Skip to content
LocateCongress
Official portrait of Bill Cassidy, U.S. Senator for Louisiana

Bill Cassidy

U.S. Senator for Louisiana

Republican · Since 2015 · Next election: 2026 · Age 69 · Senior senator

Last updated · 7 sources

Bill Cassidy is the senior U.S. Senator for Louisiana, a Republican serving since 2015.

Cassidy has served in the Senate longer than 45 of its 99 other members.

Cassidy chairs the Health, Education, Labor, and Pensions Committee and also sits on Energy and Natural Resources, Finance, and Veterans' Affairs.

In the Senate's last 30 days in session (Jun 23 – Oct 2, 2026), Cassidy voted in 69 of 74 roll calls (93%). In that period, 61 bills Cassidy sponsored or cosponsored had new actions.

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

Cassidy lost the 2026 primary for this seat on May 16, 2026.

This week (Sep 28 – Oct 4, 2026)

Full schedule →

Senate: met Mon–Wed (Sep 28–30, 2026); a pro forma session Thu

12 roll-call votes: 6 Yea, 5 Nay, 1 Not Voting

  • · Business meeting

    Business meeting to consider the nominations of Nicole Saphier, of New Jersey, to be Medical Director in the Regular Corps of the Public Health Service, subject to qualifications therefor as provided by law and regulations, and to be Surgeon General of the Public Health Service, Timothy Westlake, of Wisconsin, to be Assistant Secretary for Mental Health and Substance Use, and Mary Lazare, of Florida, to be Assistant Secretary for Aging, all of the Department of Health and Human Services, and Loren E. Sweatt, of Virginia, and Douglas Ralph, of Kentucky, both to be a Member of the National Mediation Board.

    Senate Health, Education, Labor, and Pensions Committee · 430 Dirksen Senate Office Building · Notice

  • · Business meeting

    Business meeting to consider S.365 and H.R.1729, bills to amend the John D. Dingell, Jr. Conservation, Management, and Recreation Act to allow for additional entities to be eligible to complete the maintenance work on Bolts Ditch and the Bolts Ditch Headgate within the Holy Cross Wilderness, Colorado, S.462, to provide for economic development and conservation in Washoe County, Nevada, S.465, to require the Federal Energy Regulatory Commission to reform the interconnection queue process for the prioritization and approval of certain projects, S.730, to direct the Secretary of the Interior to conduct a study to assess the suitability and feasibility of establishing the African Burial Ground International Memorial Museum and Educational Center at the African Burial Ground National Monument, S.764, to provide for the designation of certain wilderness areas, recreation management areas, and conservation areas in the State of Colorado, S.791, to establish the Justice Thurgood Marshall National Historic Site in the State of Maryland as an affiliated area of the National Park System, S.888, to designate certain land administered by the Bureau of Land Management and the Forest Service in the State of Oregon as wilderness and national recreation areas, to withdraw certain land located in Curry County and Josephine County, Oregon, from all forms of entry, appropriation, or disposal under the public land laws, location, entry, and patent under the mining laws, and operation under the mineral leasing and geothermal leasing laws, S.945, to amend the Smith River National Recreation Area Act to include certain additions to the Smith River National Recreation Area, to amend the Wild and Scenic Rivers Act to designate certain wild rivers in the State of Oregon, S.1005, to provide for conservation and economic development in the State of Nevada, S.1088, to provide that the memorial to commemorate the sacrifice and service of the women who worked on the home front to support the efforts of the United States military during World War II may be located on the National Mall, S.1195, to promote conservation, improve public land management, and provide for sensible development in Pershing County, Nevada, S.1254 and H.R.331, bills to amend the Aquifer Recharge Flexibility Act to clarify a provision relating to conveyances for aquifer recharge purposes, S.1341, to amend the Colorado Wilderness Act of 1993 to add certain land to the Sarvis Creek Wilderness, S.1342, to amend the Energy Conservation and Production Act to improve the weatherization assistance program, S.1349, to withdraw the National Forest System land in the Ruby Mountains subdistrict of the Humboldt-Toiyabe National Forest and the National Wildlife Refuge System land in Ruby Lake National Wildlife Refuge, Elko and White Pine Counties, Nevada, from operation under the mineral leasing laws, S.1476, to amend the Wild and Scenic Rivers Act to designate certain segments of the Gila River system in the State of New Mexico as components of the National Wild and Scenic Rivers System, to provide for the transfer of administrative jurisdiction over certain Federal land in the State of New Mexico, S.1568, to amend the Energy Policy and Conservation Act to modify standards for general service lamps, S.1737, to designate and expand wilderness areas in Olympic National Forest in the State of Washington, and to designate certain rivers in Olympic National Forest and Olympic National Park as wild and scenic rivers, S.1777, to amend the California Desert Protection Act of 1994 to expand the boundary of Joshua Tree National Park, to redesignate the Cottonwood Visitor Center at Joshua Tree National Park as the "Dianne Feinstein Visitor Center", S.1870, to adjust the boundary of the Santa Monica Mountains National Recreation Area to include the Rim of the Valley Corridor, S.2570, to amend the Energy Conservation and Production Act to reauthorize the weatherization assistance program, S.2970, to authorize the use of off-highway vehicles in certain areas of the Capitol Reef National Park, Utah, S.3371, to designate the Museum of the Blind People's Movement in Baltimore, Maryland, as the "National Museum of the Blind People's Movement", S.3499 and H.R.3638, bills to direct the Secretary of Energy to prepare periodic assessments and submit reports on the supply chain for the generation and transmission of electricity, S.3524 and H.R.7618, bills to amend title 54, United States Code, to modify certain cost-sharing requirements for grant programs under the American Battlefield Protection Program, S.3526, to provide for the protection of and investment in certain Federal land in the State of California, S.3542, to amend the Wild and Scenic Rivers Act to designate the Upper Raritan River Watershed in the State of New Jersey for study for potential addition to the National Wild and Scenic Rivers System, S.3695, to amend Public Law 96-586 to modernize the authority of the Forest Service to acquire

