John Oldham (colonist)

John "Captain Mad Jack" Oldham
BornJuly 1595
DiedJuly 20, 1636(1636-07-20) (aged 40–41)
Other names"Mad Jack"
Occupationslandowner, magistrate
Known forFounder of Wethersfield, Connecticut
SpouseJane Bissell
ChildrenRichard, Mary, John Jr.

John Oldham (July 1595 – July 20, 1636) was an early Puritan settler in Massachusetts. He was a captain, merchant, and Indian trader. His death at the hands of the Indians was one of the causes of the Pequot War of 1636–37.