Shirley Arriaga
Massachusetts State Representative, District 51 since 2022. Ran in 2 elections between 2022 and 2024, winning 2. Re-elected in 2026. Next on the ballot in 2028.
- In office
- 3 yrs
- Since 2022
- Bills became law
- 1
- 20 sponsored, 2025–2026 session
- Votes missed
- 2.1%
- Chamber median 0.9%
- With party
- 100%
- On votes splitting the parties
- Last margin
- +29.4
- Won 2022
- 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.
- Higher Education
- Legislative Black and Latino Caucus
- Public Health
- Veterans and Federal Affairs
- Ways and Means
- Ways and Means
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where Arriaga sits in the Massachusetts House of Representatives
Arriaga is closer to the center than 11% of the chamber's Democrats.
Closest: Jay Livingstone, Jessica Giannino, Kristin Kassner
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:51 PM ET
With Arriaga’s party
- Votes with the chamber's Democrats100%
- Cosponsorships of the other party's bills17%
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: Arriaga’s vote, each party’s majority, and the result. An orange vote differs from most Democrats.
| Date | Bill | Arriaga | 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 Arriaga 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, District 51 | Won | — | D+5.2 | — |
| 2024 | Massachusetts House of Representatives, District 51 | Won | — | D+5.2 | — |
| 2022 | Massachusetts House of Representatives, District 51 | Won | D+29.4 | D+14.4 | +15.0 |
Source: 99chambers results archive; 2026: civicAPI (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Campaign money, 2025–26
- Raised
- $11.8K
- Spent
- $11.9K
- Cash
- $4.4K
Source: Massachusetts Office of Campaign and Political Finance filings through Oct 27, 2026Updated Oct 31, 2026, 6:19 PM ET
Campaign committees
Open committees can still raise and spend money.
| Arriaga Committee State | Active |
Source: Massachusetts Office of Campaign and Political Finance filings through Oct 27, 2026Updated Oct 31, 2026, 6:19 PM ET
Seats Arriaga has held
- Massachusetts House of Representatives, District 51 · since 2022
Source: 99chambers results archive
Who Arriaga has run against
- Sean Goonan (I) · 2022 election, won
Source: 99chambers results archive; 2026: civicAPI (unofficial)
How we know Arriaga
One person, matched across every source we use.
- Open States ocd-person/ff433cf6-2895-4e01-b143-26747500f8a4
- Wikidata Q115590736
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:52 PM ET