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History · Osage Township

20% of Osage Township’s homes were built before 1940

Below: maps from 1945 on.

0on the National Register
20%homes built before 1940

What stands out about Osage 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 Osage Township’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
Places that used to be

Lost post offices, old corners, places now gone and burying grounds

Three other post offices opened and closed inside today’s town.

Timber Hill
1869–1879
Sylvan Dale
1876–1882
Dennis
1881–today
Mortimer
1883–1907
18601940today
Hamlets and corners on the map
DennisGrove
Gone or out of use
Carpenter SchoolschoolMaple Grove SchoolschoolMaple Valley SchoolschoolMortimerlocaleMount Zion ChurchchurchMount Zion SchoolschoolPleasant Hill SchoolschoolSaint Johns SchoolschoolSalem ChurchchurchSylvandale SchoolschoolTimber Hill SchoolschoolTwin Mounds Schoolschool
2cemeteries and burying grounds inside Osage Township
Harmony GrovePleasant Hill

US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).

The story so far

Osage Township, in brief

Wikipedia doesn’t have a history of Osage Township yet. The photos, dates and memories neighbors add here are how it gets written.

Osage Township is a township in Labette County, Kansas, United States. As of the 2020 census, its population was 968.

Between the 2010 and 2020 censuses its population grew from 848 to 968 (+14%).

Intro from Wikipedia. Population: U.S. Census Bureau.

Timeline

Osage Township, 1869 to 1945

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

  1. 19th century
  2. 1869Post officeThe Timber Hill post office opens
  3. 1876Post officeThe Sylvan Dale post office opens
  4. 1879Post officeThe Timber Hill post office closes
  5. 1881Post officeThe Dennis post office opens
  6. 1882Post officeThe Sylvan Dale post office closes
  7. 20th century
  8. 1945On 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.

Be the first to add onePhotograph a print flat, in daylight, no flash.
Add from your album
On the map

Osage Township on the map, 1945 to 1973

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

Osage Township on the 1945 USGS mapOsage Township on the 1973 USGS map1945Parsons 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 Osage Township.

Famous people

Famous people close to Osage Township

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

See all →
Stories next door

History across the town line

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

Questions about Osage Township’s history

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 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.