Bill Gannon
New Hampshire State Senator, District 23 since 2016. Re-elected in 2026. Next on the ballot in 2028.
- In office
- 9 yrs
- Since 2016
- Bills became law
- 9
- 33 sponsored, 2025–2026 session
- Votes missed
- 0.0%
- Chamber median 0.0%
- With party
- 99%
- On votes splitting the parties
- Last margin
- +12.5
- Won 2026
- Next election
- 2028
- Nov 7, 2028
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:52 PM ET
Committees
As of 2026-10.
- Executive Departments and Administration · vice chair
- Judiciary · chair
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
Became law Jul 2026
Became law Jul 2026
Became law May 2026
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where Gannon sits in the New Hampshire State Senate
Gannon is closer to the center than 38% of the chamber's Republicans.
Closest: Kevin Avard, Mark McConkey, Tim Lang
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:56 PM ET
With Gannon’s party
- Votes with the chamber's Republicans99%
- Cosponsorships of the other party's bills10%
Black tick: the average of Republicans in the New Hampshire State Senate.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Gannon’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.
| Date | Bill | Gannon | Rep. majority | Dem. majority | Result |
|---|---|---|---|---|---|
| Aug 19, 2026 | SB 475: relative to pet vendor foster homes, defining pet vendor foster facility, and relative to… | No | Yes | No | Failed 8–16 |
| Aug 19, 2026 | SB 535: defining residential breeder and imported animal for the purposes of animal transfers and… | No | No | No | Failed 5–19 |
| Aug 19, 2026 | SB 434: relative to regulation of public school materials. | Yes | Yes | No | Passed 16–8 |
| Aug 19, 2026 | SB 468: relative to enabling alternative treatment centers to operate a greenhouse cultivation… | No | Yes | Yes | Passed 16–8 |
| Aug 19, 2026 | HB 1766: relative to cruelty to livestock. | No | Yes | No | Failed 11–13 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Gannon 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 Senate District 23 | Won | R+12.5 | R+16.5 | −4.0 |
| 2024 | New Hampshire State Senate, District 23 | Won | R+24.8 | — | — |
| 2022 | New Hampshire State Senate, District 23 | Won | R+20.9 | — | — |
| 2020 | New Hampshire State Senate, District 23 | Won | R+6.6 | — | — |
| 2018 | New Hampshire State Senate, District 23 | Lost | D+0.4 | — | — |
| 2016 | New Hampshire State Senate, District 23 | Won | R+13.0 | — | — |
| 2014 | New Hampshire House of Representatives, District 704 | Won | R+0.7 | — | — |
| 2014 | New Hampshire House of Representatives, District 704 (primary) | Lost | −53.7 | — | — |
| 2014 | New Hampshire House of Representatives, District 704 (primary) | Won | +2.2 | — | — |
Source: 99chambers results archive; 2026: civicAPI (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Seats Gannon has held
- New Hampshire State Senate, District 23 · since 2020
- New Hampshire State Senate, District 23 · since 2016
- New Hampshire House of Representatives, District 704 · 2014–2016
Source: 99chambers results archive
Who Gannon has run against
- David Childs (D) · 2026 general, won
- Brenda Oldak (D) · 2024 election, won
- Jon Morgan (D) · 2020 election, won
- Alexis Simpson (D) · 2016 election, won
- Chris True (R) · 2014 election, won
Source: 99chambers results archive; 2026: civicAPI (unofficial)
How we know Gannon
One person, matched across every source we use.
- Open States ocd-person/d3c437bd-532d-458b-961f-4f6dccec1e4b
- Wikidata Q28421933
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:52 PM ET