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A−History
History · Grand Isle

Grand Isle’s post office opened in 1810, and 26% of its homes were built before 1940

More historic than 84% of U.S. towns. What drives it

Its Register listings are the Hyde Log Cabin, the Gordon-Center House and the Congregational Church-Grand Isle. Below: 2 old photos and papers, maps from 1894 on, and the census since 1800.

1810first post office
3on the National Register
26%homes built before 1940
2old photos & papers
1famous people
From Grand Isle’s archive · credits on each photo
Quick answers

How Grand Isle began

When was Grand Isle founded?

1810

The Grand Isle post office opened in 1810, the earliest record of the town by name. Two smaller post offices, Pearl (1883) and Adams (1886), opened inside today’s town and later closed.

First census: 678 in 18002020 census: 2,086216 years

How historic is Grand Isle?

A−

More historic than 84% of U.S. towns, on its age, its old homes and the National Register.

What drives the grade ↓
Founding year: the first Grand Isle post office (Blevins & Helbock, CC0).The full story ↓
History grade

What drives Grand Isle’s History grade

On its age, its old homes and the National Register, Grand Isle is more historic than 84% of U.S. towns. All 3 inputs are above most U.S. towns; its share of homes from before 1940 ranks highest and its National Register listings lowest.

A−
HistoryA character grade: shown, never part of Grand Isle’s overall grade.
All U.S. towns we grade (21,289)Ahead of 84%
NewerOlder

Vermont towns list more on the Register than most of the country (a typical Vermont town has 147 per 10,000 residents, the U.S. 2.4), so Grand Isle’s 36.5 sits near the middle of its state (44% of Vermont towns have fewer) while its 8 historic buildings outnumber those of 74% of U.S. towns.

How sure. Graded on any two of the three inputs instead, the letter would range from B+ to A−. The pre-1940 share is a Census survey estimate (±5.5 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 Grand Isle’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 Grand Isle’s collection

The first neighbors to add old photos shape how Grand Isle’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

Grand Isle on the map, 1894 to 1966

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

Grand Isle on the 1894 USGS mapGrand Isle on the 1906 USGS mapGrand Isle on the 1939 USGS mapGrand Isle on the 1941 USGS mapGrand Isle on the 1956 USGS mapGrand Isle on the 1966 USGS map1894Plattsburg 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 Grand Isle.

Places that used to be

Lost post offices, old corners and burying grounds

Grand Isle’s post office has been open since 1810. Two other post offices opened and closed inside today’s town.

Grand Isle
1810–today
Pearl
1883–1905
Adams
1886–1902
18101920today
Hamlets and corners on the map
Adams LandingGordon LandingGrand Isle StationPearl
3cemeteries and burying grounds inside Grand Isle
Grand IsleHoagQuaker and Macomber

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

The story

How Grand Isle came to be

From Wikipedia’s history of Grand Isle.

Read it all →

The town was originally named "Middle Hero" when it was subdivided from the town of "South Hero" in November 1798. In November 1810, the town was renamed "Grand Isle".

Text from Wikipedia, licensed CC BY-SA 4.0.

From the old history books

What they wrote about Grand Isle, 1891–1907

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

But at this time and down to the year 1802 the town of South Hero, and as well that part of the island that is the town of Grand Isle, formed a part of Chittenden county, and was not entirely separated therefrom until the full organization of Grand Isle county in the year 1805. In the measures look…
History of Franklin and Grand Isle counties, Vermont1891 · page 674Read the page →
Read the text

But at this time and down to the year 1802 the town of South Hero, and as well that part of the island that is the town of Grand Isle, formed a part of Chittenden county, and was not entirely separated therefrom until the full organization of Grand Isle county in the year 1805. In the measures looking to the erection of the island towns into a separate county the people of South Hero took an active part, and were urged to press.their case with increased vigor and zeal on account of the fact that all the island region except this town and Grand Isle, or Middle

