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Full Breakdown

DNA Unlocks the Name of a 246-Year-Old Revolutionary War Soldier

7/17/2026, 10:32:11 PM

The Breakthrough Identification

Private John Pumphrey, a Maryland teenager who fell at the Battle of Camden on August 16 1780, has been identified after 246 years. Researchers extracted DNA from the petrous portion of his temporal bone, sequenced his entire genome, and uploaded the data to public genealogy databases. The resulting matches led to a distant relative, retired federal agent Russ Hudson, whose archival research confirmed Pumphrey’s enlistment in the 7th Maryland Regiment. The remains, previously catalogued as “Camden 9B,” were reinterred with full military honors in 2023.

Historical Context of the Camden Tragedy

The Battle of Camden in South Carolina was one of the Continental Army’s most devastating defeats, with roughly 900 American soldiers killed or missing. Pumphrey’s unit had previously fought at Brandywine, Germantown, Monmouth and endured the winter at Valley Forge. The 2020 archaeological survey of the battlefield uncovered 14 sets of human remains, 12 of which were identified as Continental soldiers and later reburied.

Key Players and Supporting Organizations

  • Allison Peacock, founder of FHD Forensics, led the forensic genealogy effort.
  • Kelly Harkins Kincaid, co-founder and scientific adviser of Astrea Forensics, oversaw DNA extraction.
  • Russ Hudson, a retired federal agent from Gettysburg, Pennsylvania, conducted the archival research that linked the DNA to the Pumphrey family.
  • Becky Berman, a fifth-great-cousin of Pumphrey, represented the living relatives at the memorial ceremony.
  • Funding and logistical support came from the South Carolina Institute of Archaeology and Anthropology, the South Carolina Battleground Preservation Trust, and other regional sponsors.

Data and Statistics

  • 14 sets of remains recovered; 12 Continental soldiers reinterred.
  • DNA extracted from a petrous bone yielded a complete genome.
  • Approximately 20,000 DNA matches were identified across autosomal, X-chromosome and Y-chromosome databases.
  • Pumphrey likely marched 1,000 miles (1,600 km) before his death.
  • The battle claimed about 900 American lives.

Significance of the Discovery

This case marks the first successful identification of a 246-year-old “John Doe” in American history, demonstrating that ancient DNA can be combined with modern genealogical tools to resolve long-standing historical mysteries. It provides closure for descendants and enriches the documented narrative of the Revolutionary War’s human cost.

Official Responses

Allison Peacock described the work as “an extremely intricate puzzle” that culminated in a “sense of divine timing.” Relatives expressed profound emotion, noting that the identification “means a great deal for both forensic scientists and those with familial ties to people who were lost to history.” Russ Hudson emphasized that the story “won’t be over until the U.S. government confirms the research and replaces his fifth great-uncle’s ‘UNKNOWN’ gravestone.”

Remaining Uncertainties

  • Age at enlistment: No birth record exists; Pumphrey signed re-enlistment papers with an “X,” indicating he was likely a minor.
  • Cause of death: No definitive injury was found; investigators suspect a soft-tissue wound such as a bayonet injury.
  • Official governmental confirmation remains pending.

Verbatim Quotes

  • “There was a sense of divine timing, I guess,” — Allison Peacock, founder, FHD Forensics
  • “Typically, in a case like this, we work with teeth, because teeth are in the jaw and are protected, the roots are protected,” — Allison Peacock
  • “It gets colonized by the microbial environment in the soil and the water in the environment,” — Kelly Harkins Kincaid, co-founder, Astrea Forensics
  • “We got 20,000 matches to work with,” — Allison Peacock
  • “Mr Hudson said: “I learned that probably when he was 13, he went to Baltimore and he enlisted in the militia.” — Russ Hudson

Next Steps

Researchers are now focusing on the remaining set of remains, designated “Camden 11A,” which Peacock has discovered is a distant relative of hers. The team hopes to apply the same DNA-genealogy workflow to identify additional soldiers buried at the battlefield, though the process remains costly and time-intensive.