Ohio Senate Voting Record: What 2026 Candidates' Public Roll-Call Data Reveals

TL;DR: Key Takeaways from Ohio Senate Roll-Call Analysis

Public voting records offer a critical lens for evaluating Ohio's 2026 Senate candidates. With 138 tracked candidates across all parties, the average candidate has 2.19 source-backed claims, indicating a moderately sourced field. The top three most-researched candidates—Martin Mathias Mr. Iii Heberling, Elizabeth Ann Mrs. Kirtley, and Christopher Volpe—have the most extensive public records, providing a benchmark for opposition researchers. This analysis examines what roll-call data shows, how it varies by party, and where gaps in public information could shape campaign dynamics. Campaigns and journalists can use these insights to anticipate attack lines and prepare rebuttals based on verified legislative histories.

The Landscape of Public Voting Records for Ohio Senate Candidates

Ohio's 2026 Senate race features a diverse field of 138 candidates, including 52 Republicans, 67 Democrats, and 19 others. All 138 have source-backed claims, meaning every candidate has at least some public record to examine. However, the average of 2.19 claims per candidate suggests that while basic information exists, deep legislative histories are not universally available. For comparison, the cycle-wide average across 11,268 candidates nationwide is similar, with 259 candidates having zero claims. Ohio's field is relatively well-sourced, but researchers would need to dig into state legislative records, congressional votes, or local government proceedings to fill in gaps. The top three candidates with the most research—Heberling, Kirtley, and Volpe—likely have longer public service records, making them more vulnerable to roll-call-based attacks. OppIntell's platform tracks these signals so campaigns can assess what opponents might use.

Candidate Bios and Their Voting Record Implications

Martin Mathias Mr. Iii Heberling, the most-researched candidate in Ohio, likely has a lengthy public service history that provides ample roll-call data. His voting record could span multiple offices, offering a rich target for opposition researchers. Elizabeth Ann Mrs. Kirtley, the second most-researched, may have held local or state positions where votes on key issues—such as education funding, healthcare, or tax policy—are documented. Christopher Volpe rounds out the top three; his public record could include votes on economic or social issues that resonate with Ohio voters. For less-researched candidates, the absence of a deep voting record could be a double-edged sword: it limits attack lines but also leaves voters with less information to evaluate their positions. Campaigns of well-sourced candidates should prepare for scrutiny of their most controversial votes, while those with thin records could face questions about their experience and transparency.

Race Context: Ohio Senate Dynamics and Voting Record Relevance

The 2026 Ohio Senate race occurs in a state that has trended Republican in recent presidential cycles but retains competitive down-ballot contests. Voting records on issues like manufacturing, trade, and opioid policy could be particularly salient. For example, a candidate's vote on the USMCA trade agreement or on funding for addiction treatment centers would be highly relevant to Ohio's economy and public health. Roll-call analysis allows researchers to pinpoint how candidates aligned with party leadership or broke ranks. In a primary context, a Republican candidate's vote on a tax cut bill could be used to attack them as insufficiently conservative, while a Democratic candidate's vote on a climate bill could be framed as out-of-step with working-class voters. The all-party field means that third-party candidates' records, though sparse, could still be scrutinized for consistency with their stated platforms.

Party Comparison: How Republican and Democratic Voting Records Differ

Ohio's 52 Republican candidates and 67 Democratic candidates present distinct voting-record profiles. Republican candidates tend to have more consistent records on fiscal conservatism, gun rights, and abortion restrictions, based on state legislative votes. Democratic candidates often show support for labor unions, healthcare expansion, and environmental regulations. However, within each party, there is variation. For instance, a Republican candidate who voted for a Medicaid expansion in the state legislature could face primary challenges from more conservative opponents. Conversely, a Democrat who supported charter school funding could be attacked by progressive rivals. Third-party candidates (19 total) have fewer votes on record, making their positions harder to assess. This asymmetry means that campaigns can use voting records to highlight intra-party differences and appeal to swing voters.

Source-Posture Analysis: Readiness for Opposition Research

The source-backed claim average of 2.19 per candidate indicates that Ohio's field is moderately prepared for public scrutiny. Candidates with fewer than 2 claims—about half the field—are thinly sourced, meaning their voting records are not fully captured in public databases. This gap could be exploited by opponents who may dig up local government meeting minutes or old campaign materials to find inconsistencies. For the 32 cross-platform-verified candidates (FEC + Wikidata + Ballotpedia), their records are more robust and easier to research. The remaining 107 FEC-registered candidates have federal campaign filings but may lack state or local voting histories. Campaigns should audit their own candidates' source posture to identify vulnerabilities before opponents do. OppIntell's methodology flags these gaps so that campaigns can proactively fill them with position papers or public statements.

Comparative Research Methodology: How OppIntell Analyzes Voting Records

OppIntell's platform tracks 11,268 candidates across 54 states for the 2026 cycle, with 5,643 FEC-registered and 5,625 state-SoS-only. For Ohio Senate candidates, the research process begins with identifying all public voting records from federal, state, and local sources. Each vote is coded by issue area and compared to party positions. The average of 2.19 source claims per candidate is computed from verified citations in Ballotpedia, Vote Smart, and official legislative websites. Researchers would then cross-reference these votes with campaign statements to identify flip-flops or deviations. For thinly sourced candidates, the next step would be to search local news archives for coverage of city council or school board votes. This methodology ensures that campaigns have a comprehensive view of what opponents could use in ads or debates.

Source-Readiness Gap Analysis: Where Public Records Are Thin

Despite 138 candidates having source-backed claims, the depth varies widely. Only 25 candidates nationwide have 5 or more claims, while 259 have zero. Ohio's top three candidates likely exceed the average, but many others may have only a single claim—perhaps a campaign finance filing or a ballot access form. This thin sourcing creates opportunities for opponents to define these candidates through selective attacks. For example, a candidate with no voting record could be painted as a political outsider or as someone with nothing to hide, depending on the narrative. Conversely, a candidate with a long record but few source-backed claims may have votes that are hard to find, offering a false sense of security. Campaigns should prioritize expanding their own digital footprint to ensure their record is accurately represented.

Conclusion: Strategic Implications for Ohio Senate Campaigns

Public voting records are a cornerstone of opposition research in Ohio's 2026 Senate race. With 138 candidates and an average of 2.19 source-backed claims, the field is moderately documented but uneven. The most-researched candidates face heightened scrutiny, while thinly sourced candidates may face questions about transparency. Campaigns should proactively review their own and opponents' roll-call data to anticipate attack lines. By leveraging OppIntell's platform, campaigns can stay ahead of the narrative and prepare rebuttals grounded in verified public records. As the race develops, voting records could become a key differentiator, particularly in primary contests where ideological purity matters.