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History · Laddonia

Laddonia’s post office opened in 1871, and 24% of its homes were built before 1940

Below: maps from 1902 on and the census since 1890.

1871first post office
0on the National Register
24%homes built before 1940
2famous people
Photo: TCP04 · CC BY 4.0
Quick answers

How Laddonia began, and where its name came from

When was Laddonia founded?

1871

The Laddonia post office opened in 1871, the earliest record of the town by name.

First census: 528 in 18902020 census: 502155 years

How did Laddonia get its name?

Laddonia was named for Amos Ladd, an early settler, and his wife, Onia.

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

What stands out about Laddonia’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 Laddonia’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
People over time

Laddonia, census by census

02004006008001900192019401960198020002020Peak: 745

Peaked at 745 in 1970; 502 people lived here in 2020.

14 censuses, 1890–2020.

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

Every building

Laddonia, building by building, 1902–1917

Fire insurance maps drew every building, what it was made of and what it was used for, so insurers could price the risk of fire. Pick a year, then a sheet.

Laddonia fire insurance map, 1902, sheet 11902Sheet 1 of 1
Edition
Sheets
BrickWoodStone

Sanborn Map Company, via the Library of Congress. Editions published in 1930 or earlier, which are in the public domain.

The story

How Laddonia came to be

From Wikipedia’s history of Laddonia.

Read it all →

Laddonia was laid out in 1871. It was named for Amos Ladd, an early settler, and his wife, Onia. A post office has been in operation at Laddonia since 1871.

Text from Wikipedia, licensed CC BY-SA 4.0.

From the old history books

What they wrote about Laddonia in 1884

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

The district stands this way now, excepting the south half of it has been formed into another district, known as district No. 3, and a school established in the town of Laddonia. Lawrence A. Hudson taught the first school in district No. 1, which was a subscription school. It was taught in a cabin,…
History of Audrain County, Missouri1884 · page 158Read the page →
Read the text

The district stands this way now, excepting the south half of it has been formed into another district, known as district No. 3, and a school established in the town of Laddonia. Lawrence A. Hudson taught the first school in district No. 1, which was a subscription school. It was taught in a cabin, near the present site of Jesse Asher’s house. Hudson was a citizen of Penn¬ sylvania, and a good teacher. A man by the name of Young taught a school about the same time in district No. 2, on the farm now owned

Text read by machine from the scan; it may contain errors.
Francois county, this State, and then in the fall of 1880, took charge of the parish at Mexico. He was afterwards given charge of the parish at Columbia, and likewise holds services at Laddonia. Father Dempsey has been at Mexico for nearly four years, and sufficient time has therefore elapsed to fo…
History of Audrain County, Missouri1884 · page 730Read the page →
Read the text

Francois county, this State, and then in the fall of 1880, took charge of the parish at Mexico. He was afterwards given charge of the parish at Columbia, and likewise holds services at Laddonia. Father Dempsey has been at Mexico for nearly four years, and sufficient time has therefore elapsed to form a fairly accurate estimate of his worth and character as a man and priest.

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

Laddonia, 1871 to 1970

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

  1. 19th century
  2. 1871Post officeThe Laddonia post office opens
  3. 1878Born hereRoy Judson Snell is born here
  4. 1886Born hereLloyd Morey is born here
  5. 20th century
  6. 1942On the mapFirst mapped by the U.S. Geological Survey
  7. 1970CensusPopulation peaks at 745
By decade

Laddonia, decade by decade

On the map

Laddonia on the map, 1942 to 1973

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

Laddonia on the 1942 USGS mapLaddonia on the 1973 USGS map1942Wellsville 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 Laddonia.

Famous people

2 famous people were born in Laddonia

Writers, athletes, leaders and more, ranked by how widely they’re known.

See all →

Questions about Laddonia’s history

What year was Laddonia founded?

The Laddonia post office opened in 1871, 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 (2), 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, Sanborn fire insurance maps (Library of Congress) 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.