Lummis, Cynthia M.
In office since
2009 · 17 yrs
Chambers served
House & Senate
Born
1954, Cheyenne
Occupation
Lawyer, Politician, Rancher
Education
Cheyenne East High School · University of Wyoming College of Law · University of Wyoming
Office history
- member of the Wyoming House of Representatives 1979–1993
- member of the Wyoming House of Representatives 1979–1983
- member of the Wyoming House of Representatives 1985–1993
- member of the Wyoming House of Representatives 1985–1983
- member of the State Senate of Wyoming 1993–1995
- Wyoming State Treasurer 1999–2007
- United States representative 2009–2011
- United States representative 2011–2013
- United States representative 2013–2015
- United States representative 2015–2017
- United States senator 2021–2023
- United States senator 2023–present
- United States representative
Contact
Capitol office
127A Russell Senate Office Building Washington DC 20510
202-224-3424
District office · Cheyenne
2120 Capitol Avenue, Cheyenne, WY, 82001
307-772-2477
District office · Cody
1285 Sheridan Avenue, Cody, WY, 82414
307-527-9444
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46
Bills sponsored
this session · 90 all-time
327
Bills co-sponsored
this session · 328 all-time
1
Enacted into law
this session · 2 all-time
899
Recorded votes
97%
Vote participation
voted in 97% of 899 recorded votes
Voting scorecard
119 session · computed from recorded roll-call votes
Party unity
99.2%
based on 261 votes
Votes with own party's majority
Independence
0.8%
based on 261 votes
Votes against own party's majority
Participation
96.3%
based on 261 votes
Roll calls where a yes/no was cast
Sponsored (introduced)
90 billsCurrent session 46 bills
- S 1525 Common Cents Act Passed
- S 1037 PARC Act In Committee
- S 1066 Highway Funding Flexibility Act of 2025 In Committee
- S 954 BITCOIN Act of 2025 In Committee
- S 790 A bill to redesignate the National Historic Trails Interpretive Center in Casper, Wyoming, as the "Barbara L. Cubin National Historic Trails Interpretive Center". Passed
- S 715 No American Land for Communist China Act In Committee
- S 569 POSTAL Act In Committee
- SJRES 17 A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Forest Service of the Department of Agriculture relating to "Law Enforcement; Criminal Prohibitions". In Committee
- S 386 Critical Water Resources Prioritization Act of 2025 In Committee
- S 395 Emergency Fuel Reduction Act of 2025 In Committee
- S 316 Grizzly Bear State Management Act of 2025 In Committee
- S 284 Congressional Award Program Reauthorization Act Signed
- SRES 35 A resolution honoring the 100th anniversary of Nellie Tayloe Ross becoming the first female elected as the Governor of a State in the United States. In Committee
- S 238 FREE Act In Committee
- S 191 LICENSE Act of 2025 In Committee
- S 31 A bill to designate the mountain at the Devils Tower National Monument, Wyoming, as Devils Tower, and for other purposes. In Committee
- S 3520 CLEAR Act of 2025 In Committee
- S 3416 Safeguarding U.S. Rulemaking Act In Committee
- S 3278 SMART Infrastructure Act of 2025 In Committee
- S 3045 COAL Act of 2025 In Committee
- SRES 457 A resolution designating the week beginning on October 19, 2025, as "Coal Week". In Committee
- S 3007 Diesel Truck Liberation Act of 2025 In Committee
- SJRES 89 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 Record of Decision and Approved Resource Management Plan Amendment". In Committee
- S 2991 Connor’s Law In Committee
- SRES 430 A resolution designating October 4, 2025, as "National Energy Appreciation Day" to celebrate the people who work to power the United States and the economy of the United States and to build awareness of the important role that the energy producers of the United States play in reducing poverty, strengthening national security, and improving the quality of life for people around the world. In Committee
Historical 44 bills
- S 445 Grizzly Bear State Management Act of 2023 Died
- S 319 POWER Act Died
- S 267 A bill to designate the mountain at the Devils Tower National Monument, Wyoming, as Devils Tower, and for other purposes. Died
- S 5286 Responsible Self-Regulation Act of 2022 Died
- S 5169 Truck Parking Safety Improvement Act Died
- S 3 Interactive Federal Review Act Died
- S 3840 Protect America’s Lands Act Died
- S 4356 Lummis-Gillibrand Responsible Financial Innovation Act Died
