01 Apr Cynthia M. Lummis
Cynthia M. Lummis
Senator — Wyoming
Republican
Serving since 2009 (7 terms) · Born 1954
Not seeking re-election
2552
Total Votes
Total Votes
1243
Nay
Nay
112
Not Voting
Not Voting
1197
Yea
Yea
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.
BiographyCynthia Marie Lummis Wiederspahn is an American attorney and politician serving as the junior United States senator from Wyoming since 2021.Read more →
Committees
Committee Assignments — 119th Congress
Committee data not yet ingested for this member.
Money & Influence
Top Funders 2026
No FEC filings on record for this member yet. Search FEC.gov.
Recent Stock Trades
No STOCK Act disclosures on file in the past 180 days.
Legislative Activity
Recent Voting Record (100 shown)
| Date | Bill | Question | Vote | Result |
|---|---|---|---|---|
| 2026-09-30 | HR7008 | On Cloture on the Motion to Proceed H.R. 7008 | Yea | Cloture on the Motion to Proceed Rejected (53-47, 3/5 majority required) |
| 2026-09-30 | PN1129 | On the Nomination PN1129 | Yea | Nomination Confirmed (47-41) |
| 2026-09-30 | PN1129 | On the Cloture Motion PN1129 | Yea | Cloture Motion Agreed to (53-47) |
| 2026-09-30 | HR9340 | On Cloture on the Motion to Proceed H.R. 9340 | Yea | Cloture on the Motion to Proceed Rejected (57-43, 3/5 majority required) |
| 2026-09-29 | SRes852 | On the Motion to Discharge S.Res. 852 | Nay | Motion to Discharge Rejected (47-51) |
| 2026-09-29 | SJRes197 | On the Motion to Proceed S.J.Res. 197 | Nay | Motion to Proceed Rejected (48-51) |
| 2026-09-28 | S4668 | On Passage of the Bill S. 4668 | Yea | Bill Passed (77-22) |
| 2026-09-28 | S4668 | On the Amendment S.Amdt. 6835 to S.Amdt. 6776 to S. 4668 (No short title on file) | Nay | Amendment Rejected (47-52) |
| 2026-09-28 | S4668 | On the Amendment S.Amdt. 6805 to S.Amdt. 6776 to S. 4668 (No short title on file) | Nay | Amendment Rejected (49-50) |
| 2026-09-28 | S4668 | On the Amendment S.Amdt. 6760 to S.Amdt. 6776 to S. 4668 (No short title on file) | Nay | Amendment Rejected (42-54, 3/5 majority required) |
| 2026-09-28 | S4668 | On the Amendment S.Amdt. 6758 to S.Amdt. 6776 to S. 4668 (No short title on file) | Nay | Amendment Rejected (1-94) |
| 2026-09-28 | S4668 | On the Amendment S.Amdt. 6828 to S.Amdt. 6776 to S. 4668 (No short title on file) | Yea | Amendment Agreed to (96-1) |
| 2026-09-24 | S4668 | On the Cloture Motion S. 4668 | Yea | Cloture Motion Agreed to (74-25, 3/5 majority required) |
| 2026-09-24 | S4668 | On the Amendment S.Amdt. 6776 to S. 4668 (No short title on file) | Yea | Amendment Agreed to (77-23) |
| 2026-09-24 | HConRes89 | On the Concurrent Resolution H.Con.Res. 89 | Nay | Concurrent Resolution Rejected (49-50) |
| 2026-09-23 | PN999-1 | On the Nomination PN999-1 | Yea | Nomination Confirmed (50-47) |
| 2026-09-22 | S4668 | On the Cloture Motion S.Amdt. 6776 to S. 4668 (No short title on file) | Yea | Cloture Motion Agreed to (70-21, 3/5 majority required) |
| 2026-09-22 | PN999-1 | On the Cloture Motion PN999-1 | Yea | Cloture Motion Agreed to (52-43) |
| 2026-09-17 | PN999-4 | On the Nomination PN999-4 | Yea | Nomination Confirmed (49-45) |
| 2026-09-17 | PN999-4 | On the Cloture Motion PN999-4 | Yea | Cloture Motion Agreed to (49-47) |
| 2026-09-17 | S4668 | On the Motion to Proceed S. 4668 | Yea | Motion to Proceed Agreed to (77-22) |
| 2026-09-15 | PN1093-3 | On the Nomination PN1093-3 | Yea | Nomination Confirmed (52-45) |
| 2026-09-15 | S4668 | On Cloture on the Motion to Proceed S. 4668 | Yea | Cloture on the Motion to Proceed Agreed to (74-24, 3/5 majority required) |
| 2026-09-15 | HR3633 | On Cloture on the Motion to Proceed H.R. 3633 | Yea | Cloture on the Motion to Proceed Rejected (49-50, 3/5 majority required) |
