2026 General Election · Tuesday, November 3, 2026

Missouri House District 55

2 candidates, listed alphabetically.

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Candidates

William (Bill) Irwin

RepublicanIncumbent

In office now: State Representative, District 55 (since 2024)
Work: State Representative, Missouri House District 55 (since 2025); retired Navy SEAL captain; former Lee's Summit police officer

William (Bill) Irwin has served as State Representative for District 55 in the Missouri General Assembly since 2024, a district that includes all or part of Cass County.

William (Bill) Irwin served 33 years in the U.S. Navy, from enlisted hull maintenance technician to retirement as a Navy SEAL captain, and 17 years with the Lee's Summit Police Department, including its SWAT team. He was elected in 2024.

Irwin's committees

Crime and Public Safety
Government Efficiency
Joint Committee on Government Accountability
Veterans and Armed Forces

Sources for Irwin

William (Bill) Irwin: official member information (Missouri House of Representatives, Public record)
Missouri General Assembly: current member roster (Missouri House of Representatives, Public record)

Jon Pennell

Democratic

Work: Former federal citizenship and immigration services employee

Jon Pennell worked in federal citizenship and immigration services until his position was eliminated in 2025.

Sources for Pennell

Jon Pennell - 2026 candidate profile (The Ballot Brief, Facts summarized from a public page (not copied))

Sources

Candidate list and race details

Certification of Candidates and Party Emblems, General Election Nov. 3, 2026 (Missouri Secretary of State, Public record)

What's included: U.S. Senate and House, statewide offices, every state legislative district on the ballot and statewide ballot measures.
Everything else: Local races (county, city, school board, judges) and anything else on your ballot are on your official sample ballot: voteroutreach.sos.mo.gov.
Candidate lists: As of Wednesday, October 14, 2026.

This is not an official ballot. Confirm your registration, polling place and ballot with your election office through vote.gov.