# Mary Isaacson

Mary Isaacson is a Democratic member of the Pennsylvania House for district 175.

- Party: Democrat
- Seat: Pennsylvania House, district 175
- Serving since: 2018-12-01
- Current term: PA 2025–26 session
- Open States ID: ocd-person/ac9d319c-4df3-489a-890e-f7daba8c4bda

Source: https://americaspoliticalpulse.com/p/ac9d319c-4df3-489a-890e-f7daba8c4bda (America’s Political Pulse, Polarization Research Lab), data through 2026-10-27. Data under CC BY 4.0. Cite as: Westwood, Sean J., and Yphtach Lelkes. 2024. America's Political Pulse [data set].

## Headline

Isaacson sits at −0.89 on the CSIP scale, more liberal than 83% of State House Democrats.

## What Isaacson says (PA 2025–26 session)

12 classified statements: 12 posts on X. Each rate is the share of statements with the label, against the State House Democrats average; rank 1 is the highest rate.

| Label | Isaacson | State House Democrats average | Rank |
|---|---|---|---|
| Personal attacks | 0.0% | 2.5% | 584 of 764 |
| Policy criticism | 50.0% | 10.4% | 3 of 764 |
| Policy discussion | 91.7% | 39.2% | 2 of 764 |
| Bipartisanship | 8.3% | 2.9% | 52 of 764 |
| Credit claiming | 41.7% | 14.4% | 19 of 764 |
| Extreme labels | 0.0% | 1.0% | 543 of 764 |

Most discussed policy areas: Education 27% (State House Democrats 15%); Environmental Protection 27% (State House Democrats 3.4%); Health 27% (State House Democrats 15%); Commerce 18% (State House Democrats 3.1%); Housing and Community Development 18% (State House Democrats 6.2%).

## Ideology (CSIP)

CSIP score −0.89 (standard error 0.03), from 162 donors and 1,200 roll calls. Negative is left of 0, positive right of it, on one scale for every official. 17% of State House Democrats score lower.

## Votes (PA 2025–26 session)

1,497 roll calls. Attendance 100% (Pennsylvania House 99.9%). Party unity 100% (95.1%). 8 votes against the party majority.

Key votes:

- 2026-10-21 · voted yea · FINAL PASSAGE · SB 1431 An Act amending Title 34 (Game) of the Pennsylvania Consolidated Statutes, in Pennsylvania Game Commission, further providing for Game Commission… · pass · https://openstates.org/pa/bills/2025-2026/SB1431/
- 2026-10-21 · voted yea · FINAL PASSAGE · SB 922 An Act amending the act of January 28, 1988 (P.L.24, No.11), known as the Private Academic Schools Act, further providing for application for license,… · pass · https://openstates.org/pa/bills/2025-2026/SB922/
- 2026-10-21 · voted yea · FINAL PASSAGE · SB 1328 An Act requiring automated external defibrillators at utility or electrical worksites; imposing duties on the Department of Labor and Industry; and… · pass · https://openstates.org/pa/bills/2025-2026/SB1328/
- 2026-10-21 · voted yea · FINAL PASSAGE · SB 764 An Act amending Title 53 (Municipalities Generally) of the Pennsylvania Consolidated Statutes, in alteration of territory or corporate entity and… · pass · https://openstates.org/pa/bills/2025-2026/SB764/
- 2026-10-21 · voted yea · FINAL PASSAGE · HB 2593 An Act amending the act of April 9, 1929 (P.L.177, No.175), known as The Administrative Code of 1929, in general provisions relating to powers and… · pass · https://openstates.org/pa/bills/2025-2026/HB2593/
- 2026-10-21 · voted yea · FINAL PASSAGE · SB 1372 An Act amending the act of June 13, 1967 (P.L.31, No.21), known as the Human Services Code, in general powers and duties of the Department of Human… · pass · https://openstates.org/pa/bills/2025-2026/SB1372/
- 2026-10-21 · voted yea · FINAL PASSAGE · SB 829 An Act designating the Hynerpeton bassetti, a stem tetrapod, as the official State fossil of the Commonwealth of Pennsylvania; designating the eastern… · pass · https://openstates.org/pa/bills/2025-2026/SB829/
- 2026-10-21 · voted yea · FINAL PASSAGE · HB 2048 An Act establishing the Pennsylvania Civic Information Consortium; providing for administrative, fiscal or logistical services and governance and… · pass · https://openstates.org/pa/bills/2025-2026/HB2048/
- 2026-10-21 · voted yea · FINAL PASSAGE · HB 1827 An Act providing for medical assistance coverage and insurance coverage of screening, prevention and treatment measures for osteoporosis as a result… · pass · https://openstates.org/pa/bills/2025-2026/HB1827/
- 2026-10-21 · voted yea · FINAL PASSAGE · SB 116 An Act amending the act of March 10, 1949 (P.L.30, No.14), known as the Public School Code of 1949, in terms and courses of study, providing for credit… · pass · https://openstates.org/pa/bills/2025-2026/SB116/

## Legislation (PA 2025–26 session)

Sponsored 36 bills: 36 reached committee, 8 passed one chamber, 2 passed both, 1 became law. Cosponsored 224. 36.1% of sponsored bills got out of committee (Pennsylvania House 39.6%; rank 86 of 171).