| 2026-09-14 | PN1093-3 | On the Cloture Motion PN1093-3 | Yea | Cloture Motion Agreed to (47-46) |
| 2026-08-08 | S5271 | On Cloture on the Motion to Proceed S. 5271 | Yea | Cloture on the Motion to Proceed Rejected (52-46, 3/5 majority required) |
| 2026-08-08 | PN1078 | On the Nomination PN1078 | Yea | Nomination Confirmed (50-49) |
| 2026-08-08 | PN1078 | On the Cloture Motion PN1078 | Yea | Cloture Motion Agreed to (50-49) |
| 2026-08-08 | HR6500 | On Passage of the Bill H.R. 6500 | Yea | Bill Passed (90-6, 3/5 majority required) |
| 2026-08-08 | HR6500 | On the Motion to Table S.Amdt. 6747 to S.Amdt. 6732 to H.R. 6500 (No short title on file) | Nay | Motion to Table Agreed to (61-32) |
| 2026-08-07 | HR5334 | On the Amendment S.Amdt. 6715 to S.Amdt. 6711 to H.R. 5334 (No short title on file) | Not Voting | Amendment Rejected (32-64) |
| 2026-08-07 | HR6500 | On the Cloture Motion S.Amdt. 6732 to H.R. 6500 (No short title on file) | Not Voting | Cloture Motion Agreed to (91-6, 3/5 majority required) |
| 2026-08-07 | PN730-11 | On the Nomination PN961-1 and PN937-5 and PN901-1 and PN730-38 and PN962-3 and PN931-6 and PN1022-25 and PN806-5 and PN1022-10 and PN1012 and PN931-5 and PN931-4 and PN937-2 and PN1022-22 and PN962-1 | Not Voting | Nomination Confirmed (51-47) |
| 2026-08-05 | PN932 | On the Cloture Motion PN932 | Yea | Cloture Motion Agreed to (51-43) |
| 2026-08-05 | SJRes187 | On the Motion to Proceed S.J.Res. 187 | Nay | Motion to Proceed Rejected (48-50) |
| 2026-08-05 | PN730-11 | On the Cloture Motion PN961-1 and PN937-5 and PN901-1 and PN730-38 and PN962-3 and PN931-6 and PN1022-25 and PN806-5 and PN1022-10 and PN1012 and PN931-5 and PN931-4 and PN937-2 and PN1022-22 and PN96 | Yea | Cloture Motion Agreed to (50-44) |
| 2026-08-05 | PN932 | On the Nomination PN932 | Yea | Nomination Confirmed (51-44) |
| 2026-08-03 | HR6500 | On Cloture on the Motion to Proceed H.R. 6500 | Yea | Cloture on the Motion to Proceed Agreed to (89-4, 3/5 majority required) |
| 2026-07-30 | SJRes199 | On the Motion to Proceed S.J.Res. 199 | Nay | Motion to Proceed Rejected (47-52) |
| 2026-07-30 | SRes817 | On the Resolution S.Res. 817 | Yea | Resolution Agreed to (50-47) |
| 2026-07-29 | SRes817 | On the Cloture Motion S.Res. 817 | Yea | Cloture Motion Agreed to (50-45) |
| 2026-07-29 | HR5334 | On the Motion to Proceed H.R. 5334 | Yea | Motion to Proceed Agreed to (84-12) |
| 2026-07-28 | HR5334 | On Cloture on the Motion to Proceed H.R. 5334 | Yea | Cloture on the Motion to Proceed Agreed to (86-12, 3/5 majority required) |
| 2026-07-28 | PN1092 | On the Nomination PN1092 | Yea | Nomination Confirmed (51-47) |
| 2026-07-27 | PN1092 | On the Cloture Motion PN1092 | Yea | Cloture Motion Agreed to (51-43) |
| 2026-07-23 | PN999-6 | On the Nomination PN999-6 | Yea | Nomination Confirmed (48-47) |
| 2026-07-23 | SJRes180 | On the Motion to Discharge S.J.Res. 180 | Nay | Motion to Discharge Rejected (47-49) |
| 2026-07-23 | PN999-5 | On the Nomination PN999-5 | Yea | Nomination Confirmed (49-44) |
| 2026-07-22 | PN999-3 | On the Cloture Motion PN999-3 | Yea | Cloture Motion Agreed to (60-35) |
| 2026-07-22 | PN938-1 | On the Nomination PN938-1 | Yea | Nomination Confirmed (49-46) |
| 2026-07-22 | PN999-6 | On the Cloture Motion PN999-6 | Yea | Cloture Motion Agreed to (51-46) |
| 2026-07-22 | PN999-5 | On the Cloture Motion PN999-5 | Yea | Cloture Motion Agreed to (54-44) |
| 2026-07-22 | PN999-3 | On the Nomination PN999-3 | Yea | Nomination Confirmed (62-36) |
| 2026-07-21 | PN851-8 | On the Nomination PN851-8 | Yea | Nomination Confirmed (50-48) |