- SJRES 59 A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Securities and Exchange Commission relating to "Staff Accounting Bulletin No. 121". Died
- S 3980 Middle Market IPO Underwriting Cost Act Died
- S 3931 Gig Worker Equity Compensation Act Died
- S 3930 Administrative Enforcement Fairness Act of 2022 Died
- S 3556 LICENSE Act of 2022 Died
- S 3315 State, Tribal, and Local Species Transparency and Recovery Act Died
- S 3172 Foreign Agents Registration Modernization Act of 2021 Died
- S 3095 HERD Act of 2021 Died
- S 2698 Stop CATASTROPHES Act Died
- S 2126 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. Signed
- SRES 386 A resolution designating October 4, 2023, as National Energy Appreciation Day to celebrate the people who work to power the United States and the economy of the United States and to build awareness of the important role that the energy producers of the United States play in reducing poverty, strengthening national security, and improving the quality of life for people around the world. Died
- S 1739 Pay Down the Debt Act Died
- S 1659 Highway Cost Allocation Study Act of 2021 Died
- S 2909 DEA Act Died
- S 2887 Protecting Access to Recreation with Cash Act Died
- S 1373 SAME Act Died
- S 1174 Sustainable Budget Act of 2021 Died
Co-sponsored
328 billsCurrent session 327 bills
- S 4787 FEAT Act In Committee
- S 4869 Indigenous Students Excel through Parity Act of 2026 In Committee
- S 4944 American Energy and Mineral Infrastructure Act of 2026 In Committee
- S 4931 End EPA Abuse Act of 2026 In Committee
- S 4903 A bill to improve the point-in-time count conducted by the Department of Housing and Urban Development, and for other purposes. In Committee
- S 4952 Protecting American Taxpayers Act In Committee
- SRES 772 A resolution expressing the sense of the Senate that under no circumstances should Samuel Bankman-Fried receive executive clemency, including a pardon or commutation, and affirming the Senate's commitment to the rule of law and integrity of the United States financial system. Passed
- S 5025 Lindsey O. Graham Sanctioning Russia Act of 2026 In Committee
- S 5023 Ban Birth Tourism Act of 2026 In Committee
- SRES 801 A resolution honoring the life and legacy of the Honorable Lindsey Olin Graham, a Senator from the State of South Carolina. Passed
- S 5030 TRUTH in Coverage Act of 2026 In Committee
- S 4395 Terrorism Risk Insurance Program Reauthorization Act of 2026 In Committee
- S 4398 CDL Act In Committee
- SRES 694 A resolution designating April 2026 as "Financial Literacy Month". Passed
- S 4410 A bill to amend the Mineral Leasing Act to provide for the payment of bonus payments of certain coal leases issued under that Act. In Committee
- S 4431 Time for Completion Act In Committee
- SRES 703 A resolution expressing support for the designation of the week of May 3, 2026, through May 9, 2026, as "National Small Business Week" to celebrate the contributions of small businesses and entrepreneurs in every community in the United States. Passed
- S 4429 Connected Vehicle Security Act of 2026 In Committee
- SRES 719 A resolution celebrating the 154th anniversary of Arbor Day. Passed
- S 4464 FAIR Labels Act of 2026 In Committee
- SRES 723 A resolution honoring the life of Dirk Arthur Kempthorne, former United States Senator for the State of Idaho. Passed
- S 4484 I–47 Future Interstate Act of 2026 In Committee
- SRES 736 A resolution supporting the goals and ideals of National Hospital Week, to be observed from May 10 through May 16, 2026. Passed
- S 4537 A bill to repeal the Military Selective Service Act. In Committee
- SRES 739 A resolution honoring the life and legacy of John Seymour, the late Senator for the State of California. Passed
Historical 1 bill
Voting record
Current session 17 votes
| Bill | Vote | Result | Date |
|---|---|---|---|
|
HR 9340
Ratepayer Protection Act
On Cloture on the Motion to Proceed H.R. 9340 |
Yea | fail | September 30, 2026 |
|
HR 7008
Stop Insider Trading Act
On Cloture on the Motion to Proceed H.R. 7008 |
Yea | fail | September 30, 2026 |
|
SJRES 197
A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Centers for Medicare & Medicaid Services of the Department of Health and Human Services relating to "Patient Protection and Affordable Care Act, HHS Notice of Benefit and Payment Parameters for 2027; and Basic Health Program".
