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Former member of Congress · last served 116th Congress

Official portrait of Rep. Mac Thornberry

Mac Thornberry

REPUBLICAN U.S. Representative · TexasHouse 1995–2021 (TX-13)

William Thornberry was a Republican U.S. representative from Texas, first elected to Congress in 1995, who voted with most Republicans on 96% of the 112th Congress’s yes/no votes and sponsored 3 bills that became law (113th–116th Congress).

45Bills & resolutions sponsored113th–116th Congress (excludes amendments)
6Passed a chamberof 39 substantive bills (excludes resolutions and ceremonial bills)
3Became law2 substantive + 1 ceremonial · 113th–116th Congress
25Broke with partyof 652 yes/no votes, 112th (3.8%)
5Missed votesof 658 roll calls, 112th (0.8%)
—Pork: own shareFY2024 earmarks: not in office

How we count: “Broke with party” is a yes/no roll call where the member voted against most of their own party on that vote (party as recorded; even splits not counted). “Pork: own share” splits each earmark shared by several members evenly among them.

5 most recent votes

5 most recent bills

Top bills sponsored

Laws first, then bills that passed a chamber, were reported from committee, or drew the most cosponsors.

Elections Rep. Thornberry has won

Rep. Thornberry has won 13 U.S. House elections (1994–2018). Of the contested races, margins ran from 10.8 to 84.8 points.

010204060Margin of victory, points (axis starts at 0)1994, TX-13: won by 10.8 points1994TX-131996, TX-13: won by 34.6 points19961998, TX-13: won by 36.9 points19982000, TX-13: won by 36.5 points20002002, TX-13: won by 58.5 points20022004, TX-13: won by 84.6 points20042006, TX-13: won by 51.3 points20062008, TX-13: won by 55.3 points20082010, TX-13: won by 78.4 points20102012, TX-13: won by 84.8 points20122014, TX-13: won by 71.5 points20142016, TX-13: won by 83.3 points20162018, TX-13: won by 64.6 points2018
Democratic winRepublican winseat changed partyunopposed
Elections won13 in the data (1976–2024); losses are not listed
Closest win: 10.8 points1994, TX-13
Won an open seat or took one from the other party1 of 13 elections (open seat or changed party)
Seat history, Texas’s 13th districtWinners, most recent three: William Sarpalius (D) 1988–1992 → Mac Thornberry (R) 1994–2018 → Ronny Jackson (R) 2020–2024. Elections shown, not terms; special elections not included.

Full election history for this seat →

Source: MIT Election Data and Science Lab, U.S. House V15 / U.S. Senate V8 (CC0), retrieved 2026-10-18; winners matched to member records by seat and term. Results run through the 2024 elections; nothing from 2026 is shown until it is certified. A margin is a fact about one election, never a score of how well a member represents anyone, and PORKER does not rank members by it.

How has Texas’s 13th district done while Rep. Thornberry served?

2012 to 2019 in TX-13: typical household income was up 4% after inflation, the share of people below the poverty line was down 2.9 points, and the share of workers looking for a job was down 1.9 points.

Typical household income · after inflationU.S. $80.9KTexas $78.8KTX-13 $66.5K
TX-13: $63.7K in 2012 → $66.5K in 2019
TX-13 up 4%Texas up 13%U.S. up 15%
Share of people below the poverty lineTexas 13.6%TX-13 13.2%U.S. 12.3%
TX-13: 16.1% in 2012 → 13.2% in 2019
TX-13 down 2.9 pointsTexas down 4.3 pointsU.S. down 3.6 points
Share of workers looking for a jobU.S. 4.5%Texas 4.4%TX-13 3.2%
TX-13: 5.1% in 2012 → 3.2% in 2019
TX-13 down 1.9 pointsTexas down 3.6 pointsU.S. down 4.9 points

Each mini chart has its own scale, fitted to its lines (it does not start at zero), so compare the numbers, not the heights. Teal = district, oxblood = state, grey = U.S.

While they served, not because of them. This shows what happened in Texas’s 13th district during Thornberry’s time representing it (1995 to 2021). It does not say what the member did or caused. It is not a score, and PORKER never ranks members on it.

Only one set of district lines is shown. TX-13 was redrawn in 2012 and again in 2022, and a redrawn district is a different place. So this card shows only the longest stretch on the same lines during the term, 2012 to 2019 (no 2020 yearly estimate), not the full 1995 to 2021.

See the full 20-year record →Source: U.S. Census Bureau, American Community Survey 1-year estimates (tables B19013, B17001, B23001) and BLS CPI-U-RS for inflation, retrieved October 18, 2026. “About the same” means the change is inside the 90% margins of error. Who held the seat: Congress.gov member service records, year level.

Official records on bills this member sponsored

116th Congress. What Congress.gov lists for the 7 bills sponsored.

RecordBillsSource
Bills sponsored7Source: Congress.gov member record, PORKER copy of October 26, 2026 ↗ See them →
With a sponsor’s constitutional-authority statement7See the 7 →
With a CBO cost estimate listed0None listed
With a committee report listed0None listed
Evidence
How counted
Bills where this member is the lead (first-listed) sponsor in the 116th Congress, read from the stored Congress.gov bill records
Fields
cboCostEstimates, committeeReports, constitutionalAuthorityStatementText, notes
PORKER copy refreshed
October 26, 2026 (nightly)

Read this first. These are counts of records Congress.gov lists. Many bills never get a CBO estimate or a report, so a zero is not a mark against a member. We never show this as a score.

Open full dossier →

Data as of Oct 26, 2026 · latest recorded House vote Sep 16, 2026 · Sources: Congress.gov, Senate.gov, House Clerk, Appropriations Committee earmark tables. PORKER is non-partisan.