# Katherine Prudhomme-O'Brien

Katherine Prudhomme-O'Brien is a Republican member of the New Hampshire House for district Rockingham 13.

- Party: Republican
- Seat: New Hampshire House, district Rockingham 13
- Serving since: 2022-12-07
- Current term: NH 2025–26 session
- Open States ID: ocd-person/a0a8c9d8-1f27-4d28-a249-8a5856ea5c05

Source: https://americaspoliticalpulse.com/p/a0a8c9d8-1f27-4d28-a249-8a5856ea5c05 (America’s Political Pulse, Polarization Research Lab), data through 2026-10-27. Data under CC BY 4.0. Cite as: Westwood, Sean J., and Yphtach Lelkes. 2024. America's Political Pulse [data set].

## Headline

0.7% of Prudhomme-O'Brien’s statements claim credit, in the bottom tenth of State House Republicans (average 13%).

## What Prudhomme-O'Brien says (NH 2025–26 session)

2,172 classified statements: 2,172 posts on X. Each rate is the share of statements with the label, against the State House Republicans average; rank 1 is the highest rate.

| Label | Prudhomme-O'Brien | State House Republicans average | Rank |
|---|---|---|---|
| Personal attacks | 7.7% | 2.9% | 83 of 791 |
| Policy criticism | 3.0% | 9.3% | 550 of 791 |
| Policy discussion | 12.3% | 31.9% | 676 of 791 |
| Bipartisanship | 0.1% | 1.8% | 559 of 791 |
| Credit claiming | 0.7% | 12.7% | 723 of 791 |
| Extreme labels | 0.4% | 1.4% | 399 of 791 |

Most discussed policy areas: Civil Rights and Liberties, Minority Issues 34% (State House Republicans 6.2%); Health 19% (State House Republicans 10%); Education 15% (State House Republicans 15%); Crime and Law Enforcement 12% (State House Republicans 11%); Families 12% (State House Republicans 3.6%).

## Ideology (CSIP)

CSIP score +0.08 (standard error 0.01), from 1 donors and 1,142 roll calls. Negative is left of 0, positive right of it, on one scale for every official. 10% of State House Republicans score lower.

## Votes (NH 2025–26 session)

557 roll calls. Attendance 92.6% (New Hampshire House 89%). Party unity 97.6% (95.3%). 15 votes against the party majority.

Key votes:

- 2026-08-19 · voted yea · Veto Override · HB 2026 relative to the state 10-year transportation improvement plan; relative to toll rate adjustments and periodic toll reviews for the New Hampshire… · pass · https://openstates.org/nh/bills/2026/HB2026/
- 2026-08-19 · voted yea · Veto Override · HB 1358 establishing a commission to study transitioning all public schools to public charter schools. · fail · https://openstates.org/nh/bills/2026/HB1358/
- 2026-08-19 · voted yea · Veto Override · HB 1610 allowing school districts to annually retain year-end unassigned general funds. · pass · https://openstates.org/nh/bills/2026/HB1610/
- 2026-08-19 · voted yea · Veto Override · HB 1336 relative to regulated conditional deposits. · pass · https://openstates.org/nh/bills/2026/HB1336/
- 2026-08-19 · voted nay · Veto Override · HB 1726 relative to the sale of surplus state-owned land and establishing a commission to study the sale of state-owned property. · fail · https://openstates.org/nh/bills/2026/HB1726/
- 2026-08-19 · voted nay · Veto Override · HB 1766 relative to cruelty to livestock. · pass · https://openstates.org/nh/bills/2026/HB1766/
- 2026-08-19 · voted yea · Veto Override · HB 1102 increasing the research and development tax credit cap and relative to state park fees for state residents. · pass · https://openstates.org/nh/bills/2026/HB1102/
- 2026-08-19 · voted yea · Veto Override · SB 468 relative to enabling alternative treatment centers to operate a greenhouse cultivation location. · pass · https://openstates.org/nh/bills/2026/SB468/
- 2026-08-19 · voted yea · Veto Override · HB 1097 requiring legislative approval of the amendment or permanent removal of historical markers. · pass · https://openstates.org/nh/bills/2026/HB1097/
- 2026-08-19 · voted yea · Veto Override · HB 232 relative to the rights of conscience for medical professionals. · pass · https://openstates.org/nh/bills/2026/HB232/

## Legislation (NH 2025–26 session)

Sponsored 0 bills: 0 reached committee, 0 passed one chamber, 0 passed both, 0 became law. Cosponsored 14.

