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History · Williamsville

Williamsville’s post office opened in 1873, and 19% of its homes were built before 1940

1873first post office
0on the National Register
19%homes built before 1940
1famous people
Quick answers

How Williamsville began

When was Williamsville founded?

1873

The Williamsville post office opened in 1873, the earliest record of the town by name.

2020 census: 279153 years
Founding year: the first Williamsville post office (Blevins & Helbock, CC0).The full story ↓

What stands out about Williamsville’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 Williamsville’s collection

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

From Wikipedia’s history of Williamsville.

Read it all →

Williamsville was platted in 1871 when the railroad was extended to that point. A post office called williamsville has been in operation since 1873. The community's name is most likely derived from that of William Williams, the original owner of the town site.

Text from Wikipedia, licensed CC BY-SA 4.0.

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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Questions about Williamsville’s history

What year was Williamsville founded?

The Williamsville post office opened in 1873, the earliest record of the town by name (U.S. post office records).

Memory lane

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

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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, Wikidata and Wikipedia for famous people, 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.