This is the big one!
With more than 800,000 distinct names and more than 171,500 direct descendants of the immigrant, John Blackburn, this may well be the largest single-family database around. (Updated through September 15, 2018.)
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 1926.
- Notes and sources available upon request.
- Because of the size of the database, the Relationship Calculator function can take a few minutes.