Born on the Eastern Shore, Marshall resides in Pocomoke. He is the owner/operator of Tangier Sound Charters. His experience includes commercial waterman, author, agriculture sales, and food service. He serves on the Pocomoke City Council, Chair Economic Development Committee, Worcester County Tourism Ad Board, and Atlantic General Foundation Board. He describes himself as a strong supporter of fisheries and agriculture.
Races
| Race | District | Election Year | Election Level | Election Type |
|---|---|---|---|---|
| State Senator — District 38A | 38A | 2026 | State | Primary |
Republican Primary |
||||
| Candidates | Pct. | Votes | |
|---|---|---|---|
 C.L. Marshall, III
Winner
|
58.1% |
|
2,011 |
 Tim Howlett
|
41.9% |
|
1,451 |
| (100%) precincts reporting Updated |
|||
| Race | District | Election Year | Election Level | Election Type |
|---|---|---|---|---|
| Maryland House of Delegates District 38A | 38A | 2026 | State | General |
| Candidates | Pct. | Votes | |
|---|---|---|---|
|
C.L. Marshall, III
|
60.9% |
|
8,714 |
 Shelley Johnson
|
39.1% |
|
5,585 |
| (94%) precincts reporting Updated |
|||