The Ballot Brief
Delaware County, Pennsylvania

Pennsylvania House District 165

2 candidates are tracked for Pennsylvania House District 165 on the November 3, 2026 ballot: Jennifer O'Mara and Deirdre McCleary. Candidate information follows official Delaware County election filings; verify with the official election office linked below.

About this race

Jennifer O'Mara (Democratic), Deirdre McCleary (Republican) meet on the November 3 ballot; Jennifer O'Mara is the sitting member, per the General Assembly's roster. Jennifer O'Mara was unopposed in the Democratic primary. Deirdre McCleary was unopposed in the Republican primary. Pennsylvania nominates by plurality (no runoffs); unopposed nominees still print. The field is the Department of State's official May 19 primary returns (electionreturns.pa.gov) with the Department's post-primary withdrawal listing; independent and minor-party candidates who filed nomination papers are added when the Department of State posts the certified general-election list. This seat is elected by district; only the district covering your address appears on your ballot.

What this office does

State legislator. State legislators write and vote on state laws and the state budget, which fund schools, roads, prisons, universities and health programs, and set the rules for local governments and elections. Each member represents one district and serves on committees that shape bills before a floor vote. Terms are two years in most state houses and four in most state senates.

This race. Elected by district: only voters who live in the district see this race on their ballot. The sitting officeholder, Jennifer O'Mara, is on the ballot.

Pennsylvania › Delaware County › Pennsylvania House District 165

Jennifer O'Mara

Jennifer O'Mara

Democratic Incumbent

Biography

Jennifer O'Mara is the Democratic state representative for Pennsylvania House District 165 in Delaware County, per her campaign site. She grew up in Delaware County after her father's death, raised by a mother who worked as a school bus driver, per her campaign site. She has focused on public education, health care access and job opportunities, per her campaign site.

Deirdre McCleary

Republican

Biography

Deirdre McCleary is the Republican candidate for Pennsylvania House District 165 on the November 3, 2026 ballot, per the Department of State's official May 19 primary returns. No campaign website was found as of September 7, 2026.

Next on your ballotPennsylvania House District 166

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Voting info and more

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Questions about this race

Who is running for Pennsylvania House District 165 in 2026?

2 candidates are tracked for Pennsylvania House District 165 on the November 3, 2026 ballot: Jennifer O'Mara and Deirdre McCleary. Candidate information follows official Delaware County election filings; verify with the official election office linked below.

When is the Pennsylvania House District 165 election in Pennsylvania?

Election Day is Tuesday, November 3, 2026. Registration deadlines, early voting dates and mail ballot rules for Pennsylvania are on the Pennsylvania election hub at theballotbrief.com.

How do I see my exact Delaware County ballot?

Enter your ZIP code in the lookup at theballotbrief.com for the statewide and congressional races, or a full street address to add the county, city and district contests for that location.

Verify this race

Candidate roster from official Delaware County and state election office filings. Bios and priorities carry their attribution inline.

Cross-check with the official Pennsylvania election office, or see the full Delaware County sample ballot and your exact ballot by address.

The rest of your Delaware County ballot

13 tracked races in Delaware County, Pennsylvania. Landed here from another county's search? Look up your own ballot below.

Also on your ballot
Pennsylvania House District 168Pennsylvania House District 185Pennsylvania House District 191See all 13 Delaware County races
Candidate profiles
Jennifer O'Mara, full profileDeirdre McCleary, full profileOfficial Pennsylvania election office