Former member of Congress
Markwayne Mullin
Republican · Former U.S. Senator for Oklahoma
Official biography (Biographical Directory of the U.S. Congress)
119th Congress, Senate
Cross-party cosponsoring how it’s measured
19.5%
23 of the 118 bills they cosponsored were introduced by another party
Cross-party support how it’s measured
57.9%
11 of the 19 bills they introduced have a cosponsor from another party
How they voted by issue area
Each vote counts in every issue area its bill has. A Yea on a procedural vote or motion doesn’t mean support for the bill. How we count these
| Issue area | Yea | Nay | Present or not voting | Votes |
|---|---|---|---|---|
| Agriculture and food | 5 | 1 | 2 | |
| Civil rights | 4 | 0 | 0 | |
| Crime and justice | 10 | 1 | 2 | |
| Defense and veterans | 9 | 1 | 2 | |
| Economy and finance | 14 | 1 | 2 | |
| Education | 9 | 1 | 2 | |
| Energy | 17 | 3 | 4 | |
| Environment | 21 | 1 | 3 | |
| Foreign affairs and trade | 8 | 6 | 2 | |
| Government and elections | 9 | 2 | 2 | |
| Healthcare | 10 | 1 | 2 | |
| Housing | 5 | 0 | 1 | |
| Immigration | 10 | 1 | 2 | |
| Labor and jobs | 8 | 1 | 2 | |
| Social safety net | 9 | 1 | 2 | |
| Taxes | 4 | 0 | 0 | |
| Technology | 12 | 1 | 2 | |
| Transportation | 9 | 1 | 2 |
Party unity over time
By month, across every Congress we cover in the Senate. Months with few party-unity votes can swing widely.
Show as a table
| Month | Party unity | With party |
|---|---|---|
| Jan 2023 | 100% | 1 of 1 |
| Feb 2023 | 100% | 27 of 27 |
| Mar 2023 | 97.8% | 44 of 45 |
| Apr 2023 | 100% | 16 of 16 |
| May 2023 | 96.6% | 28 of 29 |
| Jun 2023 | 97.1% | 33 of 34 |
| Jul 2023 | 95.2% | 20 of 21 |
| Sep 2023 | 100% | 21 of 21 |
| Oct 2023 | 96.4% | 27 of 28 |
| Nov 2023 | 94.1% | 32 of 34 |
| Dec 2023 | 93.3% | 14 of 15 |
| Jan 2024 | 78.6% | 11 of 14 |
| Feb 2024 | 92.6% | 25 of 27 |
| Mar 2024 | 93.5% | 29 of 31 |
| Apr 2024 | 100% | 22 of 22 |
| May 2024 | 80% | 12 of 15 |
| Jun 2024 | 100% | 13 of 13 |
| Jul 2024 | 100% | 16 of 16 |
| Aug 2024 | 50% | 1 of 2 |
| Sep 2024 | 90.9% | 20 of 22 |
| Nov 2024 | 100% | 43 of 43 |
| Dec 2024 | 82.1% | 23 of 28 |
| Jan 2025 | 100% | 20 of 20 |
| Feb 2025 | 100% | 68 of 68 |
| Mar 2025 | 98.1% | 52 of 53 |
| Apr 2025 | 100% | 52 of 52 |
| May 2025 | 100% | 54 of 54 |
| Jun 2025 | 100% | 72 of 72 |
| Jul 2025 | 100% | 95 of 95 |
| Aug 2025 | 100% | 23 of 23 |
| Sep 2025 | 93.1% | 27 of 29 |
| Oct 2025 | 100% | 61 of 61 |
| Nov 2025 | 100% | 20 of 20 |
| Dec 2025 | 100% | 33 of 33 |
| Jan 2026 | 88.2% | 15 of 17 |
| Feb 2026 | 100% | 23 of 23 |
| Mar 2026 | 100% | 14 of 14 |
Votes
Every vote that counts in our statistics that they were eligible for, newest first.
Showing 1–50 of 723 votes
- Mar 23, 2026Roll call 64
Motion to Invoke Cloture: Colin McDonald to be an Assistant Attorney General
Cloture · Cloture Motion Agreed to
Not voting - Mar 23, 2026Roll call 63
Confirmation: Markwayne Mullin, of Oklahoma, to be Secretary of Homeland Security
Final passage · Nomination Confirmed
YeaWith their party - Mar 22, 2026Roll call 62
Motion to Invoke Cloture: Markwayne Mullin to be Secretary of Homeland Security
Cloture · Cloture Motion Agreed to
YeaWith their party - Mar 21, 2026Roll call 61
S. 1383: On the Cloture Motion
Veterans Accessibility Advisory Committee Act of 2025
Cloture · Cloture Motion Rejected · Civil rights, Government and elections, Healthcare
NayWith their party - Mar 21, 2026Roll call 60
S. 1383: On the Cloture Motion
Veterans Accessibility Advisory Committee Act of 2025
Cloture · Cloture Motion Rejected · Civil rights, Government and elections, Healthcare
YeaWith their party - Mar 20, 2026Roll call 59
H.R. 7147: On Cloture on the Motion to Proceed
Homeland Security and Further Additional Continuing Appropriations Act, 2026.
