Marjorie Decker
Massachusetts State Representative, District 83 since 2012. Lost re-election in 2026; leaves office in January 2027.
- In office
- 14 yrs
- Since 2012
- Bills became law
- 2
- 79 sponsored, 2025–2026 session
- Votes missed
- 9.4%
- Chamber median 0.9%
- With party
- 100%
- On votes splitting the parties
- Last margin
- +94.4
- Won 2024
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:52 PM ET
Committees
As of 2026-10.
- Public Health · chair
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
Became law Jul 2026
Failed in the House Aug 2026
Failed in the House Jul 2026
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where Decker sits in the Massachusetts House of Representatives
Decker is closer to the center than 5% of the chamber's Democrats.
Closest: Manny Cruz, Lindsay Sabadosa, Christine Barber
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:51 PM ET
With Decker’s party
- Votes with the chamber's Democrats100%
- Cosponsorships of the other party's bills1%
Black tick: the average of Democrats in the Massachusetts House of Representatives.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Decker’s vote, each party’s majority, and the result. An orange vote differs from most Democrats.
| Date | Bill | Decker | Dem. majority | Rep. majority | Result |
|---|---|---|---|---|---|
| Jul 22, 2026 | H 5595: An Act prioritizing patient access to care | Yes | Yes | No | Passed 119–33 |
| Jul 8, 2026 | H 5562: An Act relative to economic development in the commonwealth | Yes | Yes | Yes | Passed 145–6 |
| Jul 1, 2026 | H 5555: An Act making appropriations for the fiscal year 2027 for the maintenance of the… | Yes | Yes | Yes | Passed 142–6 |
| Jun 10, 2026 | S 2726: An Act regarding free expression | No | No | Yes | Failed 23–133 |
| Apr 28, 2026 | H 5500: An Act making appropriations for the fiscal year 2027 for the maintenance of the… | Yes | Yes | No | Passed 136–20 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Decker 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 | Massachusetts House of Representatives: 25th Middlesex District | Lost | — | D+88.0 | — |
| 2024 | Massachusetts House of Representatives, District 83 | Won | D+94.4 | — | — |
| 2022 | Massachusetts House of Representatives, District 83 | Won | — | — | — |
| 2020 | Massachusetts House of Representatives, District 142 | Won | — | — | — |
| 2018 | Massachusetts House of Representatives, District 142 | Won | — | — | — |
| 2016 | Massachusetts House of Representatives, District 142 | Won | — | — | — |
| 2014 | Massachusetts House of Representatives, District 142 | Won | — | — | — |
| 2014 | Massachusetts House of Representatives, District 142 (primary) | Won | +66.7 | — | — |
| 2012 | Massachusetts House of Representatives, District 142 | Won | — | — | — |
Source: 99chambers results archive; 2026: civicAPI (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Campaign money, 2025–26
- Raised
- $345.2K
- Spent
- $325.2K
- Cash
- $29.5K
Source: Massachusetts Office of Campaign and Political Finance filings through Oct 21, 2026Updated Oct 31, 2026, 6:19 PM ET
Campaign committees
Open committees can still raise and spend money.
| Decker Committee State | Active |
Source: Massachusetts Office of Campaign and Political Finance filings through Oct 21, 2026Updated Oct 31, 2026, 6:19 PM ET
Seats Decker has held
- Massachusetts House of Representatives, District 83 · since 2022
- Massachusetts House of Representatives, District 142 · since 2012
Source: 99chambers results archive
Who Decker has run against
- Democratic (D) · 2026 general, lost
- Evan MacKay (D) · 2024 election, won
Source: 99chambers results archive; 2026: civicAPI (unofficial)
How we know Decker
One person, matched across every source we use.
- Open States ocd-person/b9019024-899b-41b3-a283-69c50866fabd
- Wikidata Q6766251
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:52 PM ET