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Welcome to Thornbury ...

Thornbury is located in Chester County<1>.

While we don't have a date for the founding of Thornbury, you might consider that their post office opened in 1831.

Thornbury is 350 feet [107 m] above sea level.<2>.

Time Zone: Thornbury lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time

Area Codes for Thornbury: 610, 484 & 835<3>

Communities Also Named Thornbury ...

Using our Gazetteer, we found another community named Thornbury - it's located in Ontario.

For more information, see our Tidbits & Trivia Page for Thornbury.

Communities near Thornbury ...

We have created a list of 10 communities that are near Thornbury.

  • Wilmington
    (12 miles [19.3 km] to the south)
    • Wilmington is located in New Castle County (DE)
    • Jump to our Gazetteer entry for Wilmington
    • Population from the 2020 Census: 70,376 people
    • Jump to TripAdvisor's Tourism page for Wilmington <4>
  • Norristown
    (18 miles [29 km] to the northeast)
  • Newark
    (18 miles [29 km] to the southwest)
    • Newark is located in New Castle County (DE)
    • Jump to our Gazetteer entry for Newark
    • Population from the 2020 Census: 33,849 people
    • Jump to TripAdvisor's Tourism page for Newark <4>
  • Chester
    (12 miles [19.3 km] to the east)
  • West Chester
    (3 miles [4.8 km] to the northwest)
  • Phoenixville
    (15 miles [24.1 km] to the north)
  • Coatesville
    (14 miles [22.5 km] to the west)
  • Yeadon
    (16 miles [25.7 km] to the east)
    • Yeadon is located in Delaware County
    • Jump to our Gazetteer entry for Yeadon
    • Population from the 2020 Census: 11,489 people
    • Jump to TripAdvisor's Tourism page for Yeadon <4>
  • Darby
    (16 miles [25.7 km] to the east)
    • Darby is located in Delaware County
    • Jump to our Gazetteer entry for Darby
    • Population from the 2020 Census: 10,704 people
    • Jump to TripAdvisor's Tourism page for Darby <4>
  • Lansdowne
    (15 miles [24.1 km] to the east)

To Help With Your Genealogy Research ...

We have a couple of sections for those tracing their genealogy.

We created a list of cemeteries that are in the area around Thornbury. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Thornbury.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Thornbury. Our list includes information such as whether the 1895 community had a post office or railroad service. See our List of 1890's Communities around Thornbury.

We also have a detailed list of newspapers that have been published in the area around Thornbury. See our Newspapers Page for Thornbury.

TripAdvisor Tourism Pages for Thornbury ...

Looking for more information about Thornbury? A wonderful source is the TripAdvisor website. We always start with the TripAdvisor Tourism page, where you can read an overview with links that will help you find lodging, restaurants and attractions.

While we are unaware of a Tourism page that is specific to Thornbury, there are neighboring communities that do have Tourism pages. A map of those communities can be found with our TripAdvisor Page for Thornbury.

Adding Thornbury to Our Gazetteer ...

We originally found mention of Thornbury in the GNIS. For more information, see the Referenced GNIS Codes section on our Miscellaneous Page.

From our notes, the earliest published mention we've found (so far) for Thornbury was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<5>

From that list, the Thornbury post office opened in 1831. The Thornbury post office closed in 1900.

For more details, see References and Mentions for Thornbury.

Footnotes ...

<1>If you're interested in how the shape of Pennsylvania's counties, including Chester, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>The elevation is an estimate for the area around Thornbury - it will be higher in some places and lower in others.
<3>When there's a risk of an area code running out of phone numbers, an 'Overlay Area Code' is created that has the same geographic boundaries as the existing area code. In this case, the 610 code has been Overlayed with one of the following codes: 484 or 835. New phone numbers in the Thornbury area will be assigned with one of these codes: 610, 484 or 835. As a result, placing a call in the Thornbury area will require 10-digit dialing (where you enter both the area code and then the phone number).
<4>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<5>A copy of the Blevins & Helbock Post Office list with background information can be found at:

      https://cblevins.github.io/us-post-offices/data-biography/