Cloture · Cloture on the Motion to Proceed Rejected · Economy and finance, Immigration, Labor and jobs, Technology, Transportation
YeaWith their party - Mar 18, 2026Roll call 58
S.J.Res. 118: On the Motion to Discharge
A joint resolution to direct the removal of United States Armed Forces from hostilities within or against the Islamic Republic of Iran that have not been authorized by Congress.
Procedural · Motion to Discharge Rejected · Foreign affairs and trade
NayWith their party - Mar 17, 2026Roll call 57
S. 1383: On the Motion to Proceed
Veterans Accessibility Advisory Committee Act of 2025
Procedural · Motion to Proceed Agreed to · Civil rights, Government and elections, Healthcare
YeaWith their party - Mar 17, 2026Roll call 56
Confirmation: Anna St. John, of Louisiana, to be U.S. District Judge for the Eastern District of Louisiana
Final passage · Nomination Confirmed
YeaWith their party - Mar 17, 2026Roll call 55
Motion to Invoke Cloture: Anna St. John to be U.S. District Judge for the Eastern District of Louisiana
Cloture · Cloture Motion Agreed to
YeaWith their party - Mar 12, 2026Roll call 54
H.R. 7147: On Cloture on the Motion to Proceed
Homeland Security and Further Additional Continuing Appropriations Act, 2026.
Cloture · Cloture on the Motion to Proceed Rejected · Economy and finance, Immigration, Labor and jobs, Technology, Transportation
YeaWith their party - Mar 12, 2026Roll call 53
H.R. 6644: On Passage of the Bill
21st Century ROAD to Housing Act
Final passage · Bill Passed · Housing, Technology
Yea - Mar 11, 2026Roll call 52
H.R. 6644: On the Cloture Motion
21st Century ROAD to Housing Act
Cloture · Cloture Motion Agreed to · Housing, Technology
Yea - Mar 11, 2026Roll call 51
21st Century ROAD to Housing Act
Amendment · Amendment Agreed to · Housing, Technology
Yea - Mar 10, 2026Roll call 50
H.R. 6644: On the Cloture Motion
21st Century ROAD to Housing Act
Cloture · Cloture Motion Agreed to · Housing, Technology
Yea - Mar 10, 2026Roll call 49
Confirmation: Lt. Gen. Joshua M. Rudd to be General in the United States Army
Final passage · Nomination Confirmed
YeaWith their party - Mar 9, 2026Roll call 48
Motion to Invoke Cloture: Lt. Gen. Joshua M. Rudd to be General in the United States Army
Cloture · Cloture Motion Agreed to
YeaWith their party - Mar 5, 2026Roll call 47
H.R. 7147: On Cloture on the Motion to Proceed
Homeland Security and Further Additional Continuing Appropriations Act, 2026.
Cloture · Cloture on the Motion to Proceed Rejected · Economy and finance, Immigration, Labor and jobs, Technology, Transportation
YeaWith their party - Mar 4, 2026Roll call 46
S.J.Res. 104: On the Motion to Discharge
A joint resolution to direct the removal of United States Armed Forces from hostilities within or against the Islamic Republic of Iran that have not been authorized by Congress.
Procedural · Motion to Discharge Rejected · Foreign affairs and trade
NayWith their party - Mar 4, 2026Roll call 45
H.R. 6644: On the Motion to Proceed
21st Century ROAD to Housing Act
Procedural · Motion to Proceed Agreed to · Housing, Technology
Yea - Mar 2, 2026Roll call 44
H.R. 6644: On Cloture on the Motion to Proceed
21st Century ROAD to Housing Act
Cloture · Cloture on the Motion to Proceed Agreed to · Housing, Technology
Yea - Feb 26, 2026Roll call 43
Confirmation: Ryan McCormack, of Virginia, to be Under Secretary of Transportation for Policy
Final passage · Nomination Confirmed
YeaWith their party - Feb 26, 2026Roll call 42
Motion to Invoke Cloture: Ryan McCormack to be Under Secretary of Transportation for Policy
Cloture · Cloture Motion Agreed to
YeaWith their party - Feb 25, 2026Roll call 41
Confirmation: John DeLeeuw, of Texas, to be a Member of the National Transportation Safety Board
Final passage · Nomination Confirmed
YeaWith their party - Feb 25, 2026Roll call 40
Motion to Invoke Cloture: John DeLeeuw to be a Member of the National Transportation Safety Board
Cloture · Cloture Motion Agreed to
YeaWith their party - Feb 24, 2026Roll call 39
H.R. 7147: On Cloture on the Motion to Proceed
Homeland Security and Further Additional Continuing Appropriations Act, 2026.
