Mark N Willis
South Carolina State Representative, District 16 since 2008. Ran in 10 elections between 2008 and 2024, winning 10. Re-elected in 2026. Next on the ballot in 2028.
- In office
- 18 yrs
- Since 2008
- Bills became law
- 16
- 996 sponsored, 2025–2026 session
- Votes missed
- 6.0%
- Chamber median 7.9%
- With party
- 100%
- On votes splitting the parties
- Last margin
- +16.5
- Won 2026
- Next election
- 2028
- Nov 7, 2028
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:51 PM ET
Committees
As of 2026-10.
- Interstate Cooperation · chair
- Ways and Means
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where Willis sits in the South Carolina House of Representatives
Willis is closer to the center than 35% of the chamber's Republicans.
Closest: Cody Mitchell, Don Chapman, Doug Gilliam
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 5:01 PM ET
With Willis’s party
- Votes with the chamber's Republicans100%
Black tick: the average of Republicans in the South Carolina House of Representatives.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Willis’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.
| Date | Bill | Willis | Rep. majority | Dem. majority | Result |
|---|---|---|---|---|---|
| Aug 25, 2026 | H 3305: Supplemental Appropriations | Yes | Yes | Yes | Passed 96–15 |
| Aug 11, 2026 | H 4042: Ivermectin | No | No | Yes | Passed 43–51 |
| May 14, 2026 | H 5122: Internet and Communications Service Providers Equipment | Yes | Yes | Yes | Passed 92–18 |
| May 14, 2026 | H 4303: Cigarettes for heating | Yes | Yes | Yes | Passed 91–18 |
| May 14, 2026 | H 4589: Education Capital Improvements Sales and Use Tax | Yes | Yes | Yes | Passed 91–14 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Willis 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 | South Carolina House of Representatives, District 16 | Won | R+16.5 | R+32.6 | −16.1 |
| 2024 | South Carolina House of Representatives, District 16 | Won | — | R+32.6 | — |
| 2022 | South Carolina House of Representatives, District 16 | Won | — | — | — |
| 2020 | South Carolina House of Representatives, District 16 | Won | — | — | — |
| 2018 | South Carolina House of Representatives, District 16 | Won | — | — | — |
| 2016 | South Carolina House of Representatives, District 16 | Won | R+30.9 | — | — |
| 2014 | South Carolina House of Representatives, District 16 | Won | — | — | — |
| 2014 | South Carolina House of Representatives, District 16 (primary) | Won | — | — | — |
| 2012 | South Carolina House of Representatives, District 16 | Won | — | — | — |
| 2010 | South Carolina House of Representatives, District 16 | Won | — | — | — |
| 2008 | South Carolina House of Representatives, District 16 | Won | R+6.3 | — | — |
Source: 99chambers results archive; 2026: South Carolina Election Commission (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Campaign money, 2025–26
- Raised
- $12.6K
- Spent
- $16.6K
- Cash
- $2.3K
Source: South Carolina State Ethics Commission filings through May 18, 2026Updated Oct 15, 2026, 1:11 AM ET
Campaign committees
Open committees can still raise and spend money.
| Mark Willis State | Active |
Source: South Carolina State Ethics Commission filings through May 18, 2026Updated Oct 15, 2026, 1:11 AM ET
Seats Willis has held
- South Carolina House of Representatives, District 16 · since 2008
Source: 99chambers results archive
Who Willis has run against
- Lynn Ramirez (D) · 2026 election, won
- Brandon Greene (D) · 2016 election, won
- Michael Turner Jr. (D) · 2008 election, won
Source: 99chambers results archive; 2026: South Carolina Election Commission (unofficial)
How we know Willis
One person, matched across every source we use.
- Open States ocd-person/45f11431-96b7-4bfe-85f5-ce986002a233
- Wikidata Q21062881
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:51 PM ET