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C+History
History · Trinity

Trinity’s post office opened in 1872, and 1 of its places is on the National Register

More historic than 44% of U.S. towns. What drives it

Most of Trinity was built recently: 7% of its homes predate 1940 and the median home dates from 1984. Its Register listing is the Red Schoolhouse, Old.

1872first post office
1on the National Register
7%homes built before 1940
4famous people
Add an old photoShare a memory
Quick answers

How Trinity began

When was Trinity founded?

1872

The Trinity post office opened in 1872, the earliest record of the town by name.

2020 census: 2,343154 years

How historic is Trinity?

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 Trinity post office (Blevins & Helbock, CC0).The full story ↓
History grade

What drives Trinity’s History grade

On its age, its old homes and the National Register, Trinity is more historic than 44% of U.S. towns. 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 Trinity’s overall grade.
Founding era1872, from the first post office: founded 1850–1899, an older era than 37% of U.S. townsC+Homes built before 19406.6% of homes (±5.1) · typical TX town 1.6% · U.S. 8.4%C+National Register1 listing, 4.4 per 10,000 residents · typical TX town 0.0 · U.S. 2.4B+
All U.S. towns we grade (21,289)Ahead of 44%
NewerOlder

Few Texas towns list much on the Register (a typical Texas town has 0.0 per 10,000 residents, the U.S. 2.4), so Trinity’s 4.4 sits above most of its state (80% of Texas towns have fewer) while its 1 listings outnumber those of 51% 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 is a Census survey estimate (±5.1 points). 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 Trinity’s past

Read from the archive, the National Register and the record. The page puts what stands out first.

A history waiting to be writtenNo old photos of Trinity are in the public archives yet. The rest are in attics and albums.
★ What stands out · Help out

Start Trinity’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
Share a family photoSign in to add one+10
The story

How Trinity came to be

From Wikipedia’s history of Trinity.

Read it all →

Trinity was founded in 1872 (possibly earlier as there is an 1870 Census for Trinity, Texas taken on 19 July, 1870) on land purchased from the New York and Texas Land Company. The town was a railroad station on the Houston and Great Northern Railroad.

The town was originally named Trinity Station after the Trinity River. The name of the town was later changed to Trinity City, then to Trinity. The town was incorporated in 1910.

ChaptersCivilian Conservation CorpsTexas Long Leaf Lumber CompanyHardin-Sublet gunfight

Text from Wikipedia, licensed CC BY-SA 4.0.

Timeline

Trinity, 1872 to 1973

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

  1. 19th century
  2. 1872Post officeThe Trinity post office opens
  3. 20th century
  4. 1915Born hereWilliam Goyen is born here
  5. 1930Born hereOllie Matson is born here
  6. 1933Born hereCharlie Wilson is born here
  7. 1973Born hereRodney Thomas is born here
By decade

Trinity, decade by decade

Today6 recent
Trinity Cleaners Atlas Cash Pawn Trinity Equipment2024Trinity Cleaners Atlas Cash Pawn Trinity EquipmentMapBrookshire Brothers - Grocery Store Supermarket in Trinity, Texa2019Brookshire Brothers - Grocery Store Supermarket in Tr…Trinity Texas War Memorial2017Trinity Texas War MemorialTrinity Texas Volunteer Fire Department2017Trinity Texas Volunteer Fire DepartmentTexas Long Leaf Lumber Company2017Texas Long Leaf Lumber CompanyLanding Subdivison2012Landing Subdivison
On the National Register

1 historic place in Trinity

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

place listed
1
National Historic Landmarks
0
none yet
historic buildings protected
1
each building in a district counts
first listed
2005
Red Schoolhouse, Old
Red Schoolhouse, Old
Buildings

Architectural styles listings

Prairie School1
Red Schoolhouse, OldPrairie School

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

Famous people

4 famous people were born in Trinity

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

See all →
Charlie WilsonAmerican politician · b. 1933
Ollie MatsonAmerican football player and sprinter · b. 1930
W
William GoyenAmerican novelist, short story writer, editor, … · b. 1915
R
Rodney ThomasPlayer of American football · b. 1973
Places that used to be

Old corners

Trinity’s post office has been open since 1872.

Hamlets and corners on the map
Mill Town

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

Questions about Trinity’s history

What year was Trinity founded?

The Trinity post office opened in 1872, the earliest record of the town by name (U.S. post office records).

How does Trinity rank for history?

Trinity is more historic than 44% of U.S. towns. 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 Trinity?

One place: the Red Schoolhouse, Old (listed 2005).

How old are the homes in Trinity?

7% of Trinity’s homes were built before 1940 (Census estimate, ±5.1 points), against a typical 1.6% for a Texas town; the median home was built in 1984.

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 (6), the National Register of Historic Places (1), Wikipedia, Wikidata and Wikipedia for famous people, 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.