RepublicanNo state or federal office heldLost the 2026 general
Shannon Brennan
Lost the 2026 race for Wyoming House District 23.
- Last margin
- −34.4
- Lost 2026
- Elections
- 1
- 2026
Source: Wikidata, congress-legislators and Open States; 99chambers legislative records
Background
As listed by the official candidate list, Wikidata and campaign filings. 99chambers does not summarize platforms or endorsements.
- On the ballot as
- energy and environmental consultant
Every race Brennan has run
Baseline: how the seat voted for president in the same or nearest year. Running ahead of it means Brennan won voters the party’s presidential nominee did not; primaries have no baseline.
| Year | Office | Stage | Result | Opponents | Share | Margin | Baseline | Against baseline |
|---|---|---|---|---|---|---|---|---|
| 2026 | Wyoming House of Representatives, District 23 | General | Lost | Liz Storer (D) | 32.8% | D+34.4 | D+29.6 |
Source: 99chambers results archive; 2026: civicAPI (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Who Brennan has run against
- Liz Storer (D) · 2026 election, lost
Source: 99chambers results archive; 2026: civicAPI (unofficial)
The seat
- Wyoming House District 23 · lean D+29.2 · 2nd most Democratic of 62
Source: 99chambers: presidential results on current lines (MEDSL precinct returns)