The Ballot Brief
Hillsborough County, New Hampshire

New Hampshire House, Hillsborough District 40

See where O'Brien, Gonzalez, Cumming, Rivera, Kerwin, MacKenzie, Tellez and Richard-Snipes stand on schools, elections and taxes. Names follow official Hillsborough County election filings.

About this race

Bill O'Brien (Republican), Carlos Gonzalez (Republican), Lynne M. Cumming (Republican), Robert Rivera (Republican), Erin Kerwin (Democratic), Mark S. MacKenzie (Democratic), Trinidad Tellez (Democratic), Robert Richard-Snipes (Democratic) are on the November 3 ballot for New Hampshire House, Hillsborough District 40; Erin Kerwin, Mark S. MacKenzie, Trinidad Tellez are sitting members, per the General Court's official member list (gc.nh.gov). This is a four-seat district: voters choose up to four candidates, and the top four finishers are elected. Not on the Secretary of State's September 17, 2026 general election candidate list: Leo R. Bernier. Names follow the Secretary of State's September 17, 2026 general election candidate list.

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. Voters choose 4; the top 4 finishers win seats. Elected by district: only voters who live in the district see this race on their ballot. Sitting officeholders on the ballot: Erin Kerwin, Mark S. MacKenzie, Trinidad Tellez.

This list comes from official election records but may be incomplete. It can miss, for example, late or petition candidates and some city, school and district races. Your official sample ballot is the final word.

We use AI to research and write election information. Errors are possible. Verify important details with official sources.

New Hampshire › Hillsborough County › New Hampshire House, Hillsborough District 40

Bill O'Brien

Republican

Top priorities

From other published sources

  • Has supported restrictions on abortion access and opposed broad-based taxes, based on his past survey responses and voting record, per Citizens Count
  • Has supported gun rights protections and education choice funding for private schools, per Citizens Count
Biography

Bill O'Brien is a lawyer, software company owner and school board member who previously served in the New Hampshire House of Representatives from 2008 to 2016, including as Speaker from 2010 to 2012, per Citizens Count. No campaign website was found as of September 11, 2026.

Carlos Gonzalez

Republican

Top priorities

From other published sources

  • Has supported alternatives to traditional education funding and opposed broad-based taxes, per past survey responses
  • Has favored renewable energy initiatives and an increased minimum wage while opposing mail-in voting, per Citizens Count
Biography

Carlos Gonzalez is a former New Hampshire state representative who served from 2010 to 2012 and 2014 to 2016. He has worked as a security supervisor, teacher and business owner, per Citizens Count. No campaign website was found as of September 11, 2026.

Lynne M. Cumming

Republican

Biography

Lynne M. Cumming is the Republican nominee for New Hampshire House, Hillsborough District 40 on the November 3, 2026 ballot, per the New Hampshire Secretary of State's September 8, 2026 primary results. No campaign website was found as of September 11, 2026; the Secretary of State's primary results are the only verifiable source for Lynne M. Cumming.

Robert Rivera

Republican

Biography

Robert Rivera is the Republican nominee for New Hampshire House, Hillsborough District 40 on the November 3, 2026 ballot, per the New Hampshire Secretary of State's September 8, 2026 primary results. No campaign website was found as of September 11, 2026; the Secretary of State's primary results are the only verifiable source for Robert Rivera.

Erin Kerwin

DemocraticIncumbent

Top priorities

From other published sources

  • Opposes the Education Freedom Account program, saying public money should stay in public schools, per Citizens Count
  • Supports stricter gun laws and extreme risk protection orders, per Citizens Count
  • Supports legalizing marijuana and opposes voter ID requirements, per Citizens Count
Biography

Erin Kerwin is a teacher and social worker who has represented Hillsborough District 40 in the New Hampshire House since 2024, per Citizens Count. No campaign website was found as of September 11, 2026.

Mark S. MacKenzie

DemocraticIncumbent

Top priorities

From other published sources

  • Opposes right-to-work legislation and advocates for worker protections and union rights, per Citizens Count
  • Supports Medicaid expansion and a public healthcare option, per Citizens Count
  • Supports the interest and dividends tax and opposes business tax cuts, per Citizens Count
Biography

Mark S. MacKenzie is a retired Manchester Fire Department captain and President Emeritus of the New Hampshire AFL-CIO who represents Hillsborough District 40 in the New Hampshire House, per Citizens Count. No campaign website was found as of September 11, 2026.

Trinidad Tellez

DemocraticIncumbent

Top priorities

From other published sources

  • Opposes Education Freedom Accounts and supports public education funding, per Citizens Count
  • Supports universal background checks and stricter gun laws, per Citizens Count
  • Supports Medicaid expansion and describes climate change as requiring urgent action, per Citizens Count
Biography

Trinidad Tellez is a business owner, educator and public health consultant who previously directed the New Hampshire Office of Health Equity and represents Hillsborough District 40 in the New Hampshire House, per Citizens Count. No campaign website was found as of September 11, 2026.

Robert Richard-Snipes

Democratic

Biography

Robert Richard-Snipes of Manchester is the Democratic candidate for New Hampshire House, Hillsborough District 40 on the November 3, 2026 ballot, per the Secretary of State's 2026 general election candidate list.

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Questions about this race

Who is running for New Hampshire House, Hillsborough District 40 in 2026?

8 candidates are tracked for New Hampshire House, Hillsborough District 40 on the November 3, 2026 ballot: Bill O'Brien, Carlos Gonzalez, Lynne M. Cumming, Robert Rivera, Erin Kerwin, Mark S. MacKenzie, Trinidad Tellez and Robert Richard-Snipes. Candidate information follows official Hillsborough County election filings; verify with the official election office linked below. See where they stand on schools, elections and taxes.

When is the New Hampshire House, Hillsborough District 40 election in New Hampshire?

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

How do I see my exact Hillsborough 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 Hillsborough County and state election office filings, last verified October 24, 2026. Bios and priorities carry their attribution inline.

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

The rest of your Hillsborough County ballot

69 tracked races in Hillsborough County, New Hampshire. Landed here from another county's search? Look up your own ballot below.

Also on your ballot
New Hampshire House, Hillsborough District 42New Hampshire House, Hillsborough District 43New Hampshire House, Hillsborough District 44See all 69 Hillsborough County races
Candidate profiles
Bill O'Brien, full profileCarlos Gonzalez, full profileLynne M. Cumming, full profileRobert Rivera, full profileErin Kerwin, full profileMark S. MacKenzie, full profileTrinidad Tellez, full profileRobert Richard-Snipes, full profileOfficial New Hampshire election office