U.S. Representative for IL's 15th Congressional District · Republican
Mary Miller is a Republican U.S. Representative for IL's 15th Congressional District. This page tracks Mary Miller's congressional voting record, attendance, legislative effectiveness, and positions on key issues. In office since 2021.
Party-line voting: votes with Republican 83.02% of the time (16.98% of votes break with the party).
Legislative effectiveness: sponsored 1292 bills, 18 of which were enacted into law.
Top Issues Mary Miller Votes On
Immigration
Climate Change
Taxation
Defense Spending
Renewable Energy
Health Insurance
How Mary Miller Voted on Recent Bills
Nay on “Make the District of Columbia Safe and Beautiful Act of 2025” (2026-03-25) — Failed
Yea on “Deporting Fraudsters Act of 2026” (2026-03-18) — Passed
Nay on “Kayla Hamilton Act” (2025-12-16) — Failed
Nay on “Rescissions Act of 2025” (2025-07-17) — Failed
Nay on “One Big Beautiful Bill Act” (2025-07-03) — Failed
Yea on “Jeremy and Angel Seay and Sergeant Brandon Mendoza Protect Our Communities from DUIs Act of 2025” (2025-06-26) — Passed
When Mary Miller Broke With the Republican Party
Mary Miller has voted against the Republican majority on about 17% of party-line votes tracked. Recent examples:
Voted Nay on “Northwest Straits Marine Conservation Initiative Reauthorization Act of 2025” (2026-06-03) while most Republicans voted Yea — Passed.
Voted Nay on “Alaska’s Right to Ivory Sales and Tradition Act” (2026-06-03) while most Republicans voted Yea — Passed.
Voted Nay on “American Access to Banking Act” (2026-05-20) while most Republicans voted Yea — Passed.
Voted Aye on “Making appropriations for military construction, the Department of Veterans Affairs, and related agencies for the fiscal year ending September 30, 2027, and for other purposes.” (2026-05-15) while most Republicans voted No — Failed.
Voted Nay on “A bill to amend the FISA Amendments Act of 2008 to extend the authorities of title VII of the Foreign Intelligence Surveillance Act of 1978, and for other purposes.” (2026-04-30) while most Republicans voted Yea — Passed.