Cynthia M. Lummis

Cynthia Marie Lummis Wiederspahn is an American attorney and politician serving as the junior United States senator from Wyoming since 2021. A member of the Republican Party, Lummis served as the U.S. representative for Wyoming's at-large congressional district from 2009 to 2017. She served in the Wyoming House of Representatives from 1979 to 1983 and from 1985 to 1993, in the Wyoming Senate from 1993 to 1995, and as the Wyoming State Treasurer from 1999 to 2007.

Source: Wikipedia • View full (CC BY-SA)

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Voting Record — 843

Yes71%

No26%

Present0%

Not Voting3%

Party align99%

Cross-party0%

SoupScore

District Map

Senate District (Statewide)

U.S. Census Bureau boundary data.

Social & Web

Official site X @SenLummis Facebook Instagram

External Resources

Wikipedia Ballotpedia VoteSmart GovTrack OpenSecrets

Cynthia M. Lummis

U.S. SenatorRepublicanWyoming

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Cynthia M.'s ATmosphere Activity

45 sponsored · 211 cosponsored

Recent ATmosphere posts, sponsorships, and cosponsorships.

No Bluesky profile connected for this member yet.

Sponsored Bills(45)

S. 4806 (119th)
A bill to clarify that the interconnection of large load facilities directly to facilities u…
S. 4619 (119th)
A bill to amend the Clean Air Act to exclude marginal wells from certain standards of perfor…
S. 4529 (119th)
A bill to require the Nuclear Regulatory Commission to allow the use of commercial-grade ste…
S. 4267 (119th)
A bill to codify certain Executive orders relating to nuclear energy.
S. 4146 (119th)
A bill to amend the Endangered Species Act of 1973 with respect to the listing of threatened…

Cosponsored Bills(211)

S. Res. 772 (119th)
A resolution expressing the sense of the Senate that under no circumstances should Samuel Ba…
Joined: 2026-06-17
S. 4787 (119th)
A bill to expedite resolution of certain administrative proceedings at the Department of the…
Joined: 2026-06-15
S. 4765 (119th)
A bill to provide for certain energy development, permitting reforms, and for other purposes…
Joined: 2026-06-11
S. 4762 (119th)
A bill to require the Secretary of Homeland Security to conduct annual assessments on threat…
Joined: 2026-06-11
S. 4775 (119th)
A bill to amend the Protection of Lawful Commerce in Arms Act to clarify liability protectio…
Joined: 2026-06-11

Leadership

No leadership roles

Committees

SoupScore Breakdown

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Voting History

843 total votes

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Recent roll calls with party-majority context so it is easier to scan how this member tends to vote.

