John E. Colhoun

John Ewing Colhoun
United States Senator from South Carolina
In office March 4, 1801 – October 26, 1802
Preceded by	Jacob Read
Succeeded by	Pierce Butler
Member of the South Carolina House of Representatives
In office 1778–1800
Personal details
Born	1749 Staunton, Virginia
Died	October 26, 1802 (aged 52–53) Pendleton, South Carolina, U.S.
Political party	Democratic-Republican
Spouse(s)	Floride Bonneau Colhoun
Alma mater	Princeton University
Occupation	Planter, Legislator
Profession	Lawyer

John Ewing Colhoun (1749 – October 26, 1802) was a United States Senator and lawyer from South Carolina.

Colhoun, was born in Staunton, Virginia where he attended common schools before graduating from the College of New Jersey (now Princeton University) in 1774. He was a member of the South Carolina House of Representatives from 1778 to 1800. He studied to be a lawyer and was admitted to the bar in 1783, commencing practice in Charleston, South Carolina. He was a farmer and was elected a member of the privy council and was also a commissioner of confiscated estates in 1785.

Colhoun (and Calhoun) is a surname that originated in Ulster to where Colhoun's great-great-great-grandfather Robert Colquhoun migrated from Dunbarton, Dumbartonshire in Scotland. Colhoun was born to Ulster-Scottish immigrants to colonial America from County Donegal. Colhoun appears to have himself changed his surname from Calhoun to Colhoun.

Colhoun married Floride Bonneau a member of a prominent Charleston, South Carolina Huguenot family. They had three children: John Ewing, Jr. who became a planter, Floride Bonneau (1792–1866) who married her father's first cousin John Caldwell Calhoun and James Edward (1798-1889 later changed last name to Calhoun), a planter who would become an officer in the U.S. Navy in the 1820s. Floride became Second Lady of the United States in 1825. John Colhoun was also a first cousin of Joseph Calhoun, and brother-in-law of Andrew Pickens.

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