RepublicanIn office since Jan 2021

Mary Miller

U.S. Representative, IL-15 since 2021. Ran in 3 elections between 2020 and 2024, winning 3. Re-elected in 2026. Next on the ballot in 2028.

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Nov 7, 2026, 3:00 PM ET

Committees

119th Congress.

Joint Committee on Printing
House Committee on AgricultureGeneral Farm Commodities, Risk Management, and CreditLivestock, Dairy, and PoultryNutrition and Foreign AgricultureConservation, Research, and Biotechnology
House Committee on Education and WorkforceEarly Childhood, Elementary, and Secondary EducationWorkforce Protections
House Committee on House AdministrationElections

Source: congress-legislators committeesUpdated Nov 7, 2026, 3:00 PM ET

119th Congress · 37 sponsored · 0 became law

No bills in this list for the 119th Congress.

Source: Congress.gov billsUpdated Nov 6, 2026, 3:27 PM ET

119th Congress · placement by roll-call votes

Miller is closer to the center than 5% of the chamber's Republicans.

Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 5:06 PM ET

Black tick: the average of Republicans in the U.S. House.

Votes chosen for their effect, not their side: Miller’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.

Date	Bill	Miller	Rep. majority	Dem. majority	Result
Sep 16, 2026	HR 5334: Lindsey O. Graham Sanctioning Russia and Iran Act of 2026	Yes	Yes	No	Passed 262–159
Jun 30, 2026	HCONRES 108: Directing the President pursuant to section 5(c) of the War Powers Resolution to…	No	No	Yes	Failed 189–235
Jun 9, 2026	S 2: Secure America Act	Yes	Yes	No	Passed 214–212
May 13, 2026	HR 1346: To amend the Clean Air Act with respect to the ethanol waiver for Reid Vapor Pressure…	Yes	Yes	No	Passed 218–203
Feb 12, 2026	HR 2189: To modernize Federal firearms laws to account for advancements in technology and…	Yes	Yes	No	Passed 233–185

Offices held, and every time Miller was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.

2020202120222023202420252026202720282029U.S. House, IL-15

Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.

Year	Race	Result	Margin	Seat	+/−
2026	U.S. House, IL-15	Won	R+33.8	R+40.4	−6.6
2024	U.S. House, IL-15	Won	—	R+40.4	—
2022	U.S. House, IL-15	Won	R+42.3	R+39.7	+2.6
2020	U.S. House, IL-15	Won	R+46.9	—	—