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History · Upper Mahanoy Township

50% of Upper Mahanoy Township’s homes were built before 1940

Below: maps from 1892 on.

0on the National Register
50%homes built before 1940
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Photo: Jakec · CC BY-SA 4.0

What stands out about Upper Mahanoy Township’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 Upper Mahanoy Township are in the public archives yet. The rest are in attics and albums.On the map since 18925 editions of the USGS map, 1892 to 1974. Watch Upper Mahanoy Township change.Old housesHalf of Upper Mahanoy Township’s homes were built before 1941.
★ What stands out · Help out

Start Upper Mahanoy Township’s collection

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

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

Upper Mahanoy Township on the map, 1892 to 1974

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

Upper Mahanoy Township on the 1892 USGS mapUpper Mahanoy Township on the 1947 USGS mapUpper Mahanoy Township on the 1955 USGS mapUpper Mahanoy Township on the 1969 USGS mapUpper Mahanoy Township on the 1974 USGS map1892Lykens 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 Upper Mahanoy Township.

The story so far

Upper Mahanoy Township, in brief

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

Upper Mahanoy Township is a township that is located in Northumberland County, Pennsylvania, United States. The population at the time of the 2010 Census was 796, an increase over the figure of 599 that was documented in 2000.

Between the 2010 and 2020 censuses its population fell from 796 to 648 (-19%).

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

Timeline

Upper Mahanoy Township, 1844 to 1910

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

  1. 19th century
  2. 1844Post officeThe Line Mountain post office opens
  3. 1872Post officeThe Leck Kill post office opens
  4. 1892On the mapFirst mapped by the U.S. Geological Survey
  5. 20th century
  6. 1910Post officeThe Line Mountain post office closes
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.
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Famous people

Famous people close to Upper Mahanoy Township

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

See all →
Les BrownAmerican bandleader · b. 1912
Stan CoveleskiAmerican Major League Baseball pitcher during t… · b. 1889
Arthur Byron CobleAmerican mathematician · b. 1878
C
Claude BeckAmerican cardiac surgeon and professor of cardi… · b. 1894
Jake DaubertMajor League Baseball first baseman · b. 1884
Edward CooperAmerican lawyer and Republican politician from … · b. 1873
Places that used to be

Lost post offices, old corners and burying grounds

Another post office, Line Mountain, opened and closed inside today’s town.

Line Mountain
1844–1910
Leck Kill
1872–today
18401930today
Hamlets and corners on the map
Leck KillLine Mountain
1cemetery inside Upper Mahanoy Township
Jacobs

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.

Washington Township1 historic placenot graded: under 1,000 residents or part of its townWest Cameron TownshipIts storynot graded: under 1,000 residents or part of its townUpper Mahantongo TownshipIts storynot graded: under 1,000 residents or part of its townEast Cameron TownshipIts storynot graded: under 1,000 residents or part of its townJordan TownshipIts storynot graded: under 1,000 residents or part of its town

Questions about Upper Mahanoy Township’s history

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 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.