Tim O'Brien
Indiana State Representative, District 78 since 2022. Ran in 2 elections between 2022 and 2024, winning 2. Ran for re-election in 2026; the count goes on.
- In office
- 3 yrs
- Since 2022
- Bills became law
- 4
- 16 sponsored, 2025–2026 session
- Votes missed
- 0.1%
- Chamber median 6.0%
- With party
- 100%
- On votes splitting the parties
- Last margin
- +25.4
- Won 2022
- Elections
- 3
- 2022–2026
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:52 PM ET
Committees
As of 2026-10.
- Government and Regulatory Reform
- Veterans Affairs and Public Safety
- Ways and Means
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
AGENCIES; Department of Health (IDOH) · Became law May 2025
BOARDS, COMMISSIONS, AND COUNCILS; Newly Created · Became law May 2025
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where O'Brien sits in the Indiana House of Representatives
O'Brien is closer to the center than 32% of the chamber's Republicans.
Closest: Ethan Lawson, Jake Teshka, Brad Barrett
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:50 PM ET
With O'Brien’s party
- Votes with the chamber's Republicans100%
- Cosponsorships of the other party's bills15%
Black tick: the average of Republicans in the Indiana House of Representatives.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: O'Brien’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.
| Date | Bill | O'Brien | Rep. majority | Dem. majority | Result |
|---|---|---|---|---|---|
| Feb 27, 2026 | HB 1038: Gaming matters. | Yes | No | Yes | Passed 56–37 |
| Feb 27, 2026 | SB 176: Shooting ranges. | Yes | Yes | No | Passed 67–25 |
| Feb 26, 2026 | HB 1368: Carbon. | Yes | Yes | No | Failed 48–42 |
| Feb 26, 2026 | HB 1258: Crimes of violence. | Yes | Yes | No | Passed 78–15 |
| Feb 24, 2026 | SB 285: Housing matters. | Yes | Yes | No | Passed 53–44 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time O'Brien was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.
Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Elections
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 | Indiana House of Representatives, District 78 | Counting | R+0.3 | R+17.3 | −17.0 |
| 2024 | Indiana House of Representatives, District 78 | Won | — | R+17.3 | — |
| 2022 | Indiana House of Representatives, District 78 | Won | R+25.4 | R+15.4 | +10.0 |
Source: 99chambers results archive; 2026: Indiana Election Division (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Seats O'Brien has held
- Indiana House of Representatives, District 78 · since 2022
Source: 99chambers results archive
Who O'Brien has run against
- Sally Busby (D) · 2026 election
- Jason Salstrom (D) · 2022 election, won
Source: 99chambers results archive; 2026: Indiana Election Division (unofficial)
How we know O'Brien
One person, matched across every source we use.
- Open States ocd-person/87eb34dc-70d6-4614-a871-568a836ff552
- Wikidata Q111914608
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:52 PM ET