Welcome to Dennis ...

So far, we found very little information about Dennis. The little that we've found leads us believe that the community is historic.<1>

We've added Dennis to our Gazetteer with the hope that we can develop more information. If you can help us with Dennis, please Contact Us.

---

Dennis would have been located within present day Frederick County<2>.

The location of Dennis has been provided by the Geographic Names Information System (ie- the GNIS).<3>

While we don't have a date for the founding of Dennis, you might get a feel for it by knowing that during our research the earliest mention that we found (so far) was on a map dated 1911.

While the community is gone, the present day location for Dennis is 320 feet [98 m] above sea level.<4>.

Time Zone: The area where Dennis was located is in the Eastern Time Zone (EST/EDT) and observes daylight saving time

Dennis would have been located in the (301) and (240)<5> area codes.

Websites for Dennis ...

Chamber of Commerce:   www.frederickchamber.org/

Although we don't have any websites that are specific to Dennis, the following might be of interest:

Communities Also Named Dennis ...

Using our Gazetteer, we found that there are 24 communities that are also named Dennis - they are located in Georgia (2), Iowa, Kansas, Kentucky (2), Massachusetts, Michigan (3), Mississippi, Montana, New Brunswick, New Jersey, North Carolina (2), Ohio, Oklahoma, Oregon, South Dakota (2), Texas, Utah and West Virginia.

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

Communities near Dennis ...

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

• Frederick
  (5 miles [8 km] to the northwest)
  • Jump to our Gazetteer entry for Frederick
  • Frederick is located in Frederick County
  • Population from the 2020 Census: 73,308 people
  • Former names for Frederick:
  • Frederick City
  • Frederick Town
  • Jump to TripAdvisor's Tourism page for Frederick <6>
• Gaithersburg
  (17 miles [27.4 km] to the southeast)
  • Jump to our Gazetteer entry for Gaithersburg
  • Gaithersburg is located in Montgomery County
  • Population from the 2020 Census: 67,741 people
  • Jump to TripAdvisor's Tourism page for Gaithersburg <6>
• Mount Airy
  (9 miles [14.5 km] to the east)
  • Jump to our Gazetteer entry for Mount Airy
  • Mount Airy is located in Carroll County
  • Population from the 2020 Census: 9,502 people
  • Jump to TripAdvisor's Tourism page for Mount Airy <6>
• Thurmont
  (18 miles [29 km] to the north)
  • Jump to our Gazetteer entry for Thurmont
  • Thurmont is located in Frederick County
  • Population from the 2020 Census: 7,070 people
  • Jump to TripAdvisor's Tourism page for Thurmont <6>
• Brunswick
  (16 miles [25.7 km] to the west)
  • Jump to our Gazetteer entry for Brunswick
  • Brunswick is located in Frederick County
  • Population from the 2020 Census: 6,652 people
  • Jump to TripAdvisor's Tourism page for Brunswick <6>
• Walkersville
  (8 miles [12.9 km] to the north)
  • Note: The GPS coordinates that we are using for Walkersville have been provided by the GNIS.<3> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Walkersville
  • Walkersville is located in Frederick County
  • Population from the 2020 Census: 6,574 people
  • Jump to TripAdvisor's Tourism page for Walkersville <6>
• Poolesville
  (16 miles [25.7 km] to the south)
  • Note: The GPS coordinates that we are using for Poolesville have been provided by the GNIS.<3> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Poolesville
  • Poolesville is located in Montgomery County
  • Population from the 2020 Census: 5,249 people
  • Jump to TripAdvisor's Tourism page for Poolesville <6>
• Middletown
  (11 miles [17.7 km] to the northwest)
  • Note: The GPS coordinates that we are using for Middletown have been provided by the GNIS.<3> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Middletown
  • Middletown is located in Frederick County
  • Population from the 2020 Census: 4,910 people
  • Jump to TripAdvisor's Tourism page for Middletown <6>
• Sykesville
  (19 miles [30.6 km] to the east)
  • Note: The GPS coordinates that we are using for Sykesville have been provided by the GNIS.<3> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Sykesville
  • Sykesville is located in Carroll County
  • Population from the 2020 Census: 3,973 people
  • Jump to TripAdvisor's Tourism page for Sykesville <6>
• Boonsboro
  (19 miles [30.6 km] to the northwest)
  • Note: The GPS coordinates that we are using for Boonsboro have been provided by the GNIS.<3> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Boonsboro
  • Boonsboro is located in Washington County
  • Population from the 2020 Census: 3,655 people
  • Jump to TripAdvisor's Tourism page for Boonsboro <6>

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 Dennis. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Dennis.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Dennis. 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 Dennis.

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

Adding Dennis to Our Gazetteer ...

We originally found mention of Dennis 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 for Dennis was on a map titled Map of Maryland (from Rand McNally, 1911).

For more details, see References and Mentions for Dennis.

Off-the-Road Links ...

The official website for Frederick County: www.co.frederick.md.us/

The official website for State of Maryland: www.maryland.gov/