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Photograph of Joseph Duncan House
Photograph by Nyttend, Public domain. Via Wikimedia Commons.

Joseph Duncan House

Listed on the National Register of Historic Places in 1971.

From the record

“The Joseph Duncan House, also known as the Governor Duncan Mansion, is a historic house located at 4 Duncan Place in Jacksonville, Illinois. The Georgian style house was built in 1833 for Illinois politician Joseph Duncan.”

Wikipedia article Joseph Duncan House, CC BY-SA 4.0.

One of 11 National Register listings published here for Morgan County · listed in 1971 · category: Building.

Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service

The listing

  • Listed as. Duncan, Joseph, House - the National Register files a house under its owner's surname.
  • Address. 4 Duncan Pl., Jacksonville, 62650
  • When was it listed? November 1971
  • Category. building
  • Precinct. Jacksonville No. 11 precinct
  • National Register reference number. 71000294 - the number the National Park Service assigned this property when it was listed, and the key its nomination file is catalogued under at the National Archives.

Fires near this property

38 since 2008

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 38 fires within 5 miles of Joseph Duncan House between 2008 and 2017, burning about 183 acres in total. None started naturally. None was recorded as arson. Distance is straight-line from the map coordinates, so a fire counted here may appear on a neighbouring settlement's page as well.

Reported cause Fires
Missing data/not specified/undetermined22
Debris and open burning10
Power generation/transmission/distribution2
Equipment and vehicle use2
Railroad operations and maintenance1
Misuse of fire by a minor1

The most recent of them, most recent first, with the day each was reported and the service that recorded it.

DateCause SizeReported by Name on the report
30 September 2011Equipment and vehicle use6.0 acresIllinois Division of Forestry ResourcesBECKER
20 September 2017Railroad operations and maintenanceunder an acreIllinois Division of Forestry Resources17406 GRASSFIRE
18 September 2016Missing data/not specified/undeterminedunder an acreIllinois Division of Forestry ResourcesSOI MM15
1 September 2011Power generation/transmission/distribution1.0 acresIllinois Division of Forestry ResourcesI72 63
30 August 2011Missing data/not specified/undetermined3.0 acresIllinois Division of Forestry ResourcesPOOR FARM
11 August 2010Missing data/not specified/undeterminedunder an acreIllinois Division of Forestry Resources10253
1 August 2011Missing data/not specified/undeterminedunder an acreIllinois Division of Forestry Resources800
8 July 2012Missing data/not specified/undetermined2.0 acresIllinois Division of Forestry ResourcesBROCKHOUSE

Every fire recorded in Morgan County

Mines and quarries near this property

2 within 5 miles

Regional context, not property-specific evidence. The federal mineral resources record lists 2 workings within 5 miles of Joseph Duncan House: 1 occurrence, 1 past producer. None of them still produces. What was taken out: Stone, Crushed/Broken, Stone. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Where SiteCommodity StatusRecorded
Limestone ProspectStone, Crushed/BrokenOccurrence
Morgan County PitStonePast Producer

Every working recorded in Morgan County

Storms near this property

60 of 92 shown

Regional context, not property-specific evidence. The National Weather Service names Jacksonville, the town this property stands in, in 92 storm reports between 1996 and 2025: 47 thunderstorm wind, 36 hail, 4 tornado, 4 flash flood. The reports record 2 injuries. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.

