John Duff (counterfeiter)

John Duff
Born
John Michael McElduff

September 1759 – August 1760
DiedJune 4, 1799 or 1805 (aged 38-45)
Cause of deathgunshot wound
Resting placeunknown
Other namesJohn McDuff, Jean Duff, Jean Michel Duff, John Michael Duff, Michael Duff
Occupation(s)frontiersman, hunter, horse thief, cattle thief, hog thief, soldier, salt maker, criminal gang leader, counterfeiter
Spouses
Children1
Military career
Allegiance Virginia,  United States
BranchVirginia State Forces
Years of service1778–1780s
Rankprivate, sergeant
UnitCaptain John Williams' Company (Kaskaskia) and Captain Richard McCarty's Company (Cahokia), Illinois Regiment
Battles / warsAmerican Revolutionary War
Signature

John Duff, born John McElduff, or John Michael McElduff, because early court records referred to him as John Michael Duff (September 1759 or August 1760 – June 4, 1799 or 1805), was a counterfeiter, criminal gang leader, horse thief, cattle thief, hog thief, salt maker, longhunter, scout, and soldier who assisted in George Rogers Clark's campaign to capture the Illinois country for the American rebel side during the Revolutionary War.