John Treadwell

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John Treadwell
John Treadwell (Connecticut Governor).jpg
21st Governor of Connecticut
In office
August 7, 1809 – May 9, 1811
Lieutenant Roger Griswold
Preceded by Jonathan Trumbull, Jr.
Succeeded by Roger Griswold
5th Lieutenant Governor of Connecticut
In office
December 1, 1797 – August 7, 1809
Governor Jonathan Trumbull, Jr.
Preceded by Jonathan Trumbull, Jr.
Succeeded by Roger Griswold
Personal details
Born (1745-11-23)November 23, 1745
Farmington, Connecticut
Died August 18, 1823(1823-08-18) (aged 77)
Farmington, Connecticut
Nationality United States
Political party Federalist
Spouse(s) Dorothy Pomeroy Treadwell

Dolle Treadwell 1st (died at 3 yrs.)

Dolle Treadwell 2nd

Eunice Treadwell

Mary Treadwell

George Treadwell

John Treadwell
Alma mater Yale University

lawyer politician

Religion Congregationalist

John Treadwell (November 23, 1745 – August 18, 1823) was an American politician and the 21st Governor of Connecticut.


Treadwell was born in Farmington, Connecticut the only son of Ephraim and Mary (Porter) Treadwell, on November 23, 1745. He graduated from Yale University in 1767. He then studied law with Judge Titus Hosmer in Middletown, was admitted to the bar and practiced law in Farmington. On November 20, 1770, John Treadwell married Dorothy Pomroy, of Northampton, Massachusetts. They had four daughters, Dolle 1st, who died at just three years of age; Dolle 2nd; Eunice; and Mary, and two sons, George and John.[1]


Treadwell served as a member of the General Assembly from 1776 to 1783. He was then elevated to the governor's council. He held that position until 1783. He was elected to the Confederation Congress in 1784, 1785, and 1787, but did not attend. He was a member of Connecticut council of assistants from 1786 to 1798. From 1786 to 1797 he served as Judge of the Court of Common Pleas. In 1788 he was a Delegate to the state convention that ratified the US Constitution. In 1789 Treadwell became Judge of the Probate Court and the Supreme Court of Errors, serving until 1809.[2] He was elected a Fellow of the American Academy of Arts and Sciences in 1805.[3]

In 1798, Treadwell was elected the Lieutenant Governor of Connecticut, an office he also held until 1809. Jonathan Trumbull, the Governor of Connecticut, died in office on August 7, 1809. Treadwell, lieutenant governor at the time, assumed the governor's office. He was elected by popular vote on April 9, 1810, to the governorship. During his term, the Hartford Fire Insurance Company was proposed, and the Non-Intercourse Act was reinstated in February 1811, which resulted from Connecticut's opposition to the United States's impending war with Great Britain.[4]

Treadwell left office on May 9, 1811 after an unsuccessful re-election bid. In 1814-15 he was a Connecticut delegate to the Hartford Convention. He was a member of the 1818 Constitutional Convention and also served on the American Board of Commissioners for Foreign Missions.[4]


Treadwell, a Congregationalist, died in Farmington, Hartford County, Connecticut, on August 18, 1823 (age 77 years, 268 days). He is interred at Farmington Old Cemetery.[5] He was a founder of the Connecticut Missionary Society.


  1. ^ "John Treadwell". Connecticut State Library. Retrieved 11 January 2013. 
  2. ^ "John Treadwell". Biographical Directory of the United States Congress. Retrieved 11 January 2013. 
  3. ^ "Book of Members, 1780–2010: Chapter T" (PDF). American Academy of Arts and Sciences. Retrieved July 28, 2014. 
  4. ^ a b "John Treadwell". National Governors Association. Retrieved 11 January 2013. 
  5. ^ "John Treadwell". The Political Graveyard. Retrieved 11 January 2013. 

External links[edit]

  • Sobel, Robert and John Raimo. Biographical Directory of the Governors of the United States, 1789-1978. Greenwood Press, 1988. ISBN 0-313-28093-2

Political offices
Preceded by
Jonathan Trumbull, Jr.
Lieutenant Governor of Connecticut
Succeeded by
Roger Griswold
Preceded by
Jonathan Trumbull, Jr.
Governor of Connecticut
Succeeded by
Roger Griswold