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C+History
History · Blue Ash

Blue Ash’s post office opened in 1887, and 1 of its places is on the National Register

More historic than 44% of U.S. towns · #723 of 993 in Ohio. What drives it

Most of Blue Ash was built recently: 4% of its homes predate 1940 and the median home dates from 1981. 1 place in town is on the National Register, among them a historic district with 10 buildings. Below: maps from 1898 on and the census since 1960.

1887first post office
1on the National Register
4%homes built before 1940
1famous people
Quick answers

How Blue Ash began

When was Blue Ash founded?

1887

The Blue Ash post office opened in 1887, the earliest record of the town by name. Three smaller post offices, Hazlewood (1860), Brough (1882) and Blue Ash (1887), opened inside today’s city and later closed.

First census: 8,341 in 19602020 census: 13,394139 years

How historic is Blue Ash?

C+

More historic than 44% of U.S. towns, on its age, its old homes and the National Register.

What drives the grade ↓
Founding year: the first Blue Ash post office (Blevins & Helbock, CC0).The full story ↓
History grade

What drives Blue Ash’s History grade

On its age, its old homes and the National Register, Blue Ash is more historic than 44% of U.S. towns, #723 of 993 in Ohio. Its National Register listings hold the grade up; its share of homes from before 1940 pulls it down.

C+
HistoryA character grade: shown, never part of Blue Ash’s overall grade.
All U.S. towns we grade (21,289)Ahead of 44%
NewerOlder
Ohio towns of 2,500+ (993)Ahead of 27%

Ohio towns list about as much on the Register as the country (a typical Ohio town has 2.9 per 10,000 residents, the U.S. 2.4), so Blue Ash’s 7.4 sits above most of its state (70% of Ohio towns have fewer) while its 10 historic buildings outnumber those of 76% of U.S. towns.

How sure. Graded on any two of the three inputs instead, the letter would range from C− to B. The pre-1940 share (±2.1 points) is firm at this size. The founding year is the first post office, not a stated founding date.

Founding year: the first post office (other dates in Quick answers). Homes: Census ACS 2020–24. National Register: National Park Service, May 2026 list; each listing counted once (boundary changes and added documentation belong to their listing), and a historic district counts its contributing buildings. How TownRatings grades history →

What stands out about Blue Ash’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 Blue Ash’s collection

The first neighbors to add old photos shape how Blue Ash’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.

Hazlewood
1860–1930
Brough
1882–1887
Blue Ash
1887–1957
18601940today
Hamlets and corners on the map
Barwyn AcresHazelwoodKenridge
Gone or out of use
Blue Ash Post Officepost officeCincinnati-Blue Ash AirportairportHazlewood Post Officepost office
2cemeteries and burying grounds inside Blue Ash
PlainfieldSaint Anthony

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

On the map

Blue Ash on the map, 1898 to 1981

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

Blue Ash on the 1898 USGS mapBlue Ash on the 1914 USGS mapBlue Ash on the 1953 USGS mapBlue Ash on the 1961 USGS mapBlue Ash on the 1970 USGS mapBlue Ash on the 1981 USGS map1898East Cincinnati 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 Blue Ash.

The story

How Blue Ash came to be

From Wikipedia’s history of Blue Ash.

Read it all →

The area that is now Blue Ash was settled around 1791. In 1797, the first settlers built Carpenter's Run Baptist Church out of blue ash logs, giving the area its eventual name.

In the late 19th century, the Cincinnati, Lebanon and Northern Railway provided narrow-gauge commuter rail service to Blue Ash.

Text from Wikipedia, licensed CC BY-SA 4.0.

From the old history books

What they wrote about Blue Ash in 1894

Passages that mention Blue Ash, cut from the printed page as they were published.

Blue Ash derives its name from the old church and school of that name, for which it was suggested by the prevailing character of the timber in the surrounding region. The first name of the railroad station was Harper, which was conferred in honor of President Harper, of the Cincinnati, Lebanon & No…
History of Cincinnati and Hamilton County, Ohio1894 · page 452Read the page →
Read the text

Blue Ash derives its name from the old church and school of that name, for which it was suggested by the prevailing character of the timber in the surrounding region. The first name of the railroad station was Harper, which was conferred in honor of President Harper, of the Cincinnati, Lebanon & Northern railway.

Text read by machine from the scan; it may contain errors.

Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.

Timeline

Blue Ash, 1835 to 1962

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

  1. 19th century
  2. 1835BuiltBrown-Gorman Farm is built
  3. 1860Post officeThe Hazlewood post office opens
  4. 1882Post officeThe Brough post office opens
  5. 1887Post officeThe Brough post office closes
  6. 1887Post officeThe Blue Ash post office opens
  7. 1898On the mapFirst mapped by the U.S. Geological Survey
  8. 20th century
  9. 1930Post officeThe Hazlewood post office closes
  10. 1957Post officeThe Blue Ash post office closes
  11. 1962Born hereAmy Yasbeck is born here
By decade

Blue Ash, decade by decade

On the National Register

1 listing protects 10 historic buildings

The country’s official list of buildings and places worth saving.

place listed
1
National Historic Landmarks
0
none yet
historic buildings protected
10
each building in a district counts
first listed
2012
Brown-Gorman Farm
Districts

Architectural styles listings

Vernacular1

National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.

People over time

Blue Ash, census by census

02,0004,0006,0008,00010,00012,00014,0001960198020002020Peak: 13,394

Between 8,324 and 13,394 people in every census since 1960.

7 censuses, 1960–2020.

U.S. Census Bureau decennial counts, from the census table on Blue Ash’s Wikipedia page.

Stories next door

History across the town line

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

Questions about Blue Ash’s history

What year was Blue Ash founded?

The Blue Ash post office opened in 1887, the earliest record of the town by name (U.S. post office records).

How does Blue Ash rank for history?

Blue Ash is more historic than 44% of U.S. towns, #723 of 993 in Ohio. The History grade combines the town’s founding era, the share of homes built before 1940 and its National Register listings. It’s a character grade, so it isn’t part of the overall grade. How it works.

What is on the National Register in Blue Ash?

One place: the Brown-Gorman Farm (listed 2012).

How old are the homes in Blue Ash?

4% of Blue Ash’s homes were built before 1940 (Census estimate, ±2.1 points), against a typical 15% for an Ohio town; the median home was built in 1981.

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).

From Wikimedia Commons (4), the National Register of Historic Places (1), 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), the USGS Geographic Names Information System and old county and town histories (Internet Archive). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.