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In memory of John Underhill, my Maternal 5th Great-Grandfather on the DECKER branch.


  • Underhill Genealogy Vol. 6, p. 1539.
  • History of Northeastern Pennsylvania, by Beers, 1900, p. 272.
  • 1820 Census Platekill, Ulster, New York
  • 1830 Census Lisle, Broome, New York
  • 1835 New York State Census Chenango, Broome, New York
  • 1840 Census Dimock, Susquehanna, Pennsylvania
  • 1850 Census Harmony, Susquehanna, Pennsylvania
8 Branches of my tree framed.jpg



Genealogy is my hobby and the information provided here is a work in progress. I have loads of information to add and new finds are continually being discovered. If you have any corrections, additions, or comments to contribute, please use the comment box below. Visit the Latest Updates page to see when this Ancestor Profile page is updated. 

John Underhill

Maps & Research Links:



1780 (est.)

New York


1810 or earlier





Susquehanna County, PA


[ View memorial on Findagrave ]


John Underhill was born abt. 1780 in New York and married Sarah Barnhart. He was a carpenter and a farmer. They moved from New York to Susquehanna County, Pennsylvania abt. 1839 and there they both died in 1851, both aged 76.


John Underhill & Sarah Barnhart were the parents of my ancestor,

  1. Dewitt Clinton Underhill, born 1811, married Nellie E. Higley, born 1816.

  2. Sarah M. Underhill, born bet. 1815-1820, married Joshua Stage before 1840 and died before 1900.

  3. Bartow Underhill, died before 1900 in California.

  4. Saloma Underhill, born bet. 1825-1830 and married Raymond Mayo before 1850.

Records, photos, and memorabilia pertaining to the life of John Underhill:

DNA Notes:

I chose AncestryDNA for my DNA test. You can get yours on Amazon and have it in your hands in a couple days! Click here!

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