The Ballot Brief
South Carolina
Candidate profile

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John MacCarthy

Democratic · South Carolina · 2026

Running for South Carolina House District 27, South Carolina

Top priorities

From the campaign site

  • Support the Palmetto State Teachers Association's policy agenda
  • Make housing, child care, health care, energy and transportation more affordable
  • Fully fund road improvements at high-accident locations
Biography

MacCarthy spent 23 years as an engineer, including as a lead systems engineer at Northrop Grumman and TRW and five years advising a Pentagon official on technology policy, per the campaign site. He later directed the University of Maryland's systems engineering program and taught physics at Wofford College, and holds a Ph.D. in biophysics and biochemistry from Notre Dame, per the campaign site.

Campaign site (opens in a new tab)

On the ballot

South Carolina House District 27South Carolina · 2026Greenville County sample ballot

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Voting info and more

Voting info and more
How we source this

Profile facts follow official election office filings and the sources cited in each biography. Roster last verified October 14, 2026. Official sources are the final word on who appears on your ballot.

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