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A Gazetteer for the United States and Canada
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Welcome to O'Leary ...

O'Leary is located in Plymouth County<1>.

While we don't have a date for the founding of O'Leary, you might consider that their post office opened in 1889.

O'Leary is 1,430 feet [436 m] above sea level.<2>.

Time Zone: O'Leary lies in the Central Time Zone (CST/CDT) and observes daylight saving time

Area Code for O'Leary: 712

Communities Also Named O'Leary ...

Using our Gazetteer, we found that there are 2 communities that are also named O'Leary - they are located in Georgia and Prince Edward Island.

For more information, see our Tidbits & Trivia Page for O'Leary.

Communities near O'Leary ...

We have created a list of 10 communities that are near O'Leary.

  • Le Mars
    (7 miles [11.3 km] to the northwest)
  • Moville
    (14 miles [22.5 km] to the south)
  • Remsen
    (8 miles [12.9 km] to the northeast)
  • Kingsley
    (9 miles [14.5 km] to the southeast)
  • Alton
    (19 miles [30.6 km] to the north)
  • Marcus
    (15 miles [24.1 km] to the northeast)
  • Lawton
    (17 miles [27.4 km] to the south)
    • Lawton is located in Woodbury County
    • Jump to our Gazetteer entry for Lawton
    • Population from the 2020 Census: 979 people
  • Hinton
    (13 miles [20.9 km] to the southwest)
  • Merrill
    (9 miles [14.5 km] to the west)
  • Pierson
    (14 miles [22.5 km] to the southeast)
    • Pierson is located in Woodbury County
    • Jump to our Gazetteer entry for Pierson
    • Population from the 2020 Census: 349 people

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

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

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

TripAdvisor Tourism Pages for O'Leary ...

Looking for more information about O'Leary? 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 O'Leary, there are neighboring communities that do have Tourism pages. A map of those communities can be found with our TripAdvisor Page for O'Leary.

Adding O'Leary to Our Gazetteer ...

We originally found mention of O'Leary in both the FIPS-55 and the GNIS. For more information, see the FIPS and GNIS Codes sections on our Miscellaneous Page.

From our notes, the earliest published mention we've found (so far) for O'Leary was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<4>

From that list, the O'Leary post office opened in 1889. The O'Leary post office closed in 1902.

For more details, see References and Mentions for O'Leary.

Footnotes ...

<1>If you're interested in how the shape of Iowa's counties, including Plymouth, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>The elevation is an estimate for the area around O'Leary - it will be higher in some places and lower in others.
<3>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<4>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/