Patrick O'Connor
Photo: Commonwealth of Massachusetts State House, Public domain
RepublicanIn office since Nov 2016

Patrick O'Connor

Massachusetts State Senator, District D31 since 2016. Re-elected in 2026. Next on the ballot in 2028.

Massachusetts State Senator, District D31Born 1984

In office
10 yrs
Since 2016
Bills became law
0
136 sponsored, 2025–2026 session
Last margin
+21.2
Won 2022
Next election
2028
Nov 7, 2028

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:51 PM ET

Committees

As of 2026-10.

  • Children, Families and Persons with Disabilities · ranking republican member
  • Climate Change and Global Warming · ranking member
  • Education · ranking republican member
  • Ethics · ranking member
  • Housing · ranking republican member
  • Judiciary · ranking republican member
  • Labor and Workforce Development · ranking republican member
  • Transportation · ranking member
  • Ways and Means · ranking member

Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET

Legislation

2025–2026 session · 136 sponsored · 0 became law
BillIntroCmteSenateHouseLaw
S 1606 An Act requiring AEDs in clubs and fraternal organizations
Failed in the Senate Aug 2026
S 2051 An Act relative to the accessibility and affordability of trade school education
Failed in the Senate Jul 2026
S 2054 An Act establishing a tax credit for teachers purchasing supplies
Failed in the Senate Jul 2026
S 2064 An Act establishing a living organ donor tax credit
Failed in the Senate Jul 2026
S 1232 An Act to study the delivery of medical care to persons held in custody
Failed in the Senate Apr 2026

Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET

Career

Offices held, and every time O'Connor 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.

YearRaceResultMarginSeat+/−
2026Massachusetts State Senate: First Plymouth and Norfolk DistrictWon—D+19.0—
2024Massachusetts State Senate, SD-D31Won———
2022Massachusetts State Senate, SD-D31WonR+21.2——
2020Massachusetts State Senate, District 34WonR+10.0——
2018Massachusetts State Senate, District 34WonR+6.7——
2016Massachusetts State Senate, District 34WonR+13.2——
2016Massachusetts State Senate, District 34 (special)WonR+5.5——

Source: 99chambers results archive; 2026: civicAPI (unofficial)Updated Nov 8, 2026, 7:01 PM ET

Campaign money, 2025–26

Raised
$98K
Spent
$83.6K
Cash
$138.1K

Source: Massachusetts Office of Campaign and Political Finance filings through Sep 30, 2026Updated Oct 31, 2026, 6:19 PM ET

Campaign committees

Open committees can still raise and spend money.

O'Connor Committee
State
Active

Source: Massachusetts Office of Campaign and Political Finance filings through Sep 30, 2026Updated Oct 31, 2026, 6:19 PM ET

Seats O'Connor has held

Source: 99chambers results archive

Who O'Connor has run against

Source: 99chambers results archive; 2026: civicAPI (unofficial)

How we know O'Connor

One person, matched across every source we use.

Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:51 PM ET