Date	Bill	Question	Position	Party Maj	Align?	Result
2026-06-23	H. Con. Res. 86 (119th)	Accept House changes	NO	NO	✓	Concurrent Resolution Agreed to (50-48)
2026-06-23	—	Confirm nominee	YES	YES	✓	Nomination Confirmed (67-30)
2026-06-22	H.R. 6644 (119th)	Accept House changes	YES	YES	✓	Motion Agreed to (85-5)
2026-06-18	—	Confirm nominee	YES	YES	✓	Nomination Confirmed (48-39)
2026-06-18	H.R. 6644 (119th)	End debate	YES	YES	✓	Cloture Motion Agreed to (84-8, 3/5 majority required)
2026-06-17	S. Res. 616 (119th)	Motion to Discharge S.Res. 616	NO	NO	✓	Motion to Discharge Rejected (44-50)
2026-06-17	—	End debate	YES	YES	✓	Cloture Motion Agreed to (54-41)
2026-06-17	—	Confirm nominee	YES	YES	✓	Nomination Confirmed (55-39)
2026-06-17	—	End debate	YES	YES	✓	Cloture Motion Agreed to (54-41)
2026-06-16	H.R. 6644 (119th)	Begin consideration	YES	YES	✓	Motion to Proceed Agreed to (87-8)
2026-06-16	S.J. Res. 172 (119th)	Motion to Discharge S.J.Res. 172	NO	NO	✓	Motion to Discharge Rejected (47-48)
2026-06-16	S.J. Res. 190 (119th)	Begin consideration	NOT_VOTING	NO	—	Motion to Proceed Rejected (46-48)
2026-06-15	—	Confirm nominee	NOT_VOTING	YES	—	Nomination Confirmed (48-43)
2026-06-11	—	End debate	YES	YES	✓	Cloture Motion Agreed to (47-43)
2026-06-11	—	Confirm nominee	YES	YES	✓	Nomination Confirmed (49-44)
2026-06-10	—	End debate	YES	YES	✓	Cloture Motion Agreed to (51-44)
2026-06-10	—	Confirm nominee	YES	YES	✓	Nomination Confirmed (50-44)
2026-06-10	—	End debate	YES	YES	✓	Cloture Motion Agreed to (48-45)
2026-06-09	—	Confirm nominee	YES	YES	✓	Nomination Confirmed (51-46)
2026-06-08	—	End debate	YES	YES	✓	Cloture Motion Agreed to (49-42)
2026-06-05	—	Motion (Motion to Waive All Budgetary Discipline Re: Lee Amdt. No. 5804)	YES	YES	✓	Motion Rejected (50-49, 3/5 majority required)
2026-06-05	S. 2 (119th)	Motion (Wyden Motion to Commit S. 2 to the Committee on the Judiciary with Instructions)	NO	NO	✓	Motion Rejected (48-51)
2026-06-05	S. 1318 (119th)	Begin consideration	YES	YES	✓	Motion to Proceed Rejected (47-52)
2026-06-05	S. 2 (119th)	Final passage	YES	YES	✓	Bill Passed (52-47)
2026-06-05	—	Motion (Motion to Waive All Applicable Budgetary Discipline Re: Schiff Amdt. No. 5740)	NO	NO	✓	Motion Rejected (51-48, 3/5 majority required)
2026-06-05	—	Motion (Motion to Waive All Applicable Budgetary Discipline Re: Van Hollen Amdt. No. 5632)	NO	NO	✓	Motion Rejected (53-46, 3/5 majority required)
2026-06-05	S. 2 (119th)	Vote on amendment	NO	NO	✓	Amendment Rejected (45-53)
2026-06-05	—	Motion (Motion to Waive All Applicable Budgetary Discipline Re: Cassidy Amdt. No. 5812)	NO	NO	✓	Motion Rejected (52-47, 3/5 majority required)
2026-06-05	—	Motion (Motion to Waive All Applicable Budgetary Discipline Re: Coons Amdt. No. 5457)	NO	NO	✓	Motion Rejected (54-45, 3/5 majority required)
2026-06-05	S. 2 (119th)	Vote on amendment	NO	NO	✓	Amendment Rejected (46-53)
2026-06-05	S. 2 (119th)	Vote on amendment	NO	NO	✓	Amendment Rejected (47-52)
2026-06-05	S. 2 (119th)	Vote on amendment	NO	NO	✓	Amendment Rejected (46-53)
2026-06-05	S. 2 (119th)	Vote on amendment	NO	NO	✓	Amendment Rejected (46-53)
2026-06-05	—	Motion (Motion to Waive All Applicable Budgetary Discipline Re: Durbin Amdt. No. 5806)	NO	NO	✓	Motion Rejected (48-51, 3/5 majority required)
2026-06-04	—	Motion (Motion to Waive All Applicable Budgetary Discipline Re: Booker Amdt. No. 5803)	NO	NO	✓	Motion Rejected (46-53, 3/5 majority required)
2026-06-04	—	Motion (Motion to Waive All Applicable Budgetary Discipline Re: Baldwin Amdt. No. 5485)	NO	NO	✓	Motion Rejected (46-53, 3/5 majority required)
2026-06-04	—	Motion (Motion to Waive All Applicable Budgetary Discipline Re: Sanders Amdt. No. 5451)	NO	NO	✓	Motion Rejected (45-53, 3/5 majority required)
2026-06-04	S. 2 (119th)	Motion (Warnock Motion to Commit S. 2 to the Committee on the Judiciary with Instructions)	NO	NO	✓	Motion Rejected (46-52)
2026-06-04	—	Motion (Motion to Waive All Applicable Budgetary Discipline Re: Kim Amdt. No. 5545)	NO	NO	✓	Motion Rejected (46-53, 3/5 majority required)
2026-06-04	—	Motion (Motion to Waive All Applicable Budgetary Discipline Re: Hickenlooper Amdt. No. 5501)	NO	NO	✓	Motion Rejected (51-47, 3/5 majority required)
2026-06-04	—	Motion (Motion to Waive All Applicable Budgetary Discipline Re: Graham Amdt. No. 5779)	YES	YES	✓	Motion Rejected (48-50, 3/5 majority required)
2026-06-04	—	Motion (Motion to Waive All Applicable Budgetary Discipline Re: Warner Amdt. No. 5556)	NO	NO	✓	Motion Rejected (49-49, 3/5 majority required)
2026-06-04	—	Motion (Motion to Waive All Applicable Budgetary Discipline Re: Hassan Amdt. No. 5535)	NO	NO	✓	Motion Rejected (46-52, 3/5 majority required)
2026-06-04	S. 2 (119th)	Motion (Ossoff Motion to Commit S. 2 to the Committee on the Judiciary with Instructions)	NO	NO	✓	Motion Rejected (47-50)
2026-06-04	—	Motion (Motion to Waive All Applicable Budgetary Discipline Re: Reed Amdt. No. 5514)	NO	NO	✓	Motion Rejected (46-53, 3/5 majority required)
2026-06-04	—	Motion (Motion to Waive All Applicable Budgetary Discipline Re: Merkley Amdt. No. 5512)	NO	NO	✓	Motion Rejected (53-46, 3/5 majority required)
2026-06-04	—	Motion (Motion to Waive All Applicable Budgetary Discipline Re: Tillis Amdt. No. 5452)	NO	NO	✓	Motion Rejected (15-84)
2026-06-04	S. 2 (119th)	Motion (Schumer motion to commit S.2 to the Committee on the Judiciary with instructions)	NO	NO	✓	Motion Rejected (49-50)
2026-06-03	S. 2 (119th)	Begin consideration	YES	YES	✓	Motion to Proceed Agreed to (53-46)
2026-06-03	S.J. Res. 188 (119th)	Begin consideration	NO	NO	✓	Motion to Proceed Rejected (46-53)

Alignment stats consider only votes where a clear yes/no majority existed for the legislator's party. Cross-party marks divergence where the vote matched the opposite party majority. ↔ indicates cross-party divergence.

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