database iconThis is the big one!

With more than 975,000 distinct individuals and 205,042 recorded direct descendants of the immigrant, John Blackburn, this may well be the largest single-family database around. (Updated through September 11, 2022.)

Some notes before you begin using the search function below:

  • Send corrections and updates to Kevin Howley.
  • Database not working? Notify Dora Badger.
  • Birth info has been removed for living people born after 1930.
  • Notes and sources available upon request.
  • Because of the size of the database, the Relationship Calculator function can take a few minutes.


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