On the Motion to Proceed S.J.Res. 197 |
Nay | fail | September 29, 2026 |
|
S 4668
Protect College Sports Act of 2026
On Passage of the Bill S. 4668 |
Yea | pass | September 28, 2026 |
|
HCONRES 89
Directing the President, pursuant to section 5(c) of the War Powers Resolution, to remove United States Armed Forces from hostilities with Iran.
On the Concurrent Resolution H.Con.Res. 89 |
Nay | fail | September 24, 2026 |
|
S 4668
Protect College Sports Act of 2026
On the Cloture Motion S. 4668 |
Yea | pass | September 24, 2026 |
|
S 4668
Protect College Sports Act of 2026
On the Motion to Proceed S. 4668 |
Yea | pass | September 17, 2026 |
|
S 4668
Protect College Sports Act of 2026
On Cloture on the Motion to Proceed S. 4668 |
Yea | pass | September 15, 2026 |
|
HR 3633
Digital Asset Market Clarity Act
On Cloture on the Motion to Proceed H.R. 3633 |
Yea | fail | September 15, 2026 |
|
HR 6500
Continuing Appropriations and Extensions Act, 2027
On Passage of the Bill H.R. 6500 |
Yea | pass | August 08, 2026 |
|
HR 5334
Lindsey O. Graham Sanctioning Russia and Iran Act of 2026
On Passage of the Bill H.R. 5334 |
Not Voting | pass | August 07, 2026 |
|
SJRES 187
A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "Modification to the Start of the Submission Period for Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS) Reporting and Recordkeeping Under TSCA 8(a)(7)".
On the Motion to Proceed S.J.Res. 187 |
Nay | fail | August 05, 2026 |
|
HR 6500
Continuing Appropriations and Extensions Act, 2027
On Cloture on the Motion to Proceed H.R. 6500 |
Yea | pass | August 03, 2026 |
|
SJRES 181
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.
On the Motion to Discharge S.J.Res. 181 |
Nay | fail | July 30, 2026 |
|
SJRES 199
A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Department of Health and Human Services relating to "Restoring Flexibility in the Child Care and Development Fund (CCDF)".
On the Motion to Proceed S.J.Res. 199 |
Nay | fail | July 30, 2026 |
|
HR 5334
Lindsey O. Graham Sanctioning Russia and Iran Act of 2026
On the Motion to Proceed H.R. 5334 |
Yea | pass | July 29, 2026 |
|
HR 5334
Lindsey O. Graham Sanctioning Russia and Iran Act of 2026
On Cloture on the Motion to Proceed H.R. 5334 |
Yea | pass | July 28, 2026 |
Historical 33 votes
| Bill | Vote | Result | Date |
|---|---|---|---|
| On the Nomination PN1129 | Yea | pass | September 30, 2026 |
| On the Cloture Motion PN1129 | Yea | pass | September 30, 2026 |
| On the Motion to Discharge S.Res. 852 | Nay | fail | September 29, 2026 |
| On the Amendment S.Amdt. 6835 to S.Amdt. 6776 to S. 4668 (No short title on file) | Nay | fail | September 28, 2026 |
| On the Amendment S.Amdt. 6805 to S.Amdt. 6776 to S. 4668 (No short title on file) | Nay | fail | September 28, 2026 |
| On the Amendment S.Amdt. 6760 to S.Amdt. 6776 to S. 4668 (No short title on file) | Nay | fail | September 28, 2026 |
| On the Amendment S.Amdt. 6758 to S.Amdt. 6776 to S. 4668 (No short title on file) | Nay | fail | September 28, 2026 |
| On the Amendment S.Amdt. 6828 to S.Amdt. 6776 to S. 4668 (No short title on file) | Yea | pass | September 28, 2026 |
| On the Amendment S.Amdt. 6776 to S. 4668 (No short title on file) | Yea | pass | September 24, 2026 |
| On the Nomination PN999-1 | Yea | pass | September 23, 2026 |
