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History · Ayr

Ayr’s post office opened in 1878, and 50% of its homes were built before 1940

Below: maps from 1898 on and the census since 1880.

1878first post office
0on the National Register
50%homes built before 1940
Quick answers

How Ayr began, and where its name came from

When was Ayr founded?

1878

The Ayr post office opened in 1878, the earliest record of the town by name. Another post office, Gilson (1871), opened inside today’s town and later closed.

First census: 128 in 18802020 census: 83148 years

How did Ayr get its name?

Ayr was named for Doctor Ayr, a railroad official from Iowa.

Founding year: the first Ayr post office (Blevins & Helbock, CC0). Name: Wikipedia, licensed CC BY-SA 4.0.The full story ↓

What stands out about Ayr’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 Ayr’s collection

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

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

Ayr on the map, 1898 to 1985

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

Ayr on the 1898 USGS mapAyr on the 1969 USGS mapAyr on the 1985 USGS map1898Superior sheet · 1:125,000

U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Ayr.

People over time

Ayr, census by census

010018801900192019401960198020002020Peak: 177

Peaked at 177 in 1930; 83 people lived here in 2020.

15 censuses, 1880–2020.

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

The story

How Ayr came to be

From Wikipedia’s history of Ayr.

Read it all →

Ayr got its start in the year 1878, following construction of the railroad through the territory. It was named for Doctor Ayr, a railroad official from Iowa. Ayr was incorporated as a village in 1883.

Text from Wikipedia, licensed CC BY-SA 4.0.

Timeline

Ayr, 1871 to 1930

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

  1. 19th century
  2. 1871Post officeThe Gilson post office opens
  3. 1878Post officeThe Gilson post office closes
  4. 1878Post officeThe Ayr post office opens
  5. 1898On the mapFirst mapped by the U.S. Geological Survey
  6. 20th century
  7. 1930CensusPopulation peaks at 177
By decade

Ayr, decade by decade

Places that used to be

Lost post offices

Ayr’s post office has been open since 1878. Another post office, Gilson, opened and closed inside today’s town.

Gilson
1871–1878
Ayr
1878–today
18701950today

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

Questions about Ayr’s history

What year was Ayr founded?

The Ayr post office opened in 1878, the earliest record of the town by name (U.S. post office records).

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 Wikimedia Commons (6), Wikipedia, 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.