About William McHenry
Lived 1771 – 1835 (aged 63). William McHenry was an American politician.
William McHenry was an American politician and military leader.
Early life McHenry was born in Kentucky in 1771.
Career McHenry served as a lieutenant in Price's Battalion of Mounted Volunteers and participated at the Battle of Fallen Timbers in 1794, near modern Toledo, Ohio.
McHenry moved from Henderson County, Kentucky, in 1810. The family settled in what is now White County, Illinois, along the trail between the salt works near Old Shawneetown, Illinois, and Forts of Vincennes, Indiana.
In 1811, McHenry served in the Illinois Militia during Tecumseh's War, which culminated in the Battle of Tippecanoe in the Indiana Territory. After the outbreak of the War of 1812, he participated in the attack on the Native American village at Peoria, which was allied with the British.
McHenry served as a major, leading the Mounted Spies, in the Black Hawk War in 1832. He became ill during the campaign.
Politics McHenry was a delegate to the Illinois Constitutional Convention in 1818. McHenry was elected as a state representative representing White County to the 1st, 4th, and 5th General Assemblies; as a state senator representing White County in the 6th and 7th General Assemblies; and last again as a state representative representing White County in the 9th General Assembly.
McHenry died during his last term as state representative in 1835.
Personal life He married Hannah Ruth Blackford in the late 1790s in Logan County, Kentucky.
McHenry died on February 3, 1835, in a boarding house in Vandalia, Illinois, which was then the location of the state capitol.
Legacy McHenry is the namesake of McHenry County and McHenry, Illinois, located in the northwest suburbs of Chicago.
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Important facts
People in William McHenry's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped William McHenry's
Frequently asked questions
Who was William McHenry?
American politician (1771-1835)
When was William McHenry born?
William McHenry was born on 3 October 1771 in Kentucky.
When did William McHenry die?
William McHenry died on 3 February 1835 in Vandalia.
What was William McHenry's occupation?
William McHenry was a politician.
What nationality was William McHenry?
William McHenry was American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). William McHenry. https://biography.guide/william-mchenry/
MLA: "William McHenry." Biography.guide, https://biography.guide/william-mchenry/.
Chicago: "William McHenry." Biography.guide. https://biography.guide/william-mchenry/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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