| On the Cloture Motion S.Amdt. 6776 to S. 4668 (No short title on file) | Yea | pass | September 22, 2026 |
| On the Cloture Motion PN999-1 | Yea | pass | September 22, 2026 |
| On the Nomination PN999-4 | Yea | pass | September 17, 2026 |
| On the Cloture Motion PN999-4 | Yea | pass | September 17, 2026 |
| On the Nomination PN1093-3 | Yea | pass | September 15, 2026 |
| On the Cloture Motion PN1093-3 | Yea | pass | September 14, 2026 |
| On Cloture on the Motion to Proceed S. 5271 | Yea | fail | August 08, 2026 |
| On the Nomination PN1078 | Yea | pass | August 08, 2026 |
| On the Cloture Motion PN1078 | Yea | pass | August 08, 2026 |
| On the Motion to Table S.Amdt. 6747 to S.Amdt. 6732 to H.R. 6500 (No short title on file) | Nay | pass | August 08, 2026 |
| On the Cloture Motion S.Amdt. 6732 to H.R. 6500 (No short title on file) | Not Voting | pass | August 07, 2026 |
| 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 and PN961-4 and PN901-3 and PN806-7 and PN730-23 and PN1022-7 and PN1022-6 and PN961-3 and PN937-9 and PN937-8 and PN937-7 and PN1022-34 and PN1022-31 and PN1022-15 and PN1022-9 and PN1022-8 and PN1022-3 and PN961-9 and PN931-2 and PN1093-2 and PN1093-1 and PN1011 and PN961-2 and PN930-8 and PN930-6 and PN930-5 and PN930-1 and PN901-12 and PN901-2 and PN850 and PN787-2 and PN730-18 and PN730-2 and PN933 and PN852-3 and PN806-2 and PN961-7 and PN901-7 and PN901-6 and PN792 and PN786-10 and PN931-3 and PN730-59 and PN786-5 and PN937-1 and PN901-11 and PN859-5 and PN730-36 and PN901-5 and PN859-2 and PN859-1 and PN901-10 and PN852-11 and PN852-9 and PN859-6 and PN852-6 and PN852-5 and PN852-2 and PN806-9 and PN730-11 | Not Voting | pass | August 07, 2026 |
| On the Amendment S.Amdt. 6715 to S.Amdt. 6711 to H.R. 5334 (No short title on file) | Not Voting | fail | August 07, 2026 |
| 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 PN962-1 and PN961-4 and PN901-3 and PN806-7 and PN730-23 and PN1022-7 and PN1022-6 and PN961-3 and PN937-9 and PN937-8 and PN937-7 and PN1022-34 and PN1022-31 and PN1022-15 and PN1022-9 and PN1022-8 and PN1022-3 and PN961-9 and PN931-2 and PN1093-2 and PN1093-1 and PN1011 and PN961-2 and PN930-8 and PN930-6 and PN930-5 and PN930-1 and PN901-12 and PN901-2 and PN850 and PN787-2 and PN730-18 and PN730-2 and PN933 and PN852-3 and PN806-2 and PN961-7 and PN901-7 and PN901-6 and PN792 and PN786-10 and PN931-3 and PN730-59 and PN786-5 and PN937-1 and PN901-11 and PN859-5 and PN730-36 and PN901-5 and PN859-2 and PN859-1 and PN901-10 and PN852-11 and PN852-9 and PN859-6 and PN852-6 and PN852-5 and PN852-2 and PN806-9 and PN730-11 | Yea | pass | August 05, 2026 |
| On the Resolution S.Res. 817 | Yea | pass | July 30, 2026 |
| On the Cloture Motion S.Res. 817 | Yea | pass | July 29, 2026 |
| On the Nomination PN932 | Yea | pass | August 05, 2026 |
| On the Cloture Motion PN932 | Yea | pass | August 05, 2026 |
| On the Nomination PN1092 | Yea | pass | July 28, 2026 |
| On the Cloture Motion PN1092 | Yea | pass | July 27, 2026 |
| On the Cloture Motion PN373 | Yea | pass | December 18, 2025 |
| On the Cloture Motion PN615-2 | Yea | pass | December 18, 2025 |
| On the Cloture Motion PN12-1 | Yea | pass | December 18, 2025 |
Career history 3 past roles
- Upper chamber Republican
- Upper chamber Republican
- Upper chamber Republican