How Union Township came to be
From Wikipedia’s history of Union Township.
The Dr. John Arnold Farm was listed on the National Register of Historic Places in 1989.
Text from Wikipedia, licensed CC BY-SA 4.0.
Each edition grades its towns against each other only.
1 place in town is on the National Register, among them a historic district with 12 buildings. Below: maps from 1959 on and the census since 1890.
Read from the archive, the National Register and the record. The page puts what stands out first.
Seven other post offices opened and closed inside today’s town.
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
The first neighbors to add old photos shape how Union Township’s history is told.
From Wikipedia’s history of Union Township.
The Dr. John Arnold Farm was listed on the National Register of Historic Places in 1989.
Text from Wikipedia, licensed CC BY-SA 4.0.
Passages that mention Union Township, cut from the printed page as they were published.

Union Township—North of Hon. A.M. Kennedy’s present residence gn or near Ben Davis’ Creek, in Union Township, was a schoo! as early as 1822 or ’23. ‘Che authority for this was the late John Nipp, who settled, March, 1821, on the farm now belonging to Dr. Smith. Cornelius Howard was the teacher. John Lewark, grandfather of Mart Lewark, taught here also. Clark Kitchen taught in a pioneer school house which stood on the east part of the late Joseph Hinchman’s farm, taught here before 1833. James
Text read by machine from the scan; it may contain errors.
Ripley. — Beginning at the northeast corner of Union Township; running thence west to the northwest corner of Section 3, Township 15, Range 10; thence south to the southwest corner of Section 34, Township 14, Range 8; thence east to the southwest corner of Union Township; thence north to the place of beginning.
Text read by machine from the scan; it may contain errors.
Ripley.— Beginning at the northeast corner of Union Township; running thence west to the northwest corner of Section 3, Township 15, Range 10; thence south to the southwest corner of Section 34, Township 14, Range 8; thence east to the southwest corner of Union Township; thence north to the place of beginning.
Text read by machine from the scan; it may contain errors.
he still owns the old home farm in Union Township, and also owns a good farm in Rushville Township. His Union Township farm is one among the best in the county.
Text read by machine from the scan; it may contain errors.Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.
Woven from the archive, old maps, post office records, the National Register and the people born here.
On the mapFirst mapped by the U.S. Geological SurveyEvery edition of the U.S. Geological Survey’s map of Union Township. Tap a year, or press play to watch the town change.

U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Union Township.
The country’s official list of buildings and places worth saving.
National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.
Between 734 and 1,315 people in every census since 1890.
14 censuses, 1890–2020.
U.S. Census Bureau decennial counts, from the census table on Union Township’s Wikipedia page.
Nobody well known was born in Union Township itself, so here are the best known from just nearby.
Each neighbor’s History grade, on the same three inputs.
One place: the Dr. John Arnold Farm (listed 1989).
What the archives can’t tell you, neighbors can.
Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021). How TownRatings grades history →
From Wikimedia Commons (2), the National Register of Historic Places (1), Wikipedia, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), the US Post Offices dataset (Blevins & Helbock), the USGS Geographic Names Information System and old county and town histories (Internet Archive). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.
1959Falmouth sheet · 1:24,000