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History · Poy Sippi

Poy Sippi’s post office opened in 1851, and 24% of its homes were built before 1940

Below: maps from 1961 on.

1851first post office
0on the National Register
24%homes built before 1940
Add an old photoShare a memory
Quick answers

How Poy Sippi began

When was Poy Sippi founded?

1851

The Poy Sippi post office opened in 1851, the earliest record of the town by name. Another post office, Borth (1892), opened inside today’s town and later closed.

2020 census: 919175 years
Founding year: the first Poy Sippi post office (Blevins & Helbock, CC0).The full story ↓

What stands out about Poy Sippi’s past

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

A history waiting to be writtenNo old photos of Poy Sippi are in the public archives yet. The rest are in attics and albums.
★ What stands out · Help out

Start Poy Sippi’s collection

The first neighbors to add old photos shape how Poy Sippi’s history is told.

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
Share a family photoSign in to add one+10
The story

How Poy Sippi came to be

From Wikipedia’s history of Poy Sippi.

Read it all →

The Pine River was called "Poygan Sippi" by Potawatomi Indians because it flowed into Lake Poygan. The name was contracted to Poy Sippi. It is said to be a corruption of an Indian word meaning "Sioux river." In the related Menominee language, it is called Pawāhnān-Sīpiah, "Wild Rice Gathering River", referring to the importance of wild rice as a staple crop to the local people.

Text from Wikipedia, licensed CC BY-SA 4.0.

Timeline

Poy Sippi, 1851 to 1961

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

  1. 19th century
  2. 1851Post officeThe Poy Sippi post office opens
  3. 1892Post officeThe Borth post office opens
  4. 20th century
  5. 1908Post officeThe Borth post office closes
  6. 1961On the mapFirst mapped by the U.S. Geological Survey
By decade

Poy Sippi, decade by decade

Today3 recent
Poy Sippi Wisconsin Downtown Looking South WI492015Poy Sippi Wisconsin Downtown Looking South WI49PoysippiWisconsinSignWIS492010PoysippiWisconsinSignWIS49PoysippiWisconsinDowntownWIS492010PoysippiWisconsinDowntownWIS49
On the map

Poy Sippi on the map in 1961

The U.S. Geological Survey’s map of Poy Sippi.

Poy Sippi on the 1961 USGS map1961Poy Sippi 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 Poy Sippi.

Places that used to be

Lost post offices, old corners and burying grounds

Poy Sippi’s post office has been open since 1851. Another post office, Borth, opened and closed inside today’s town.

Poy Sippi
1851–today
Borth
1892–1908
18501940today
Hamlets and corners on the map
BorthFountain Valley
1cemetery inside Poy Sippi
Poy Sippi

US Post Offices dataset (Blevins & Helbock, CC0). 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.

Leon1 historic placeA−BloomfieldIts storyC+AuroraIts storyB−PoyganIts storyCSaxevilleIts storyC+

Questions about Poy Sippi’s history

What year was Poy Sippi founded?

The Poy Sippi post office opened in 1851, 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 →
Start a conversation
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 (3), Wikipedia, U.S. Geological Survey historical maps, 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.