| 2026-07-20 | PN938-1 | On the Cloture Motion PN938-1 | Yea | Cloture Motion Agreed to (43-40) |
| 2026-07-16 | PN851-8 | On the Cloture Motion PN851-8 | Yea | Cloture Motion Agreed to (49-48) |
| 2026-07-16 | SJRes198 | On the Motion to Proceed S.J.Res. 198 | Nay | Motion to Proceed Rejected (46-50) |
| 2026-07-15 | PN930-4 | On the Cloture Motion PN930-4 | Yea | Cloture Motion Agreed to (51-46) |
| 2026-07-15 | PN930-4 | On the Nomination PN930-4 | Yea | Nomination Confirmed (51-46) |
| 2026-07-14 | PN938-2 | On the Nomination PN938-2 | Yea | Nomination Confirmed (50-45) |
| 2026-07-14 | S4784 | On Cloture on the Motion to Proceed S. 4784 | Yea | Cloture on the Motion to Proceed Rejected (50-46, 3/5 majority required) |
| 2026-07-13 | PN930-3 | On the Nomination PN930-3 | Yea | Nomination Confirmed (46-44) |
| 2026-06-24 | PN930-7 | On the Cloture Motion PN930-7 | Yea | Cloture Motion Agreed to (52-45) |
| 2026-06-24 | SJRes185 | On the Motion to Proceed S.J.Res. 185 | Nay | Motion to Proceed Rejected (47-50) |
| 2026-06-24 | PN938-2 | On the Cloture Motion PN938-2 | Yea | Cloture Motion Agreed to (52-45) |
| 2026-06-24 | SJRes196 | On the Motion to Proceed S.J.Res. 196 | Nay | Motion to Proceed Rejected (45-52) |
| 2026-06-24 | PN930-3 | On the Cloture Motion PN930-3 | Yea | Cloture Motion Agreed to (50-44) |
| 2026-06-24 | PN930-2 | On the Nomination PN930-2 | Yea | Nomination Confirmed (50-44) |
| 2026-06-24 | PN930-2 | On the Cloture Motion PN930-2 | Yea | Cloture Motion Agreed to (52-45) |
| 2026-06-24 | PN930-7 | On the Nomination PN930-7 | Yea | Nomination Confirmed (52-45) |
| 2026-06-23 | HConRes86 | On the Concurrent Resolution H.Con.Res. 86 | Nay | Concurrent Resolution Agreed to (50-48) |
| 2026-06-23 | PN859-3 | On the Nomination PN859-3 | Yea | Nomination Confirmed (67-30) |
| 2026-06-22 | HR6644 | On the Motion (Motion to Concur in the House Amendment to the Senate Amendment to H.R. 6644 with an Amendment (SA 5823)) | Yea | Motion Agreed to (85-5) |
| 2026-06-18 | HR6644 | On the Cloture Motion H.R. 6644 | Yea | Cloture Motion Agreed to (84-8, 3/5 majority required) |
| 2026-06-18 | PN730-33 | On the Nomination PN730-33 | Yea | Nomination Confirmed (48-39) |
| 2026-06-17 | PN901-8 | On the Cloture Motion PN901-8 | Yea | Cloture Motion Agreed to (54-41) |
| 2026-06-17 | SRes616 | On the Motion to Discharge S.Res. 616 | Nay | Motion to Discharge Rejected (44-50) |
| 2026-06-17 | PN730-33 | On the Cloture Motion PN730-33 | Yea | Cloture Motion Agreed to (54-41) |
| 2026-06-17 | PN901-8 | On the Nomination PN901-8 | Yea | Nomination Confirmed (55-39) |
| 2026-06-16 | HR6644 | On the Motion to Proceed H.R. 6644 | Yea | Motion to Proceed Agreed to (87-8) |
| 2026-06-16 | SJRes172 | On the Motion to Discharge S.J.Res. 172 | Nay | Motion to Discharge Rejected (47-48) |
| 2026-06-16 | SJRes190 | On the Motion to Proceed S.J.Res. 190 | Not Voting | Motion to Proceed Rejected (46-48) |
| 2026-06-15 | PN851-7 | On the Nomination PN851-7 | Not Voting | Nomination Confirmed (48-43) |
| 2026-06-11 | PN901-4 | On the Nomination PN901-4 | Yea | Nomination Confirmed (49-44) |
| 2026-06-11 | PN851-7 | On the Cloture Motion PN851-7 | Yea | Cloture Motion Agreed to (47-43) |
| 2026-06-10 | PN851-5 | On the Cloture Motion PN851-5 | Yea | Cloture Motion Agreed to (48-45) |
| 2026-06-10 | PN901-4 | On the Cloture Motion PN901-4 | Yea | Cloture Motion Agreed to (51-44) |
| 2026-06-10 | PN851-5 | On the Nomination PN851-5 | Yea | Nomination Confirmed (50-44) |
| 2026-06-09 | PN851-4 | On the Nomination PN851-4 | Yea | Nomination Confirmed (51-46) |
| 2026-06-08 | PN851-4 | On the Cloture Motion PN851-4 | Yea | Cloture Motion Agreed to (49-42) |