Recent sponsored bills:

- HR 669: A Resolution honoring the distinguished life and service of the Honorable Marie A. Lederer, seven-term former member of the House of Representatives from the… (passed one chamber, 2026-10-20) https://openstates.org/pa/bills/2025-2026/HR669/
- HB 2551: An Act amending the act of April 9, 1929 (P.L.177, No.175), known as The Administrative Code of 1929, in powers and duties in general, providing for certain… (passed one chamber, 2026-06-25) https://openstates.org/pa/bills/2025-2026/HB2551/
- HB 558: An Act amending the act of April 6, 1951 (P.L.69, No.20), known as The Landlord and Tenant Act of 1951, in creation of leases, statute of frauds and… (became law, 2026-10-22) https://openstates.org/pa/bills/2025-2026/HB558/
- HB 2237: An Act amending the act of June 23, 1999 (P.L.159, No.22), known as the New Economy Technology Scholarship Act, further providing for annual report. (passed one chamber, 2026-05-07) https://openstates.org/pa/bills/2025-2026/HB2237/
- HB 603: An Act amending the act of December 12, 1986 (P.L.1559, No.169), known as the Whistleblower Law, further providing for remedies and for enforcement. (in committee, 2026-02-04) https://openstates.org/pa/bills/2025-2026/HB603/
- HB 879: An Act amending Title 18 (Crimes and Offenses) of the Pennsylvania Consolidated Statutes, in riot, disorderly conduct and related offenses, providing for… (in committee, 2026-04-13) https://openstates.org/pa/bills/2025-2026/HB879/
- HB 608: An Act amending Title 18 (Crimes and Offenses) of the Pennsylvania Consolidated Statutes, in riot, disorderly conduct and related offenses, further providing… (in committee, 2025-10-27) https://openstates.org/pa/bills/2025-2026/HB608/
- HB 1500: An Act amending the act of March 10, 1949 (P.L.30, No.14), known as the Public School Code of 1949, in preliminary provisions, providing for Cyber Charter… (passed one chamber, 2025-06-06) https://openstates.org/pa/bills/2025-2026/HB1500/
- HB 559: An Act amending the act of April 12, 1951 (P.L.90, No.21), known as the Liquor Code, in preliminary provisions, further providing for definitions; in… (passed both chambers, 2026-10-22) https://openstates.org/pa/bills/2025-2026/HB559/
- HB 967: An Act amending the act of December 17, 1968 (P.L.1224, No.387), known as the Unfair Trade Practices and Consumer Protection Law, further providing for… (passed one chamber, 2025-06-18) https://openstates.org/pa/bills/2025-2026/HB967/

## Campaign money (2026 cycle)

Itemized receipts $61.1K (State House Democrats median $40.4K). 94% of itemized individual money came from in state. Aggregates only; no individual donors.

## Recent statements

Newest first. Posts on X are listed by date and link only.

- 2026-03-24 · Post on X · labels: policy criticism, policy discussion · https://x.com/RepMaryIsaacson/status/2036439566115094635
- 2025-08-14 · Post on X · labels: policy criticism, policy discussion · https://x.com/RepMaryIsaacson/status/1956011484565164255
- 2025-06-04 · Post on X · labels: policy criticism, policy discussion, credit claiming · https://x.com/RepMaryIsaacson/status/1930385848362549529
- 2025-04-30 · Post on X · labels: policy discussion, bipartisanship · https://x.com/RepMaryIsaacson/status/1917643570703671723
- 2025-03-25 · Post on X · labels: policy discussion · https://x.com/RepMaryIsaacson/status/1904643666972418460
- 2025-03-20 · Post on X · labels: policy criticism, policy discussion · https://x.com/RepMaryIsaacson/status/1902821466682372463
- 2025-03-17 · Post on X · labels: policy discussion, credit claiming · https://x.com/RepMaryIsaacson/status/1901726409086664925
- 2025-02-26 · Post on X · labels: policy criticism, policy discussion · https://x.com/RepMaryIsaacson/status/1894863896135258156
- 2025-02-21 · Post on X · labels: policy criticism, policy discussion, credit claiming · https://x.com/RepMaryIsaacson/status/1892940328539136489
- 2025-02-19 · Post on X · labels: policy discussion, credit claiming · https://x.com/RepMaryIsaacson/status/1892296018839884248

## Links

- Official site: https://www.pahouse.com/isaacson
- Campaign site: https://mary4staterep.com/ https://maryisaacson.org/
- X: https://x.com/RepMaryIsaacson
- Facebook: https://www.facebook.com/RepMaryIsaacson
- Instagram: https://www.instagram.com/repmaryisaacson/
- Instagram: https://www.instagram.com/maryisaacsonpa/
- YouTube: https://www.youtube.com/playlist?list=PLjtqNtfs0bgVb5i89inOtrRfz1Y1OEzcQ
- LinkedIn: https://www.linkedin.com/in/mary-isaacson-92543118/

Full profile, with every chart and the methods: https://americaspoliticalpulse.com/p/ac9d319c-4df3-489a-890e-f7daba8c4bda