WhenEvent Place namedHarm What the report says
May 2004Tornado (F2)Jacksonville1 hurt, $4,000,000A small tornado touched down in the southwest section of Jacksonville near the point where Route 67 turns north. As it traveled to the northeast it quickly intensified to F2 strength destroying a furniture store, house and church and caused major damage to a motel. One occupant of the motel sustained minor injuries. The tornado then quickly weakened causing minor damage to several more homes and businesses before lifting and dissipating.
April 1996Tornado (F2)Jacksonville1 hurt, $400,000no account filed
May 2004Thunderstorm WindJacksonville$1,000,000Thunderstorm winds caused a large swath of damage across town. Numerous trees, tree limbs and power lines were blown down. Also, several homes sustained minor roof damage. The county courthouse also sustained roof damage. No injuries were reported.
June 2014Thunderstorm WindJacksonville$120,000A roof was blown off a building at 665 S. West Street. Minor roof damage was reported to 12 houses and 2 garages. Numerous tree branches were blown down from the corner of Lincoln and Morton to College, then east to Clay and south to Morton. Several trees and power lines were blown down around town.
December 2002Thunderstorm WindJacksonville$100,000no account filed
August 2010Thunderstorm WindJacksonville$45,000Numerous tree limbs were blown down across Jacksonville. A tree was snapped at the trunk and fell onto Hoagland Boulevard. A large window at a bridal shop was broken and several homes lost shingles from their roofs.
September 2008Flash FloodJacksonville$35,000The basement at Westfair Christian Academy in Jacksonville was flooded.
June 2009Thunderstorm WindJacksonville$30,000Numerous trees and tree limbs were blown down around the city of Jacksonville.
July 2015Thunderstorm WindJacksonville$25,000A few power poles were blown down on the south side of Jacksonville.
July 2008Thunderstorm WindJacksonville$25,000Numerous trees and power lines were blown down in Jacksonville.
June 2015Thunderstorm WindJacksonville$20,000Several trees were blown down.
May 2009Thunderstorm WindJacksonville$20,000Several trees were blown down on the south side of Jacksonville.
August 2009Thunderstorm WindJacksonville$20,000Numerous power lines were blown down in Jacksonville.
May 2021Thunderstorm WindJacksonville$15,000A few trees and power lines were blown down.
July 2015Thunderstorm WindJacksonville$15,000Several large tree limbs were knocked down and shingles were blown across the road on South Westgate Avenue.
September 2012Thunderstorm WindJacksonville$15,000Several 2-inch diameter tree branches were blown down.
May 2011Thunderstorm WindJacksonville$15,000Several large tree limbs were blown down in Jacksonville.
August 2008Thunderstorm WindJacksonville$15,000Several two-foot diameter trees were blown down. Power lines were blown down and blocked Highway 104.
May 2011Thunderstorm WindJacksonville$10,000The tops of several 8 to 10-inch diameter trees were snapped off near 67 and Old 36 just west of Jacksonville.
July 2010Thunderstorm WindJacksonville$7,000A tree and powerline were blown down 1 mile north of Jacksonville.
May 1998Thunderstorm WindJacksonville$6,000As a thunderstorm moved east across Morgan County its winds blew down several trees and power lines in Jacksonville and one mile east of Alexander. Also, the winds caused minor damage to the roof of a livestock building at the Morgan County Fairgrounds in Jacksonville. No injuries were reported.
August 2008Thunderstorm WindJacksonville$5,000Eight-inch diameter limbs were blown down onto a house.
August 2008Thunderstorm WindJacksonville$5,000A power pole was blown down onto a house in South Jacksonville.
June 2018Thunderstorm WindJacksonville$4,000Two large trees were blown down in Jacksonville, including one that fell on a fence.
July 2016Thunderstorm WindJacksonville$1,000A large tree branch was blown down on the west side of Jacksonville.
June 2025Tornado (EF1)Jacksonville-A tornado began near State Highway 104, between Lafayette Avenue and Westwinds Drive. It tracked northeast for 3.6 miles and was on the ground for eight minutes, with the most prolific damage being rated EF-1. The tornado damaged numerous trees, a power company outbuilding, and caused roofing damage to multiple residences on the northwest side of Jacksonville. It then struck an outdoor sports complex, causing substantial damage to the middle portion of an outbuilding, shredding outdoor baseball netting, and strewing sheet metal and other debris to the northeast through the fields. The tornado continued through open fields for several miles before producing additional damage to trees, outbuildings, and residences along Baldwin and Sandusky Roads, immediately southwest of the Jacksonville Airport. It continued northeast through the northwest corner of the Jacksonville Airport property before damaging some trees along Zimmer Road and lifting.
June 2025Thunderstorm WindJacksonville-A softwood tree was snapped.
September 2025Thunderstorm WindJacksonville-A tree was blown onto a house and 4 other trees were knocked down across roadways in Jacksonville.
June 2023Thunderstorm WindJacksonville-A tree was blown onto a truck.
June 2023Thunderstorm WindJacksonville-A large tree was snapped about halfway up the trunk.
June 2023Thunderstorm WindJacksonville-Numerous tree branches were blown down across Jacksonville.
June 2023Thunderstorm WindJacksonville-Numerous tree branches were blown down.
May 2022Thunderstorm WindJacksonville-A large tree and numerous tree branches were blown down across Jacksonville.
September 2022HailJacksonville-Golf ball-sized hail lasted 15 minutes and shredded leaves.
September 2022Thunderstorm WindJacksonville-Multiple large trees were blown down across Jacksonville, some of which were over a foot in diameter.
September 2022Thunderstorm WindJacksonville-Several large trees were blown over.
October 2021Thunderstorm WindJacksonville-Damage was reported along the length of Vandalia Road on the south side of Jacksonville. Numerous trees and power lines were blown down and the facade was torn off a church.
June 2019Thunderstorm WindJacksonville-Power lines were blown down in Jacksonville.
May 2019FloodJacksonville-Heavy rainfall of 2.00 to 4.00 inches during the morning resulted in a large area of flooding in eastern Morgan County, including the city of Jacksonville. Numerous rural roads in the county, and streets in Jacksonville were flooded. Illinois Route 78 two miles north of Jacksonville was impassable due to water flowing over the roads.
June 2018Thunderstorm WindJacksonville-A power line was blown down.
August 2011HailJacksonville-Hail ranged from pea sized to half-dollar sized.
May 2006Thunderstorm WindJacksonville-Several trees and power lines were blown down.
July 2006Thunderstorm WindJacksonville-Numerous trees and power lines were blown down.
July 2006Thunderstorm WindJacksonville-Numerous trees and tree limbs were blown down. Also, a section of bleachers was destroyed at a little league baseball field.
January 2005Flash FloodJacksonville-Numerous streets were flooded in town.
August 2005Thunderstorm WindJacksonville-A few trees blown down.
September 2005Thunderstorm WindJacksonville-A few tree limbs blown down.
November 2005Thunderstorm WindJacksonville-Power lines blown down.
August 2004Flash FloodJacksonville-Several city streets were flooded due to heavy rains.
April 2003Thunderstorm WindJacksonville-A large tree was blown down on the north side of town.
August 2002Thunderstorm WindJacksonville-Several trees were blown down.
July 2000Thunderstorm WindJacksonville-Several trees were blown down in Jacksonville. Also, several power lines were blown down in Jacksonville and Waverly.
April 1999Thunderstorm WindJacksonville-Thunderstorm winds blew down ten power poles in Jacksonville and caused minor damage to a couple of homes in town. No injuries were reported.
April 1999Tornado (F1)Jacksonville-A tornado touched down 5.5 miles west of Jacksonville. It threw a boat off its trailer a quarter of a mile into a neighbor's pond. A house nearby sustained some shingle and window damage and a truck was damaged. As the tornado travelled to the northeast, it blew down dozens of trees and destroyed a barn. Nearby the roof of an airplane hanger was peeled back with the sheet metal thrown into trees. A 2x4 was driven into the southwest side of a house. After the tornado crossed Route 67, it continued to the northeast knocking down trees and power poles. In Arcadia, a barn was severely damaged, several outbuildings were destroyed, a garage was damaged, and roof damage was reported to several homes before the tornado lifted and dissipated. No injuries were reported.
April 1997Thunderstorm WindJacksonville-In Jacksonville, the thunderstorm winds damaged the tin roof of a trailer home, though no injuries were reported.
May 2025HailJacksonville-no account filed
May 2025HailJacksonville-no account filed
May 2025HailJacksonville-no account filed
May 2025Thunderstorm WindJacksonville-no account filed
March 2023HailJacksonville-no account filed

