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History · Leonore

Leonore dates to 1891, and 41% of its homes were built before 1940

Below: maps from 1925 on and the census since 1900.

1891founded
0on the National Register
41%homes built before 1940
Quick answers

How Leonore began

When was Leonore founded?

1891

Leonore dates its founding to 1891 (Wikipedia’s history). The census first counted it in 1900.

First census: 277 in 19002020 census: 121135 years
Founding year: Wikipedia. First post office: 1889.The full story ↓

What stands out about Leonore’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 Leonore’s collection

The first neighbors to add old photos shape how Leonore’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 Leonore came to be

From Wikipedia’s history of Leonore.

Read it all →

Leonore was originally established as Gary in the late 1880s to serve as a station on the Illinois Valley & Northern Railroad. In 1889, the name of the station was changed as there was already a post office named Gary. Leonore was deemed the favorite of the suggested names. Leonore was incorporated as a village on April 20, 1891; this was certified on June 15, 1891.

Text from Wikipedia, licensed CC BY-SA 4.0.

Timeline

Leonore, 1889 to 1925

Woven from the archive, old maps, post office records, the National Register and the people born here.

  1. 19th century
  2. 1889Post officeThe Lenore post office opens
  3. 1891
    FoundingLeonore is established
  4. 20th century
  5. 1925On the mapFirst mapped by the U.S. Geological Survey
By decade

No old photos in the archives yet

Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.

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On the map

Leonore on the map, 1925 to 1983

Every edition of the U.S. Geological Survey’s map of Leonore. Tap a year, or press play to watch the town change.

Leonore on the 1925 USGS mapLeonore on the 1983 USGS map1925Streator sheet · 1:62,500

U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Leonore.

People over time

Leonore, census by census

01002003001900192019401960198020002020Peak: 277

Between 110 and 277 people in every census since 1900.

13 censuses, 1900–2020.

U.S. Census Bureau decennial counts, from the census table on Leonore’s Wikipedia page.

Famous people

Famous people close to Leonore

Nobody well known was born in Leonore itself, so here are the best known from just nearby.

See all →

Questions about Leonore’s history

What year was Leonore founded?

In 1891, according to Wikipedia’s history of the town. Leonore’s post office opened in 1889, and the census of 1900 counted 277 people here.

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 Wikipedia, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), the US Post Offices dataset (Blevins & Helbock) and the USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.