    Senate Energy and Natural Resources Committee · 366 Dirksen Senate Office Building · Notice

    Bills: H.R. 1729, H.R. 2306, H.R. 2317, H.R. 249, H.R. 2709, H.R. 331 and 54 more

Voted in 69 of 74 roll calls (93%), Jun 23 – Oct 2, 2026.

Cassidy voted with the majority of Senate Republicans on 64 roll calls and against it on 5.

Votes against the party majority and missed votes (latest 5 of 10)

Bill Cassidy's most recent votes against the party majority and missed votes
DateVoteQuestionResultBill CassidyNote
Sep 29No. 252On the Motion to Discharge S.Res. 852Motion to Discharge S. Res. 852Motion to Discharge RejectedNot VotingDid not vote
Sep 22No. 240On the Cloture Motion S. 4668Motion to Invoke Cloture: Cruz Amdt. No. 6776Cloture Motion Agreed toNot VotingDid not vote
Sep 22No. 239On the Cloture Motion PN999-1Motion to Invoke Cloture: Angela Veronica Colmenero to be U.S. District Judge for the Southern District of TexasCloture Motion Agreed toNot VotingDid not vote
Aug 8No. 228On Passage of the Bill H.R. 6500H.R. 6500, as amendedBill PassedNayMost Senate Republicans: Yea
Aug 8No. 227On the Motion to Table H.R. 6500Motion to Table Budd Amdt. No. 6747Motion to Table Agreed toNayMost Senate Republicans: Yea

Legislation

122 bills sponsored and 344 cosponsored in the 119th Congress · 1 became law

  • S. 3257 John A. Hauser Mental Health in Aviation Act

    Cosponsor · Latest action Oct 1, 2026: Held at the desk.

  • S. 3315 Health Care Cybersecurity and Resiliency Act of 2026

    Sponsor · Latest action Sep 30, 2026: Passed Senate with an amendment by Unanimous Consent.

    This bill expands federal requirements and resources for preventing and responding to cybersecurity incidents in the health care and public health sectors.

  • S.Res. 933 A resolution expressing support for the designation of October 2026 as "National Dyslexia Awareness Month".

    Sponsor · Latest action Sep 30, 2026: Referred to the Committee on Health, Education, Labor, and Pensions.

Sponsored bills that became law (1)

  • S. 331 HALT Fentanyl Act

    Latest action Jul 16, 2025: Became Public Law No: 119-26.

Campaign finance

Raised
$13,597,915
Spent
$10,408,258
Cash on hand
$4,827,334

2026 election cycle, through Jun 30, 2026 · FEC S4LA00107

Louisiana senators

All 8 members of Congress from Louisiana →

Sources