Gayle Lammers
Montana State Senator, District 21 since 2024. Next on the ballot in 2028.
- In office
- 1 yr
- Since 2024
- Bills became law
- 5
- 5 sponsored, 2025–2026 session
- Votes missed
- 0.1%
- Chamber median 0.5%
- With party
- 54%
- On votes splitting the parties
- Last margin
- +13.6
- Won 2024
- Next election
- 2028
- Nov 7, 2028
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 9:43 AM ET
Committees
As of 2026-10.
- Energy, Technology and Federal Relations · vice chair
- State-Tribal Relations · vice chair
- Energy and Technology Interim
- Finance and Claims
- General Government Interim Budget
- Judiciary
- Local Government
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
Law Enforcement · Became law May 2025
Contracts · Became law May 2025
Legislature · Became law May 2025
Bond Issues, Public · Became law Apr 2025
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where Lammers sits in the Montana State Senate
Lammers is closer to the center than 88% of the chamber's Republicans.
Closest: Josh Kassmier, Jason Ellsworth, Shelley Vance
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:55 PM ET
With Lammers’s party
- Votes with the chamber's Republicans54%
Black tick: the average of Republicans in the Montana State Senate.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Lammers’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.
| Date | Bill | Lammers | Rep. majority | Dem. majority | Result |
|---|---|---|---|---|---|
| Apr 23, 2025 | HB 860: Provide for veterinary training loan program | Yes | Yes | Yes | Passed 41–9 |
| Apr 23, 2025 | HB 129: Provide income tax benefit to support emergency response volunteers | Yes | No | Yes | Passed 28–22 |
| Apr 23, 2025 | HB 853: Revise fees for licensed establishments | Yes | No | Yes | Passed 29–21 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Lammers 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 |
|---|---|---|---|
| 2024 | Montana State Senate, District 21 | Won | R+13.6 |
Source: 99chambers results archive
Seats Lammers has held
- Montana State Senate, District 21 · since 2024
Source: 99chambers results archive
Who Lammers has run against
- Sharon Stewart Peregoy (D) · 2024 general, won
Source: 99chambers results archive
How we know Lammers
One person, matched across every source we use.
- Open States ocd-person/29925f97-152a-473e-951e-27d55dba532e
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 9:43 AM ET