Recent sponsored bills:

- HB 1505: establishing an animal abuse offender registry. (in committee, 2024-03-21) https://openstates.org/nh/bills/2024/HB1505/
- HB 1119: relative to absentee ballots. (passed one chamber, 2024-05-22) https://openstates.org/nh/bills/2024/HB1119/
- HB 652: relative to nonpublic sessions under the right to know law. (passed one chamber, 2023-11-16) https://openstates.org/nh/bills/2023/HB652/
- HB 652: relative to nonpublic sessions under the right to know law. (in committee, 2024-01-04) https://openstates.org/nh/bills/2024/HB652/
- HB 1434: relative to the availability of school curriculum materials. (passed one chamber, 2022-04-21) https://openstates.org/nh/bills/2022/HB1434/
- HB 1159: recognizing November 7 as Victims of Communism Memorial Day. (in committee, 2022-03-11) https://openstates.org/nh/bills/2022/HB1159/
- HB 1082: prohibiting certain state officers from forming political action committees. (passed one chamber, 2022-04-28) https://openstates.org/nh/bills/2022/HB1082/
- HB 419: relative to assault of a campaign worker at the polling place. (in committee, 2021-04-07) https://openstates.org/nh/bills/2021/HB419/
- HB 327: requiring that voters show identification when personally delivering absentee ballots to town and city clerks. (in committee, 2022-10-20) https://openstates.org/nh/bills/2022/HB327/
- HB 327: requiring that voters show identification when personally delivering absentee ballots to town and city clerks. (in committee, 2021-11-03) https://openstates.org/nh/bills/2021/HB327/

## Campaign money (2020 cycle)

Itemized receipts $600 (State House Republicans median $1,350). 100% of itemized individual money came from in state. Aggregates only; no individual donors.

## Recent statements

Newest first. Posts on X are listed by date and link only.

- 2026-10-26 · Post on X · https://x.com/prudhommeobrien/status/2114546857871302741
- 2026-10-26 · Post on X · labels: policy discussion · https://x.com/prudhommeobrien/status/2114753621770559570
- 2026-10-26 · Post on X · labels: policy discussion · https://x.com/prudhommeobrien/status/2114754618546864567
- 2026-10-26 · Post on X · https://x.com/prudhommeobrien/status/2114754934696759616
- 2026-10-26 · Post on X · labels: personal attacks · https://x.com/prudhommeobrien/status/2114755067240763437
- 2026-10-26 · Post on X · labels: policy discussion · https://x.com/prudhommeobrien/status/2114775954111537490
- 2026-10-24 · Post on X · labels: policy discussion · https://x.com/prudhommeobrien/status/2114081227795845548
- 2026-10-24 · Post on X · labels: policy discussion · https://x.com/prudhommeobrien/status/2114088153770578331
- 2026-10-24 · Post on X · labels: personal attacks · https://x.com/prudhommeobrien/status/2114093450564116884
- 2026-10-23 · Post on X · https://x.com/prudhommeobrien/status/2113669013419221020

## Links

- Official site: https://www.gencourt.state.nh.us/house/members/member.aspx?member=377258
- Campaign site: https://www.gencourt.state.nh.us/house/members/member.aspx?member=377258
- X: https://x.com/prudhommeobrien
- Facebook: https://www.facebook.com/p/Katherine-Prudhomme-OBrien-NH-State-Representative-100058163855814/
- Instagram: https://www.instagram.com/katherineprudhommeobrien/
- YouTube: https://www.youtube.com/channel/UCRmZRqpmdgEjOn94TkkuydA

Full profile, with every chart and the methods: https://americaspoliticalpulse.com/p/a0a8c9d8-1f27-4d28-a249-8a5856ea5c05