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Do you know of Underhill ???

This page is an orphan - a placeholder until we can discover more about Underhill. When we encounter a name that is new to us, we add it to our Gazetteer with the hope that we'll discover more information in the future. Such is the case with Underhill.<1>

We found mention of Underhill as a post office (see Mentions and References below), but can't determine its location - other than being located somewhere in Costilla County, Colorado.

It's common that the post office is named the same as the community in which it's located (although that's not always case). In this case, we can't match this post office to any of the existing communities in our gazetteer.<2>

From the Blevins / Hellbock List: The post office opened  in 1872 and closed  in 1873.

Communities Also Named Underhill ...

We found four communities that share the name Underhill.

Within Colorado, the name Underhill is unique.

Beyond Colorado, we know of another four communities that are located throughout in the United States and Canada. Of these four communities, .

  • Communities Elsewhere In North America ...
    • Manitoba
      • Please visit our profile page for the Manitoba community of Underhill.
    • New Brunswick
      • Please visit our profile page for the New Brunswick community of Underhill.
    • Vermont
      • Chittenden County
      • Please visit our profile page for the Vermont community of Underhill [Chittenden County].
    • Wisconsin
      • Oconto County
      • Please visit our profile page for the Wisconsin community of Underhill [Oconto County].

Miscellaneous References and Mentions for Underhill ...

We've created the following list to keep track of the sources that proved useful in adding to our knowledge about Underhill:

Found in a comprehensive list of Post Offices that was created by Cameron Blevins and Richard Helbock.<3>

More Orphans in  Costilla County ...

Can you help?

As we explained above, when we encounter a name that might be a community or a post office we add it to our Gazetteer. If we have little information to go with the name, we call them Orphans. Below are Orphans that we believe to be located in Costilla County.

BaldyMosca
  
CostillaPlacer
  
GarnettSan Francisco
 Stanley
HirstStreator
  
LavalleyWayside
  
McClintockZapato
Montville 

Footnotes ...

<1>This entry could have originated in error. It might be that a source had a misprint, was simply wrong or we made a transcription error while referencing it. Many of the documents we reference are from the 1800s and the early 1900s, with some easier to read than others.
<2>Part of the difficulty in identifying whether a name is a post office or a community lies with how Post Offices were named. We've prepared an article with our understanding of how post offices were named: Naming of Post Offices.
<3>A copy of their list with background information can be found at:

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









 

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This page was last modified/updated: 28 Apr 2025