Cloture · Cloture on the Motion to Proceed Rejected · Economy and finance, Immigration, Labor and jobs, Technology, Transportation
YeaWith their party - Feb 12, 2026Roll call 38
H.R. 7147: On Cloture on the Motion to Proceed
Homeland Security and Further Additional Continuing Appropriations Act, 2026.
Cloture · Cloture on the Motion to Proceed Rejected · Economy and finance, Immigration, Labor and jobs, Technology, Transportation
YeaWith their party - Feb 12, 2026Roll call 37
H.J.Res. 142: On the Joint Resolution
Disapproving the action of the District of Columbia Council in approving the D.C. Income and Franchise Tax Conformity and Revision Temporary Amendment Act of 2025.
Final passage · Joint Resolution Passed · Government and elections, Taxes
YeaWith their party - Feb 11, 2026Roll call 36
H.J.Res. 142: On the Motion to Proceed
Disapproving the action of the District of Columbia Council in approving the D.C. Income and Franchise Tax Conformity and Revision Temporary Amendment Act of 2025.
Procedural · Motion to Proceed Agreed to · Government and elections, Taxes
YeaWith their party - Feb 10, 2026Roll call 35
S.J.Res. 95: On the Motion to Proceed
A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Internal Revenue Service relating to "Interim Guidance Simplifying Application of the Corporate Alternative Minimum Tax to Partnerships".
Procedural · Motion to Proceed Rejected · Taxes
NayWith their party - Feb 10, 2026Roll call 34
Confirmation: Daniel E. Burrows, of Colorado, to be an Assistant Attorney General
Final passage · Nomination Confirmed
YeaWith their party - Feb 9, 2026Roll call 33
Motion to Invoke Cloture: Daniel E. Burrows to be an Assistant Attorney General
Cloture · Cloture Motion Agreed to
YeaWith their party - Feb 5, 2026Roll call 32
Confirmation: Justin R. Olson, of Indiana, to be U.S. District Judge for the Southern District of Indiana
Final passage · Nomination Confirmed
YeaWith their party - Feb 5, 2026Roll call 31
Motion to Invoke Cloture: Justin R. Olson to be U.S. District Judge for the Southern District of Indiana
Cloture · Cloture Motion Agreed to
YeaWith their party - Feb 5, 2026Roll call 30
Confirmation: Brian Charles Lea, of Tennessee, to be U.S. District Judge for the Western District of Tennessee
Final passage · Nomination Confirmed
YeaWith their party - Feb 4, 2026Roll call 29
Motion to Invoke Cloture: Brian Charles Lea to be U.S. District Judge for the Western District of Tennessee
Cloture · Cloture Motion Agreed to
YeaWith their party - Feb 4, 2026Roll call 28
Confirmation: Megan Blair Benton, of Missouri, to be U.S. District Judge for the Western District of Missouri
Final passage · Nomination Confirmed
YeaWith their party - Feb 4, 2026Roll call 27
Motion to Invoke Cloture: Megan Blair Benton to be U.S. District Judge for the Western District of Missouri
Cloture · Cloture Motion Agreed to
YeaWith their party - Feb 4, 2026Roll call 26
Confirmation: Aaron Christian Peterson, of Alaska, to be United States District Judge for the District of Alaska
Final passage · Nomination Confirmed
YeaWith their party - Feb 3, 2026Roll call 25
Motion to Invoke Cloture: Aaron Christian Peterson to be U.S. District Judge for the District of Alaska
Cloture · Cloture Motion Agreed to
YeaWith their party - Feb 3, 2026Roll call 24
Confirmation: Nicholas Jon Ganjei, of Texas, to be U.S. District Judge for the Southern District of Texas
Final passage · Nomination Confirmed
YeaWith their party - Feb 3, 2026Roll call 23
Motion to Invoke Cloture: Nicholas Jon Ganjei to be U.S. District Judge for the Southern District of Texas
Cloture · Cloture Motion Agreed to
YeaWith their party - Feb 3, 2026Roll call 22
Confirmation: David Clay Fowlkes, of Arkansas, to be U.S. District Judge for the Western District of Arkansas
Final passage · Nomination Confirmed
YeaWith their party - Feb 2, 2026Roll call 21
Motion to Invoke Cloture: David Clay Fowlkes to be United States District Judge for the Western District of Arkansas
Cloture · Cloture Motion Agreed to
YeaWith their party - Jan 30, 2026Roll call 20
H.R. 7148: On Passage of the Bill
Consolidated Appropriations Act, 2026
Final passage · Bill Passed · Agriculture and food, Crime and justice, Defense and veterans, Economy and finance, Education, Energy, Environment, Foreign affairs and trade, Government and elections, Healthcare, Housing, Immigration, Labor and jobs, Social safety net, Technology, Transportation