Text read by machine from the scan; it may contain errors.
Over in the western part of the town of Grand Isle, in the year 1827, the Friends' meeting-house was built. The people who were of this denomination or sect were among the earliest settlers in the town, and numbered some of the most thrifty families of the island. About the year 1800 their first me…
History of Franklin and Grand Isle counties, Vermont1891 · page 652Read the page →
Read the text

Over in the western part of the town of Grand Isle, in the year 1827, the Friends' meeting-house was built. The people who were of this denomination or sect were among the earliest settlers in the town, and numbered some of the most thrifty families of the island. About the year 1800 their first meeting-house was built, of logs, which gave way to the more substantial house of brick erected in 1827.

Text read by machine from the scan; it may contain errors.
Mr. Robinson represented the town of Grand Isle in 1884 at the age of 33, and has served as lister and selectman both at Grand Isle and South Hero, and is now chairman of the board of the latter town.
Successful Vermonters1907 · page 419Read the page →
Read the text

Mr. Robinson represented the town of Grand Isle in 1884 at the age of 33, and has served as lister and selectman both at Grand Isle and South Hero, and is now chairman of the board of the latter town.

Text read by machine from the scan; it may contain errors.
South Hero lies at the southern end of the county of Grand Isle, and is now bounded on the north bv the town of Grand Isle, but on limestone rock that frequently crops out above the surface. The farms produce splendid crops of hay and grain, and clover here at-
Successful Vermonters1907 · page 416Read the page →
Read the text

South Hero lies at the southern end of the county of Grand Isle, and is now bounded on the north bv the town of Grand Isle, but on limestone rock that frequently crops out above the surface. The farms produce splendid crops of hay and grain, and clover here at-

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

Grand Isle, 1810 to 1905

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

  1. 19th century
  2. 1810Post officeThe Grand Isle post office opens
  3. 1820Born hereHorace A. Tenney is born here
  4. 1842In the archiveMap of
  5. 1883Post officeThe Pearl post office opens
  6. 1886Post officeThe Adams post office opens
  7. 1894On the mapFirst mapped by the U.S. Geological Survey
  8. 20th century
  9. 1902Post officeThe Adams post office closes
  10. 1905Post officeThe Pearl post office closes
By decade

Grand Isle, decade by decade

One decade in the archive so far: the 1840s. Scroll each row; tap a photo for its story.

Then & now

Stand where they stood

No then-and-now pairs yet. Take a photo from the same spot as an old one and they appear here side by side.

Lake House Hotel, East Shore Road
Retake this viewLake House Hotel, East Shore Road

Find the spot, match the angle, and add your photo. It becomes the first then-and-now pair on Grand Isle’s page.

Retake this view · +15
On the National Register

3 historic places in Grand Isle

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

places listed
3
National Historic Landmarks
0
none yet
historic buildings protected
8
each building in a district counts
first listed
1971
Hyde Log Cabin
Buildings

Architectural styles listings

Federal1
Greek Revival1
Gothic Revival1

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

People over time

Grand Isle, census by census

05001,0001,5002,000180018501900195020002,086

Grew from 678 people in 1800 to 2,086 in 2020, 3 times over.

23 censuses, 1800–2020.

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

Stories next door

History across the town line

Each neighbor’s History grade, on the same three inputs.

Questions about Grand Isle’s history

What year was Grand Isle founded?

The Grand Isle post office opened in 1810, the earliest record of the town by name (U.S. post office records).

How does Grand Isle rank for history?

Grand Isle is more historic than 84% 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 Grand Isle?

Three places: the Hyde Log Cabin (listed 1971), the Gordon-Center House (1986) and the Congregational Church-Grand Isle (2001).

How old are the homes in Grand Isle?

26% of Grand Isle’s homes were built before 1940 (Census estimate, ±5.5 points), against a typical 22% for a Vermont town; the median home was built in 1983.

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 (9), the Library of Congress (5), Wikidata (3), the National Register of Historic Places (3), 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 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.