Photo of Markwayne Mullin
R United States Senate · Oklahoma

Sen. Markwayne Mullin

Compare
Total votes
1,513
all sessions
Attendance
96%
53 missed
Lower than 77% of chamber peers
With party
94%
of cast votes
Near the chamber average
Bipartisan score
3%
crosses aisle rarely
Lower than 76% of chamber peers
Sponsored
807
bills & resolutions
Lower than 93% of chamber peers
Committees
0
assignments
807 bills and resolutions

Sponsored bills

Total
807
Primary
70
Co-sponsor
737
This page
807
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Co-sponsor SRES 80
Passed · United States Senate · Co-sponsor
A resolution expressing gratitude to the Joint Congressional Committee on Inaugural Ceremonies, the Architect of the Capitol, the Sergeant at Arms, the Secretary of the Senate, law enforcement officers, emergency personnel, and volunteers for their support in making the Presidential Inauguration a success.

Maddy summarySRES 80 is a Senate resolution introduced on February 13, 2025, expressing gratitude to the Joint Congressional Committee on Inaugural Ceremonies, the Architect of the Capitol, the Sergeant at Arms, the Secretary of the Senate, law enforcement officers, emergency personnel, and volunteers. It specifically acknowledges their work during the January 20, 2025 inauguration of President Donald J. Trump, noting their efforts to adapt to cold weather challenges that required relocating events indoors. The resolution has no policy impact and serves solely as a ceremonial acknowledgment of their contributions to the inauguration's security and success.

Passed Feb 13, 2025 1 co-sponsor
Co-sponsor S 587
In committee · United States Senate · Co-sponsor
Death Tax Repeal Act of 2025

Maddy summaryThis bill repeals the federal estate tax and generation-skipping transfer tax for estates of people who die on or after the bill's enactment date, directly affecting heirs of large estates (typically valued over $13 million for 2025). It also modifies the gift tax by establishing a $10 million lifetime exemption (adjusted for inflation), replacing the current exemption amount. The bill sets new tax brackets for gifts exceeding this threshold and adjusts the calculation method for gift tax liability. These changes apply to gifts made or estates settled after the bill becomes law, with no impact on existing estate plans or transfers before enactment.

In committee Feb 13, 2025 1 co-sponsor
Co-sponsor S 533
In committee · United States Senate · Co-sponsor
National Right-to-Work Act

Maddy summaryS 533, the National Right-to-Work Act, eliminates requirements for workers to join a union or pay dues as a condition of employment in private-sector workplaces and railroads. It amends the National Labor Relations Act (NLRA) and Railway Labor Act by removing language that allowed "union security agreements," meaning employers and unions can no longer mandate union membership or financial dues for employees. This directly affects workers in unionized private companies and railroad jobs covered by collective bargaining agreements. The law applies to new or renewed contracts after its enactment, changing how labor agreements can structure financial obligations for employees.

In committee Feb 12, 2025 1 co-sponsor
Co-sponsor S 554
In committee · United States Senate · Co-sponsor
United States-Israel Defense Partnership Act of 2025

Maddy summaryThis bill establishes a formal U.S.-Israel defense partnership focused on joint development of counter-unmanned systems technology, authorizing $150 million annually from 2026-2030 for a dedicated program. It directly affects U.S. and Israeli defense departments, contractors, and military personnel through collaborative research, joint training, and shared procurement of counter-drone systems. Additional provisions include extending existing anti-tunnel and counter-UAS cooperation with increased funding, creating a new emerging tech program for AI/cybersecurity collaboration, and establishing a U.S. Defense Innovation Unit office in Israel. The bill requires annual reports to Congress on program progress and mandates semiannual financial oversight for all joint activities.

