Congress is out of session until Monday, November 9 for the midterm campaign. No new roll-call votes until then; the last were the House on Sep 16 and the Senate on Sep 30.

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How did Markwayne Mullin vote on Congress?

Markwayne Mullin voted Yea on 10 and Nay on 1 of the 19 Congress roll calls in the Senate in the 119th Congress, and did not vote on 1, as of Nov 4, 2026.

On the 11 of those where most Democrats and most Republicans voted on opposite sides, he voted with Republicans 100% of the time (median for Senate Republicans: 100%).

Congress votes
Yea10
Nay1
Did not vote1
Congress roll calls in the Senate19
With Republicans on party-line votes11 of 11 (100%)
Senate Republicans, median100%

Source: Voteview roll calls (UCLA) · policy area of each bill from congress.gov · How we measure · Updated Nov 4, 2026

The 10 most recent of 12 Congress votes

DateMeasureTitleVote Party split (yea)Result
Dec 11, 2025 S.Res. 532 An executive resolution authorizing the en bloc consideration in Executive Session of certain nominations on the Executive Calendar.On the Resolution Yea Passed
52–47
Dec 10, 2025 S.Res. 532 An executive resolution authorizing the en bloc consideration in Executive Session of certain nominations on the Executive Calendar.On the Cloture Motion Yea Passed
51–47
Dec 4, 2025 S.Res. 520 An executive resolution authorizing the en bloc consideration in Executive Session of certain nominations on the Executive Calendar.On the Cloture Motion Yea Failed
43–37
Oct 3, 2025 S.Res. 412 An executive resolution authorizing the en bloc consideration in Executive Session of certain nominations on the Executive Calendar.On the Resolution Yea Passed
51–46
Oct 1, 2025 S.Res. 412 An executive resolution authorizing the en bloc consideration in Executive Session of certain nominations on the Executive Calendar.On the Cloture Motion Yea Passed
53–46
Sep 15, 2025 S.Res. 377 An executive resolution authorizing the en bloc consideration in Executive Session of certain nominations on the Executive Calendar.On the Resolution · This resolution provides for the en bloc consideration in Executive Session of nominations for various executive officers and ambassadors. Yea Passed
51–44
Sep 11, 2025 S.Res. 377 An executive resolution authorizing the en bloc consideration in Executive Session of certain nominations on the Executive Calendar.On the Cloture Motion · This resolution provides for the en bloc consideration in Executive Session of nominations for various executive officers and ambassadors. Yea Passed
53–43
Sep 11, 2025 S.Res. 377 An executive resolution authorizing the en bloc consideration in Executive Session of certain nominations on the Executive Calendar.On the Decision of the Chair · This resolution provides for the en bloc consideration in Executive Session of nominations for various executive officers and ambassadors. Nay Failed
45–53
Sep 11, 2025 S.Res. 377 An executive resolution authorizing the en bloc consideration in Executive Session of certain nominations on the Executive Calendar.On the Motion to Reconsider · This resolution provides for the en bloc consideration in Executive Session of nominations for various executive officers and ambassadors. Not voting Passed
52–45
Sep 11, 2025 S.Res. 377 An executive resolution authorizing the en bloc consideration in Executive Session of certain nominations on the Executive Calendar.On the Cloture Motion · This resolution provides for the en bloc consideration in Executive Session of nominations for various executive officers and ambassadors. Yea Failed
52–47

All 12 are in the full voting record, part of Pro.