Photo of Patrick O'Connor
R Massachusetts Senate · District First Plymouth and Norfolk On the 2026 ballot

Sen. Patrick O'Connor

Compare
Total votes
1,653
all sessions
Attendance
100%
3 missed
Near the chamber average
With party
94%
of cast votes
Lower than 96% of chamber peers
Bipartisan score
7%
crosses aisle rarely
Higher than 92% of chamber peers
Sponsored
3,125
bills & resolutions
Higher than 80% of chamber peers
Committees
9
assignments
3,125 bills and resolutions

Sponsored bills

Total
3,125
Primary
644
Co-sponsor
2,481
This page
3,125
matching current filters
Co-sponsor SD 3285
In committee · Massachusetts Senate · Co-sponsor
An Act to promote emergency contract accountability and integrity

By Mr. Tarr, a petition (accompanied by bill) (subject to Joint Rule 12) of Bruce E. Tarr, Kelly A. Dooner, Peter J. Durant, Ryan C. Fattman and other members of the General Court for legislation to promote emergency contract accountability and integrity. State Administration and Regulatory Oversight.

In committee Apr 1, 2026 1 co-sponsor
Co-sponsor S 1171
Passed · Massachusetts Senate · Co-sponsor
An Act relative to the well-being of new mothers and infants

Maddy summarySD 1643 creates a public digital resource center with mental health information for new mothers, including details on postpartum depression and psychosis. It requires healthcare providers to share this resource with new mothers and their families, offering free access to tools for identifying and addressing perinatal mental health challenges. The bill also mandates screenings for perinatal mental health issues in criminal cases involving new mothers and requires specialized treatment by reproductive psychiatry experts for those in the justice system. This affects new mothers, healthcare providers, and the criminal justice system, focusing on improving access to care and support during vulnerable postpartum periods.

Passed Apr 1, 2026 1 co-sponsor
Co-sponsor H 2803
Passed · Massachusetts House · Co-sponsor
An Act authorizing the Plymouth County Retirement System to grant creditable service to David Osborne

Maddy summaryThis bill (HD 3040) authorizes the Plymouth County Retirement System to count David Osborne's past service with the Town of Norwell (July 1, 2008, to present) toward his retirement benefits. It requires Osborne to pay back the retirement contributions he would have made during that period, plus interest, before his retirement allowance becomes effective. The bill directly affects only David Osborne and is a specific procedural adjustment for his individual retirement eligibility.

Passed Mar 30, 2026 1 co-sponsor
Co-sponsor H 2792
Passed · Massachusetts House · Co-sponsor
An Act relative to retirement benefits for Brian P. Costello Jr

Maddy summaryHD 3116 is a targeted bill making Brian P. Costello Jr. eligible for the "Retirement Plus" superannuation benefit under Chapter 114 of the 2000 Acts. The bill requires him to pay adjusted contributions (accounting for prior payments plus interest) and directs the retirement board to recalculate his benefit using the Retirement Plus formula, applying it retroactively to his retirement date. This bill directly affects only Brian Costello Jr., altering his specific retirement benefit calculation without changing general retirement laws. It is a personal legislative act, not a broad policy change.

Passed Mar 30, 2026 1 co-sponsor
Co-sponsor H 2797
Passed · Massachusetts House · Co-sponsor
An Act relative to creditable service for MBTA police officers

Maddy summaryThis bill allows MBTA police officers who later join other public law enforcement agencies (as defined in Chapter 6E) to count their prior service with the MBTA Police Department toward retirement credits in the state or local retirement system. It requires these officers to pay retroactive contributions equal to what they would have paid in retirement deductions during their MBTA service, plus interest, either as a lump sum or in installments. The policy directly affects MBTA officers transitioning to other law enforcement roles, ensuring their prior service is recognized in retirement calculations. The key mechanism is the retroactive payment requirement, which must be handled through the retirement board's prescribed terms.

Passed Mar 30, 2026 1 co-sponsor
Co-sponsor H 2769
Passed · Massachusetts House · Co-sponsor
An Act relative to retirement equity for parenting teachers

Maddy summaryThis bill allows public school teachers with 20+ years of service who return to full-time work after part-time teaching to count their part-time teaching years toward retirement benefits. Teachers may receive credit for up to 5 years of part-time service, calculated proportionally based on full-time equivalents. To qualify, teachers must pay the retirement system the equivalent of full-time deductions (plus interest) in a lump sum or installments. The policy directly affects teachers in Massachusetts' public school retirement systems who took part-time roles for parenting reasons.

Passed Mar 30, 2026 1 co-sponsor
Primary S 307
Passed · Massachusetts Senate · Lead sponsor
An Act relative to LLC filing fees

By Mr. O'Connor, a petition (accompanied by bill, Senate, No. 307) of Patrick M. O'Connor for legislation relative to LLC filing fees. Economic Development and Emerging Technologies.

Passed Mar 26, 2026 0 co-sponsors
Co-sponsor H 1723
Passed · Massachusetts House · Co-sponsor
An Act to eliminate the charitable immunity cap

Maddy summaryHD 241 eliminates a legal defense that allowed charities to avoid liability in personal injury or property damage lawsuits. The bill amends state law to remove the "charitable immunity cap," meaning charities can no longer use this specific defense when sued for torts (like negligence). This change directly affects charities facing such lawsuits, as they would now be held to the same legal standards as other organizations. The key mechanism is a straightforward legal amendment removing the immunity provision from the General Laws. (3 sentences)

Passed Mar 26, 2026 1 co-sponsor
Co-sponsor H 1914
Passed · Massachusetts House · Co-sponsor
An Act relative to a temporary possession ban of animals for animal abusers

Maddy summaryThis bill creates a mandatory 5-year ban on owning or accessing animals for first-time animal cruelty offenders (convicted under specific sections of Chapter 272 or 266), and a 15-year ban for repeat offenders, or as the court determines. It also applies to individuals charged with animal-related offenses who are placed on probation without a finding. The ban prohibits owning, fostering, working with animals in shelters/veterinary clinics, or volunteering at animal facilities. Violating the ban results in forfeiting animal custody and potential fines, with offenders allowed to petition the court annually to reduce the ban if they demonstrate safety and completion of required classes.

Passed Mar 26, 2026 1 co-sponsor
Co-sponsor H 1853
Passed · Massachusetts House · Co-sponsor
An Act to enhance the availability of immunity to witnesses in the courts of the Commonwealth

Maddy summaryHD 1717 updates Massachusetts law to clarify and expand witness immunity protections. It modifies statutes to explicitly include District Courts and Juvenile Courts alongside Superior Courts as venues where witnesses can seek immunity for testifying in criminal proceedings or grand jury investigations. The bill removes outdated references to "Superior Court" in specific sections and ensures the immunity process applies uniformly across these court types. This directly affects witnesses required to testify in criminal cases within these courts by streamlining access to immunity.

Passed Mar 26, 2026 1 co-sponsor
Showing 91 to 100 of 3,125 bills
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