Historical Profile
Markwayne Mullin is no longer an active U.S. Senator. The information below reflects their most recent term.
Markwayne Mullin
Former U.S. Senator for Oklahoma
Biography
Markwayne Mullin served as the junior senator from Oklahoma from 2023 to 2026. He previously represented Oklahoma's 2nd congressional district in the House. He is a member of the Cherokee Nation and a former professional MMA fighter. He resigned from the Senate on March 23, 2026, after being confirmed as the United States Secretary of Homeland Security.
Markwayne Mullin represented Oklahoma in the U.S. Senate from 2023 to 2026, sat on 5 committees.
Key Information
- Full Name: Markwayne Mullin
- Born: July 26, 1977
- Birthplace: Tulsa, OK
- Term Started: January 3, 2023
- Term Ended: March 23, 2026
- Senate Class: Class II
Service History
- Jan 3, 2023 – Mar 23, 2026 118th–119th Congresses Republican Oklahoma
Service dates from the official U.S. Senate historical roster. For senators who changed party affiliation during their service, the party shown for each period is approximate.
Current Senators from Oklahoma
Served With
Senators who represented the same state during Mullin's service:
- James Lankford (OK) 2023–2026
Most Recent Voting History
Last 10 of 1,414 roll-call votes cast between 2023 and 2026 (roll-call records begin in 1989).
Not Voting
Vote #64
On the Cloture Motion PN786-9 (PN 786-9)
Colin McDonald, of California, to be an Assistant Attorney General
Yea
Vote #63
On the Nomination PN858 (PN 858)
Markwayne Mullin, of Oklahoma, to be Secretary of Homeland Security
Yea
Vote #62
On the Cloture Motion PN858 (PN 858)
Markwayne Mullin, of Oklahoma, to be Secretary of Homeland Security
Nay
Vote #61
On the Cloture Motion S. 1383 (S. 1383)
A bill to establish the Veterans Advisory Committee on Equal Access, and for other purposes.
Yea
Vote #60
On the Cloture Motion S.Amdt. 4421 to S.Amdt. 4420 to S. 1383 (No short title on file)
Amendment S.Amdt. 4421 (To protect women and girls in athletics.)
Yea
Vote #59
On Cloture on the Motion to Proceed H.R. 7147 (H.R. 7147)
A bill making further consolidated appropriations for the fiscal year ending September 30, 2026, and for other purposes.
Nay
Vote #58
On the Motion to Discharge S.J.Res. 118 (S.J.Res. 118)
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.
Yea
Vote #57
On the Motion to Proceed S. 1383 (S. 1383)
A bill to establish the Veterans Advisory Committee on Equal Access, and for other purposes.
Yea
Vote #56
On the Nomination PN787-4 (PN 787-4)
Anna St. John, of Louisiana, to be United States District Judge for the Eastern District of Louisiana
Yea
Vote #55
On the Cloture Motion PN787-4 (PN 787-4)
Anna St. John, of Louisiana, to be United States District Judge for the Eastern District of Louisiana
Source: Official U.S. Senate roll-call votes (senate.gov ↗).