YeaWith their party - Jan 30, 2026Roll call 19
Consolidated Appropriations Act, 2026
Procedural · Motion Rejected · Agriculture and food, Crime and justice, Defense and veterans, Economy and finance, Education, Energy, Environment, Foreign affairs and trade, Government and elections, Healthcare, Housing, Immigration, Labor and jobs, Social safety net, Technology, Transportation
NayWith their party - Jan 30, 2026Roll call 18
Consolidated Appropriations Act, 2026
Amendment · Amendment Rejected · Agriculture and food, Crime and justice, Defense and veterans, Economy and finance, Education, Energy, Environment, Foreign affairs and trade, Government and elections, Healthcare, Housing, Immigration, Labor and jobs, Social safety net, Technology, Transportation
NayWith their party - Jan 30, 2026Roll call 17
H.R. 7148: On the Motion to Table
Consolidated Appropriations Act, 2026
Procedural · Motion to Table Agreed to · Agriculture and food, Crime and justice, Defense and veterans, Economy and finance, Education, Energy, Environment, Foreign affairs and trade, Government and elections, Healthcare, Housing, Immigration, Labor and jobs, Social safety net, Technology, Transportation
NayWith their party - Jan 30, 2026Roll call 16
H.R. 7148: On the Motion to Table
Consolidated Appropriations Act, 2026
Procedural · Motion to Table Agreed to · Agriculture and food, Crime and justice, Defense and veterans, Economy and finance, Education, Energy, Environment, Foreign affairs and trade, Government and elections, Healthcare, Housing, Immigration, Labor and jobs, Social safety net, Technology, Transportation
NayWith their party - Jan 30, 2026Roll call 15
H.R. 7148: On the Motion to Table
Consolidated Appropriations Act, 2026
Procedural · Motion to Table Agreed to · Agriculture and food, Crime and justice, Defense and veterans, Economy and finance, Education, Energy, Environment, Foreign affairs and trade, Government and elections, Healthcare, Housing, Immigration, Labor and jobs, Social safety net, Technology, Transportation
YeaAgainst their party
Bills
The bills and joint resolutions behind the bipartisanship numbers, newest first. How we count these
Introduced (19)
- S. 3994: PRIME Meat Processing in Indian Country ActCosponsor from another party
- S. 3946: Tribal Firearm Access Act
- S. 3945: Tribal Police Department Parity Act
- S. 3302: Mikaela Naylon Give Kids a Chance Act of 2025Cosponsor from another party
- S. 3111: Small Businesses before Bureaucrats Act
- S. 2898: Dennis John Benigno Traumatic Brain Injury Program Reauthorization Act of 2025Cosponsor from another party
- S.J.Res. 79: A joint resolution honoring the sacrifice of Marine Corps Lance Corporal David L. Espinoza, Marine Corps Sergeant Nicole L. Gee, Marine Corps Staff Sergeant Darin Taylor Hoover, Army Staff Sergeant Ryan Christian Knauss, Marine Corps Corporal Hunter Lopez, Marine Corps Lance Corporal Rylee J. McCollum, Marine Corps Lance Corporal Dylan R. Merola, Marine Corps Lance Corporal Kareem M. Nikoui, Marine Corps Corporal Daegan W. Page, Marine Corps Sergeant Johanny Rosario, Marine Corps Corporal Humberto A. Sanchez, Marine Corps Lance Corporal Jared M. Schmitz, and Navy Petty Officer Third Class Maxton W. Soviak.Cosponsor from another party
- S. 2257: Legislative Branch Appropriations Act, 2026
- S. 2027: Prescription Information Modernization Act of 2025Cosponsor from another party
- S. 1823: Black Vulture Relief Act of 2025
Cosponsored (118)
- S. 3909: Stop Illegal Alien Cops Act
- S. 3752: SAVE America Act
- S.J.Res. 102: A joint resolution disapproving the action of the District of Columbia Council in approving the D.C. Income and Franchise Tax Conformity and Revision Temporary Amendment Act of 2025.
- S. 3675: ICE Protection Act of 2026
- S. 3627: Pregnant Students’ Rights Act
- S. 3606: Fraud Accountability Act
- S. 3584: Stop Illegal Aliens Drunk Driving
- S. 3478: Indian Buffalo Management ActIntroduced by another party
- S. 3366: Back the Blue Act of 2025
- S. 3358: Native American Seeds Act of 2025Introduced by another party
Service
Seats held in the Congresses we cover, from the 117th (2021) on.
Senator for Oklahoma
January 3, 2023 – March 23, 2026 · Republican
Representative for Oklahoma's 2nd district
January 3, 2021 – January 3, 2023 · Republican