Erin Kerwin
New Hampshire State Representative, District since 2024. Lost the 2026 race for New Hampshire House of Representatives: Hillsborough 40.
- In office
- 1 yr
- Since 2024
- Bills became law
- 0
- 0 sponsored, 2025–2026 session
- Votes missed
- 11.5%
- Chamber median 5.8%
- With party
- 100%
- On votes splitting the parties
- Last margin
- +0.2
- Won 2024
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:52 PM ET
Committees
As of 2026-10.
- Housing
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
No bills in this list for the 2025–2026 session.
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where Kerwin sits in the New Hampshire House of Representatives
Kerwin is closer to the center than 0% of the chamber's Democrats.
Closest: Trinidad Tellez, Kathy Staub, Dick Ames
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:56 PM ET
With Kerwin’s party
- Votes with the chamber's Democrats100%
- Cosponsorships of the other party's bills0%
Black tick: the average of Democrats in the New Hampshire House of Representatives.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Kerwin’s vote, each party’s majority, and the result. An orange vote differs from most Democrats.
| Date | Bill | Kerwin | Dem. majority | Rep. majority | Result |
|---|---|---|---|---|---|
| Aug 19, 2026 | HB 221: enabling electric utilities to own, operate, and offer advanced nuclear resources, and… | No | No | Yes | Failed 152–167 |
| Aug 19, 2026 | HB 1337: repealing the New Hampshire council on autism spectrum disorders. | No | No | Yes | Failed 148–172 |
| Aug 19, 2026 | HB 1442: permitting classification of individuals based on biological sex under certain limited… | No | No | Yes | Passed 165–149 |
| Aug 19, 2026 | HB 1358: establishing a commission to study transitioning all public schools to public charter… | No | No | Yes | Failed 150–166 |
| Aug 19, 2026 | HB 1726: relative to the sale of surplus state-owned land and establishing a commission to study… | No | No | Yes | Failed 101–206 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Kerwin was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.
Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Elections
Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.
| Year | Race | Result | Margin | Seat | +/− |
|---|---|---|---|---|---|
| 2026 | New Hampshire House of Representatives: Hillsborough 40 | Lost | — | D+2.8 | — |
| 2024 | New Hampshire House of Representatives, HILLSBOROUGH 040 | Won | D+0.2 | — | — |
Source: 99chambers results archive; 2026: civicAPI (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Seats Kerwin has held
- New Hampshire House of Representatives, District HILLSBOROUGH 040 · since 2024
Source: 99chambers results archive
Who Kerwin has run against
- Democratic (D) · 2026 general, lost
- Mark MacKenzie (D) · 2024 election, won
Source: 99chambers results archive; 2026: civicAPI (unofficial)
How we know Kerwin
One person, matched across every source we use.
- Open States ocd-person/b30166c7-822f-4680-9aa0-0b62e3caf9bd
- Wikidata Q134583332
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:52 PM ET