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U.S. Representative — Indiana's 8th District

Mark Messmer

Republican · Indiana

Republican U.S. Representative for Indiana's 8th congressional district. Member of the 119th Congress in the U.S. House of Representatives.

Legislative Record

Recently sponsored bills (16 on record)

  • H.R.9859 — Ethical Investigations and Integrity Act (Introduced, Jul 22, 2026)
  • H.R.9128 — CFTC Protection of Information and Data Act of 2026 (Introduced, Jun 3, 2026)
  • H.R.8181 — Critical Industry Skills Act (Introduced, Apr 2, 2026)
  • H.R.7720 — Child Care Payment Integrity and Fraud Accountability Act of 2026 (Introduced, Feb 26, 2026)
  • H.R.7547 — DOD and USDA Interagency Research Act (Introduced, Feb 12, 2026)
  • H.R.7469 — SNAP Online Access Act of 2026 (Introduced, Feb 10, 2026)
  • H.R.7264 — Restoring America’s Floodplains Act (Introduced, Jan 27, 2026)
  • H.R.6657 — Restaurant Meals Program Reform Act of 2025 (Introduced, Dec 11, 2025)

Recent floor votes (100 on record)

  • Voted Yea on H.R.8884 — Removing Barriers to Work for Disabled Americans Act (Passed, Jul 23, 2026)
  • Voted Nay on H.Con.Res.89 — Directing the President, pursuant to section 5(c) of the War Powers Resolution, to remove United States Armed Forces from hostilities with Iran (Passed, Jul 23, 2026)
  • Voted Yea on H.Con.Res.113 — Establishing the congressional budget for the United States Government for fiscal year 2027 and setting forth the appropriate budgetary levels for fiscal years 2028 through 2036 (Passed, Jul 22, 2026)
  • Voted Yea on H.R.7008 — Stop Insider Trading Act (Passed, Jul 22, 2026)
  • Voted Nay on H.R.7008 — Stop Insider Trading Act (Failed, Jul 22, 2026)
  • Voted Yea on H.R.8800 — National Defense Authorization Act for Fiscal Year 2027 (Passed, Jul 22, 2026)
  • Voted Nay on H.R.8800 — National Defense Authorization Act for Fiscal Year 2027 (Failed, Jul 22, 2026)
  • Voted No on H.R.8800 — On Agreeing to the Amendment (Failed, Jul 22, 2026)

Recently cosponsored bills (12 on record)

  • H.R.9909 — Small Unmanned Aircraft Systems Operational Test, Evaluation, and Training Corridor Act (Introduced, Jul 23, 2026)
  • H.R.8183 — MATCH Act of 2026 (Reported, Jul 21, 2026)
  • H.R.9701 — Daughters of the American Revolution Membership Integrity Act. (Introduced, Jul 15, 2026)
  • H.R.9580 — PARITY Act (Introduced, Jul 9, 2026)
  • H.R.6520 — SNAP Data Transparency and Oversight Act of 2025 (Introduced, Jul 9, 2026)
  • H.R.9250 — Great American Outdoors Act 250 (Reported, Jun 30, 2026)
  • H.R.7897 — No Tax on Drill Pay Act (Introduced, Apr 28, 2026)
  • H.R.7 — No Taxpayer Funding for Abortion and Abortion Insurance Full Disclosure Act of 2025 (Introduced, Apr 22, 2026)

Voting analysis

Mark Messmer has been present for every recorded vote of his first term, and has parted from the Republican position on one of them.

0.0%
Roll calls recorded as not voting
220
Roll calls eligible to vote on
0
Recorded as not voting
0.5%
Votes against the Republican majority
220
Roll calls where a party majority formed
214 of 218
Rank among House Republicans, most defections first

The single break

It was a vote of no on an amendment his conference backed, and the amendment failed anyway. Nothing follows from one such vote, and the rate it produces is best read as a placeholder until there is more behind it.

The only roll call where Mark Messmer voted against the House Republican majority.
Roll callDateOutcomeTheir vote
H.R.8800
On Agreeing to the Amendment
roll call 276		Jul 22, 2026FailedNo (party: Yea)

Among the Indiana Republicans

Indiana's House Republicans are a cohesive group with a low average to start with. Messmer is under it, on the strength of a single term's voting.

Among the 7 Republicans in the Indiana delegation, the average rate of voting against the party majority is 2.5%. Mark Messmer is below that average at 0.5%.

What he legislates on

Agriculture leads the classified subjects, followed by labour. The filings run to integrity and oversight questions more than to farm policy itself: ethical standards in investigations, protection of information held by the commodities regulator, critical industry skills, payment integrity and fraud accountability in child care, and joint defence and agriculture research.

Sponsored bills carry the Congressional Research Service's own subject classification. Mark Messmer's cluster into: Agriculture and Food (4), Labor and Employment (3), Education (2), Armed Forces and National Security (1), Crime and Law Enforcement (1), Energy (1).

16
Bills sponsored
214
Bills cosponsored

Of all 16, 15 currently sit at Introduced.

Tenure

He came to the House with this Congress after service in the state legislature.

First elected in 2025, now serving across 1 terms. Mark Messmer falls in the freshman cohort.

By the numbers

In the 119th Congress, Mark Messmer has 16 bills sponsored, 214 cosponsored, 100 recent floor votes recorded.

Committee assignments

  • House Committee on Agriculture
  • House Committee on Armed Services
  • House Committee on Education and Workforce
  • House Committee on Agriculture: Commodity Markets, Digital Assets, and Rural Development
  • House Committee on Agriculture: Conservation, Research, and Biotechnology
  • House Committee on Agriculture: Livestock, Dairy, and Poultry
  • House Committee on Armed Services: Readiness
  • House Committee on Armed Services: Strategic Forces
  • House Committee on Education and Workforce: Early Childhood, Elementary, and Secondary Education
  • House Committee on Education and Workforce: Workforce Protections

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