More historic than 28% of U.S. towns · #262 of 642 in Texas. What drives it
Most of Ovilla was built recently: 0.0% of its homes predate 1940 and the median home dates from 1996. Below: maps from 1959 on and the census since 1970.
Founding year: Wikidata. First post office: 1871.The full story ↓
History grade
What drives Ovilla’s History grade
On its age, its old homes and the National Register, Ovilla is more historic than 28% of U.S. towns, #262 of 642 in Texas. Its age holds the grade up; its share of homes from before 1940 pulls it down.
C
HistoryA character grade: shown, never part of Ovilla’s overall grade.
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 Ovilla’s 0.0 sits below most of its state (34% of Texas towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.
NoteThe founding year comes from Wikidata alone; no second source gives 1844.
How sure. Graded on any two of the three inputs instead, the letter would range from D to B−. The pre-1940 share (±1.0 points) is firm at this size.
Founding year: Wikidata (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 Ovilla’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Ovilla, on upper Red Oak Creek in northern Ellis County, is the oldest town in the county. It began in 1844 as a fortified settlement known as McNamara's to repel Indian incursions. James McNamara arrived in 1843 with his new wife, Joanna (Hale) McNamara as the first Peters Colony settlers of this area for which they received 640 acres that made up the beginning of the locale that was later to be called 'Shiloh' for a nearby creek and a newly formed church. The McNamaras arrived with other Peters colonists: the Billingsleys; Mrs. McNamara's family, the McCommases; and James Sterrett (Mrs. McNamara's brother-in-law, who established Sterrett, Texas). The marriage of James Sterrett to Clarinda (Hale) Squires of 7 July 1844 was the first marriage to be performed within the future boundaries of Ellis County, which was still within old Robertson County at the time. James McNamara served as…
In 1844, according to Wikidata. Ovilla’s post office opened in 1871, and the census of 1970 counted 339 people here.
How does Ovilla rank for history?
Ovilla is more historic than 28% of U.S. towns, #262 of 642 in Texas. 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.
How old are the homes in Ovilla?
0.0% of Ovilla’s homes were built before 1940 (Census estimate, ±1.0 points), against a typical 1.6% for a Texas town; the median home was built in 1996.
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 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.