Founding year: the first Mount Morris post office (Blevins & Helbock, CC0).The full story ↓
History grade
What drives Mount Morris’ History grade
On its age, its old homes and the National Register, Mount Morris is more historic than 96% of U.S. towns, #102 of 758 in New York. All 3 inputs are above most U.S. towns; its share of homes from before 1940 ranks highest and its age lowest.
A+
HistoryA character grade: shown, never part of Mount Morris’ overall grade.
New York towns list more on the Register than most of the country (a typical New York town has 12.3 per 10,000 residents, the U.S. 2.4), so Mount Morris’ 216 sits above most of its state (83% of New York towns have fewer) while its 68 historic buildings outnumber those of 87% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from A to A+. The pre-1940 share is a Census survey estimate (±9.4 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 Mount Morris’ past
Read from the archive, the National Register and the record. The page puts what stands out first.
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.
The region was first settled by Europeans circa 1784. It was first known as "Allens Hill", then as "Richmond Hill". The town was formed from the town of Leicester in 1818. The former Genesee Valley Canal passed through the town.
In 1952 Mount Morris Dam was finished on the Genesee River for flood control.
Passages that mention Mount Morris, cut from the printed page as they were published.
History of Livingston County, New York, from its earliest traditions to the present1905Read the page →
Read the text
Mount Morris Board of Education, and twelve successive years as President of the Livingston County Historical Society, and was at the time of his death President of the Mills VVaterworks Company, and Railroad Commissioner of the town of Mount Morris. The system of waterworks, which has added more than any other enterprise to the welfare of the village, was constructed after plans submitted to the village trustees and the citizens of Mount Morris by Dr.
Text read by machine from the scan; it may contain errors.
History of Livingston County, New York, from its earliest traditions to the present1905 · page 139Read the page →
Read the text
river at this point before the legislature. The river being navigable for small boats, some opposition was brought to bear upon the project; and he was forced to appear before the General Assembly in support of the measure, which was passed. Thus a valuable water-power was secured to Mount Morris, and was the immediate cause of new growth and prosperity to the town. General Mills was the founder of the village of Mount Morris, and was as patriotic as he was public spirited. On the breaking out of the War of 1812 he organized the first militia company in Livingston county, and from the command of that com-
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
Mount Morris, 1850 to 1905
Woven from the archive, old maps, post office records, the National Register and the people born here.
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
The Mount Morris post office opened in 1818, the earliest record of the town by name (U.S. post office records).
How does Mount Morris rank for history?
Mount Morris is more historic than 96% of U.S. towns, #102 of 758 in New York. 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 Mount Morris?
45% of Mount Morris’ homes were built before 1940 (Census estimate, ±9.4 points), against a typical 27% for a New York town; the median home was built in 1946.
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), Wikipedia, Wikidata and Wikipedia for famous people, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), 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.