Tommy Katsiantonis
Last held office: New Hampshire House of Representatives, District 515 (2008–2018). Ran in 12 elections between 2002 and 2024, winning 6. Lost the 2026 race for New Hampshire House of Representatives: Hillsborough 39.
Last office: New Hampshire House of Representatives, District 515
- Last margin
- −6.0
- Lost 2024
- Elections
- 13
- 2002–2026
Source: Wikidata, congress-legislators and Open States; 99chambers legislative records
Career
Offices held, and every time Katsiantonis 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)
Every race Katsiantonis has run
Baseline: how the seat voted for president in the same or nearest year. Running ahead of it means Katsiantonis won voters the party’s presidential nominee did not; primaries have no baseline.
Source: 99chambers results archive; 2026: civicAPI (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Seats Katsiantonis has held
Source: 99chambers results archive
Who Katsiantonis has run against
- Mark McLean (R) · 2024 election, lost
- Mark Warden (R) · 2020 election, lost
- Steve Vaillancourt (R) · 2016 election, won
- Bob Chabot (R) · 2004 election, lost
- Irene Messier (R) · 2002 election, lost
Source: 99chambers results archive; 2026: civicAPI (unofficial)