| 2026-06-05 | S2 | On the Motion (Wyden Motion to Commit S. 2 to the Committee on the Judiciary with Instructions) | Nay | Motion Rejected (48-51) |
| 2026-06-05 | On the Motion (Motion to Waive All Applicable Budgetary Discipline Re: Durbin Amdt. No. 5806) | Nay | Motion Rejected (48-51, 3/5 majority required) | |
| 2026-06-05 | On the Motion (Motion to Waive All Budgetary Discipline Re: Lee Amdt. No. 5804) | Yea | Motion Rejected (50-49, 3/5 majority required) | |
| 2026-06-05 | S1318 | On the Motion to Proceed S. 1318 | Yea | Motion to Proceed Rejected (47-52) |
| 2026-06-05 | S2 | On Passage of the Bill S. 2 | Yea | Bill Passed (52-47) |
| 2026-06-05 | On the Motion (Motion to Waive All Applicable Budgetary Discipline Re: Schiff Amdt. No. 5740) | Nay | Motion Rejected (51-48, 3/5 majority required) | |
| 2026-06-05 | On the Motion (Motion to Waive All Applicable Budgetary Discipline Re: Van Hollen Amdt. No. 5632) | Nay | Motion Rejected (53-46, 3/5 majority required) | |
| 2026-06-05 | S2 | On the Amendment S.Amdt. 5463 to S.Amdt. 5453 to S. 2 (No short title on file) | Nay | Amendment Rejected (45-53) |
| 2026-06-05 | On the Motion (Motion to Waive All Applicable Budgetary Discipline Re: Cassidy Amdt. No. 5812) | Nay | Motion Rejected (52-47, 3/5 majority required) | |
| 2026-06-05 | On the Motion (Motion to Waive All Applicable Budgetary Discipline Re: Coons Amdt. No. 5457) | Nay | Motion Rejected (54-45, 3/5 majority required) |
Bills Sponsored (4 bills introduced)
| Bill | Title | Latest Action | Date |
|---|---|---|---|
| S284 | Congressional Award Program Reauthorization Act | Became Public Law No: 119-66. | 2025-12-26 |
| SJRes89 | A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Bureau of Land Management relating to "Buffalo Field Office Reco | Indefinitely postponed by Senate by Unanimous Consent. (consideration: CR S8395) | 2025-11-20 |
| SJRes23 | A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the National Marine Fisheries Service relating to "Endangered and Th | Held at the desk. | 2023-05-15 |
| S2126 | A bill to designate the Federal Office Building located at 308 W. 21st Street in Cheyenne, Wyoming, as the "Louisa Swain Federal Office Building", and for other purposes. | Became Public Law No: 117-120. | 2022-05-10 |
Coverage
In the News (3)
Lummis reflects on future of nuclear power in Wyoming
As she prepares to return home after four terms in the House and one in the Senate, Republican Sen. Cynthia Lummis is optimistic her home state of Wyoming is in a strong position to take advantage of growing interest in nuclear energy. Lummis represented the state with the nation
Progress on Iconic Great American Rail-Trail Demonstrates Continued Momentum and National Pride
The seventh anniversary of Rails to Trails Conservancy's signature project marked by celebration of new trail development in Ohio, Indiana, Nebraska, Wyoming and Washington State WASHINGTON, May 8, 2026 /PRNewswire/ -- Rails to Trails Conservancy, the nation'…
Progress on Iconic Great American Rail-Trail Demonstrates Continued Momentum and National Pride
The seventh anniversary of Rails to Trails Conservancy's signature project marked by celebration of new trail development in Ohio, Indiana, Nebraska, Wyoming and Washington State WASHINGTON, May 8, 2026 /PRNewswire/ -- Rails to Trails Conservancy, the nation'…
Recent Videos (2)
C-SPAN Sens. Tim Scott (R-SC) and Cynthia Lummis (R-WY) Discuss Financial Leadership at Blockchain Symposium : CSPAN : August 20, 2026 2:06pm-2:35pm EDT
C-SPAN Sens. Blackburn, Lummis & Justice at Bitcoin 2025 Conference in Las Vegas : CSPAN : June 2, 2025 6:11pm-6:37pm EDT
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