How Dellroy came to be
From Wikipedia’s history of Dellroy.
The village was established in 1849 as "Cannonsburg." It was renamed circa 1878 to Dellroy. The origin of the name "Dellroy" is disputed.
Text from Wikipedia, licensed CC BY-SA 4.0.
Each edition grades its towns against each other only.
Below: maps from 1910 on and the census since 1880.
Dellroy dates its founding to 1849 (Wikipedia’s history). The census first counted it in 1880.
Read from the archive, the National Register and the record. The page puts what stands out first.
The first neighbors to add old photos shape how Dellroy’s history is told.
Every edition of the U.S. Geological Survey’s map of Dellroy. Tap a year, or press play to watch the town change.

U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Dellroy.
From Wikipedia’s history of Dellroy.
The village was established in 1849 as "Cannonsburg." It was renamed circa 1878 to Dellroy. The origin of the name "Dellroy" is disputed.
Text from Wikipedia, licensed CC BY-SA 4.0.
Woven from the archive, old maps, post office records, the National Register and the people born here.
On the mapFirst mapped by the U.S. Geological SurveyBetween 268 and 664 people in every census since 1880.
15 censuses, 1880–2020.
U.S. Census Bureau decennial counts, from the census table on Dellroy’s Wikipedia page.
Writers, athletes, leaders and more, ranked by how widely they’re known.
Dellroy’s post office has been open since 1878. Another post office, Leavitt, opened and closed inside today’s town.
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
In 1849, according to Wikipedia’s history of the town. Dellroy’s post office opened in 1833, and the census of 1880 counted 664 people here.
What the archives can’t tell you, neighbors can.
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 (9), Wikipedia, Wikidata and Wikipedia for famous people, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), 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.


1910Carrollton sheet · 1:62,500