Markwayne Mullin

Former U.S. Senator for Oklahoma

Republican · Since 2023 · Age 48 · Junior senator

Served until Mar 23, 2026

Official website

Last updated Oct 2, 2026 · 4 sources

Markwayne Mullin was the junior U.S. Senator for Oklahoma, a Republican who served from 2023 until Mar 23, 2026.

In the Senate's last 30 days in session (Jan 29 – Mar 23, 2026), Mullin voted in 51 of 52 roll calls (98%). In that period, 13 bills Mullin sponsored or cosponsored had new actions.

1 bill Mullin sponsored has become law in the 119th Congress.

This week (Mar 23 – Mar 29, 2026)

Full schedule →

Senate: met Mon–Thu (Mar 23–26, 2026)

2 roll-call votes: 1 Not Voting, 1 Yea

Votes

All of them →

Voted in 51 of 52 roll calls (98%), Jan 29 – Mar 23, 2026.

Mullin voted with the majority of Senate Republicans on 49 roll calls and against it on 2.

Votes against the party majority and missed votes

Markwayne Mullin's most recent votes against the party majority and missed votes
Date	Vote	Question	Result	Markwayne Mullin	Note
Mar 23	No. 64	On the Cloture Motion PN786-9Motion to Invoke Cloture: Colin McDonald to be an Assistant Attorney General	Cloture Motion Agreed to	Not Voting	Did not vote
Jan 30	No. 15	On the Motion to Table H.R. 7148Motion to Table Lee Amdt. No. 4236	Motion to Table Agreed to	Yea	Most Senate Republicans: Nay
Jan 30	No. 14	On the Amendment H.R. 7148Paul Amdt. No. 4272	Amendment Rejected	Nay	Most Senate Republicans: Yea

Legislation

23 bills sponsored and 157 cosponsored in the 119th Congress · 1 became law

S. 1756 Conscience Protection Act of 2025
Cosponsor · Latest action Mar 19, 2026: Committee on Health, Education, Labor, and Pensions. Hearings held.
This bill explicitly prohibits penalizing health care entities (e.g., health care providers, insurers) for declining to participate in or facilitate abortion services.
S. 2859 Equal Campus Access Act of 2025
Cosponsor · Latest action Mar 19, 2026: Committee on Health, Education, Labor, and Pensions. Hearings held.
This bill prohibits funding made available under the Higher Education Act of 1965 from being provided to any public institution of higher education (IHE) that denies certain campus rights to religious student organizations.
S. 3994 PRIME Meat Processing in Indian Country Act
Sponsor · Latest action Mar 4, 2026: Read twice and referred to the Committee on Indian Affairs.