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History · Clayton Township

Clayton Township’s post office opened in 1837, and 18% of its homes were built before 1940

Below: old-book passages.

1837first post office
0on the National Register
18%homes built before 1940
Quick answers

How Clayton Township began

When was Clayton Township founded?

1837

The Clayton Township post office opened in 1837, the earliest record of the town by name.

2020 census: 958189 years
Founding year: the first Clayton Township post office (Blevins & Helbock, CC0).The full story ↓

What stands out about Clayton Township’s past

Read from the archive, the National Register and the record. The page puts what stands out first.

★ What stands out · Help out

Start Clayton Township’s collection

The first neighbors to add old photos shape how Clayton Township’s history is told.

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
The story

How Clayton Township came to be

From Wikipedia’s history of Clayton Township.

Read it all →

Clayton is named for Kentucky statesman Henry Clay. It was established in 1834.

Text from Wikipedia, licensed CC BY-SA 4.0.

From the old history books

What they wrote about Clayton Township in 1919

Passages that mention Clayton Township, cut from the printed page as they were published.

this part of Illinois. Mr. Adair continued this special branch of his business actively from about 1890 until 1907. In 1890 he moved to Clayton Township, and at the present he and wife have 140 acres, eighty acres of this being in Clayton Township and sixty acres in Brown Township. A part of this l…
Quincy and Adams County history1919 · page 1315Read the page →
Read the text

this part of Illinois. Mr. Adair continued this special branch of his business actively from about 1890 until 1907. In 1890 he moved to Clayton Township, and at the present he and wife have 140 acres, eighty acres of this being in Clayton Township and sixty acres in Brown Township. A part of this land came to his wife through her father's estate. His term as supervisor from Clayton Township ran from 1906 to 1912.

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.

By decade

Clayton Township, decade by decade

Places that used to be

Old corners, places now gone and burying grounds

Old hamlets and crossroads still carry their names on the map.

Hamlets and corners on the map
Blacks
Gone or out of use
Blue Stocking SchoolschoolLogue SchoolschoolSouth Prairie SchoolschoolSulphur Springs SchoolschoolUnion Schoolschool
5cemeteries and burying grounds inside Clayton Township
Evangelical LutheranMeintsPleasant ViewSargentSouth Side

Places and cemeteries from the USGS Geographic Names Information System (2021).

Stories next door

History across the town line

Each neighbor’s History grade, on the same three inputs.

Questions about Clayton Township’s history

What year was Clayton Township founded?

The Clayton Township post office opened in 1837, the earliest record of the town by name (U.S. post office records).

Memory lane

What the archives can’t tell you, neighbors can.

Town Square →
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Sources

Where this page comes from

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 (1), Wikipedia, 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.