In committee Feb 12, 2025 1 co-sponsor
Co-sponsor S 556
In committee · United States Senate · Co-sponsor
Enhanced Iran Sanctions Act of 2025

Maddy summaryThis bill imposes new sanctions on foreign entities (including banks, insurers, and logistics companies) that knowingly facilitate Iran's oil, gas, LNG, or petrochemical exports. It blocks U.S. property of sanctioned entities and bars targeted individuals from entering the U.S. via visa restrictions or revocation. Exceptions cover goods imports and certain international obligations, while the President may grant limited 180-day waivers for national security reasons, subject to congressional reporting. The law aims to disrupt Iran's energy revenue streams used for terrorism, weapons programs, and repression, with enforcement coordinated through a new interagency working group.

In committee Feb 12, 2025 1 co-sponsor
Co-sponsor SRES 55
Passed · United States Senate · Co-sponsor
A resolution recognizing January 2025 as "National Mentoring Month".

Maddy summarySRES 55 is a Senate resolution designating January 2025 as "National Mentoring Month." It formally recognizes the value of mentoring relationships in supporting youth development, highlighting benefits like improved academic outcomes, mental health, career exploration, and reduced juvenile delinquency. The resolution encourages expanding mentoring programs in communities, schools, and workplaces to address the "mentoring gap" where one-third of U.S. youth lack consistent mentorship. As a symbolic measure, it aims to raise public awareness and promote cross-sector collaboration without creating new laws or funding.

Passed Feb 4, 2025 1 co-sponsor
Co-sponsor S 401
In committee · United States Senate · Co-sponsor
Fair Access to Banking Act

Maddy summaryThe Fair Access to Banking Act (S 401) prohibits large financial institutions ($10 billion+ in assets) and payment networks from denying services to lawful businesses based on political or reputational factors, such as the type of legal business they operate. It requires banks to justify denials using objective, risk-based standards instead of category-based decisions, and mandates written explanations for denials. The law enables lawsuits against violators with treble damages and civil penalties up to 10% of service value (capped at $10,000 per violation). It directly affects major banks, payment processors, and credit unions that serve large-scale customers, ensuring fair access for businesses operating within federal law.

In committee Feb 4, 2025 1 co-sponsor
Co-sponsor S 364
In committee · United States Senate · Co-sponsor
Hearing Protection Act

Maddy summaryS 364, titled the "Hearing Protection Act" (though it regulates firearm silencers, not hearing protection), changes federal law to treat firearm silencers like firearms for tax and regulatory purposes. It imposes a 10% federal tax on silencers (similar to firearms), preempts state laws that tax or regulate silencers beyond federal rules, and requires the destruction of existing silencer registration records within one year. The bill clarifies definitions of "firearm silencer" in federal law and modifies licensing requirements for these devices. This directly affects silencer owners, manufacturers, and state governments that previously imposed additional restrictions or taxes.

In committee Feb 3, 2025 1 co-sponsor
Co-sponsor S 334
In committee · United States Senate · Co-sponsor
American Values Act

Maddy summaryThis bill permanently prohibits U.S. foreign assistance funds from being used for abortions, involuntary sterilizations, or related biomedical research. It amends the Foreign Assistance Act of 1961 and the Peace Corps Act to block funding for organizations supporting coercive abortion or sterilization programs. The law directly affects all U.S. government programs distributing foreign aid, including international health and development initiatives. It ensures funds cannot cover abortion services as family planning, lobbying on abortion, or programs involving coercion.

In committee Jan 30, 2025 1 co-sponsor
Co-sponsor S 339
In committee · United States Senate · Co-sponsor
A bill to amend title XVIII of the Social Security Act to provide for Medicare coverage of multi-cancer early detection screening tests.

Nancy Gardner Sewell Medicare Multi-Cancer Early Detection Screening Coverage Act This bill allows, beginning in 2028, for Medicare coverage and payment for multi-cancer early detection screening tests that are approved by the Food and Drug Administration and that are used to screen for cancer across many cancer types, if the Centers for Medicare & Medicaid Services determines such coverage is appropriate. Coverage is limited to those under a certain age (age 68 in 2028, increased by one year every year thereafter) and to one test every 11 months.

In committee Jan 30, 2025 1 co-sponsor
Showing 151 to 160 of 807 bills
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