "@type": "ListItem",
          "position": 2,
          "name": "Missouri",
          "item": "https://knowjudges.com/kyj/state/missouri"
        },
        {
          "@type": "ListItem",
          "position": 3,
          "name": "Jay Hemenway",
          "item": "https://knowjudges.com/kyj/judge/jay-hemenway-judge-missouri-3rd-judicial-circuit-court-mo"
        }
      ]
    }
  ]
}
```

## Biography

### Professional career

- In December 2024, he presided over the swearing‐in of new Assistant Prosecuting Attorney Michael Wulff in Harrison County, as part of a transition when current prosecutor Alex Van Zandt became Mercer County’s associate circuit judge
- The incumbent Associate Circuit Judge for Harrison County, Missouri, serving in the 3rd Judicial Circuit, with a term running through 2026
- Position: Associate Circuit Judge, 3rd Judicial Circuit (Harrison County, MO)
- Civic Mirror lists him as an Associate Circuit Judge for Grundy County, Missouri, but other sources confirm his current role in Harrison County’s 3rd Circuit

### Education


### Additional information

- Hemenway has been active in local judicial and county affairs.
- He has also been involved in administering oaths of office for county officials



## Published courtroom rules

### Shared court rules

- [Missouri Court Operating Rule 16.04, Technical](https://knowjudges.com/courtroom-rules/national-shared-set-b0a3408119d84bbcc3619511) — 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.mo.gov/page.jsp?id=354). Collected 2026-07-26.
