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Surname List: Begins with O


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All surnames beginning with O, sorted alphabetically (total individuals):

1. O'Brien (1)
2. O'Bryan (1)
3. O'Neil (1)
4. O'Rourke (1)
5. Ober (1)
6. Ockley (1)
    7. Odell (14)
8. Odom (1)
9. Ogden (1)
10. Olander (1)
11. Olcott (3)
12. Olmstead (2)
    13. Olney (2)
14. Olson (2)
15. Orth (10)
16. Orwell (1)
17. Osborn (2)
18. Osgood (1)
    19. Osmer (1)
20. Osmun (1)
21. Osterhout (1)
22. Oswald (4)
23. Otis (1)
24. Outhoudt (1)
    25. Overton (1)
26. Owen (5)
27. Owens (4)

UPCOMING SHELDON GENEALOGY MEETINGS

Topic: Open Discussion / Census Project
20 Apr 2025, 12 noon PST - Meeting free on Zoom
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Topic: Open Discussion / Census Project
4 May 2025, 12 noon PST - Meeting free on Zoom
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(To join the meeting, click on the blue Zoom button above.)

Search for and Include Your Ancestors

We are building a worldwide Sheldon database from scratch. Everything in the database will be documented and sourced. If your ancestors aren’t here, and you would like them to be included, please let us know!

Rev. Henry O. Sheldon

The Rev. Henry O. Sheldon is often considered the grandfather of Sheldon genealogy. While traveling as a preacher he met other Sheldons and wondered how they were all related. Eventually, he began collecting genealogies & piecing the various Sheldon branches together, first published in 1855 as the Sheldon Magazine.

From his private journal: Monday, 4th of May, 1818, age 19, the start of his travels:

“Snowed some last night – roads wet and splashy – At half-past eleven A.M. started on a western tour – took an affectionate leave of my parents and brother and sister after receiving their advice & prayer for my preservation, — rode 25 miles – The day was wet & cold & stormy – Winds N.W.”

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