Lost post offices, old corners, places now gone and burying grounds
Three other post offices opened and closed inside today’s town.
Saint Johns
1838–today
Santa Fe
1881–1954
Gutman
1884–1905
Geyer
1894–1911
18301930today
Hamlets and corners on the map
GeyerGutmanSaint JohnsSanta FeSlater
Gone or out of use
Castle SchoolschoolGeyer Post Officepost officeGutman Post Officepost officeSanta Fe Post Officepost officeSchool Number 1schoolSchool Number 4schoolSchool Number 7schoolSchool Number 8school
3cemeteries and burying grounds inside Clay Township
GeyerHelmingerMount Tabor
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
On the map
Clay Township on the map, 1906 to 1971
Every edition of the U.S. Geological Survey’s map of Clay Township. Tap a year, or press play to watch the town change.
1906Lima 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 Clay Township.
The story so far
Clay Township, in brief
Wikipedia doesn’t have a history of Clay Township yet. The photos, dates and memories neighbors add here are how it gets written.
Clay Township is one of the fourteen townships of Auglaize County, Ohio, United States. The 2020 census found 790 people in the township.
Between the 2010 and 2020 censuses its population fell from 817 to 790 (-3%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Clay Township, 1838 to 1954
Woven from the archive, old maps, post office records, the National Register and the people born here.
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 (4), 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.