Every storm recorded in Morgan County

Map coverage status

No historic map-sheet match is published for this property yet. That does not mean no map exists. This record needs a coordinate-quality review before it can be joined to a sheet boundary. Browse the county's mapped places while that work is pending.

Listed places nearby

6 within 8 miles

Other National Register properties close enough to walk or drive between, ordered by distance from this one. Both positions come from the same geocoding pass that matched these properties to their map sheets.

Sources for this property

National Archives recordThe nomination case file for reference 71000294 in Record Group 79.
Wikipedia articleCommunity-written account of this property, licensed CC BY-SA.
Morgan CountyAll 11 listed properties in this county.

Provenance

  • Listing record. National Park Service National Register of Historic Places, listed-properties dataset, current to 2026-05-22.
  • Map join. Address geocoded through the United States Census geocoder, then tested against the published boundary of every sheet in the USGS Historical Topographic Map Collection.
  • How this page is made. Listing fields come from federal records; map-sheet coverage is a labelled coordinate-to-boundary calculation, not a source-field claim.
  • Wildfire. Short, Karen C. 2022. Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014]. 6th Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2013-0009.6 Collected with United States Government funding and usable without additional permissions or fees.
  • Mines and quarries. USGS Mineral Resources Data System (MRDS) https://mrdata.usgs.gov/mrds/ A work of the United States government, no copyright under 17 U.S.C. 105.
  • Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.