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Cognomen Blackhall (Blackhall
) , throughout the world, is quite a rare family name. The cognomen Blackhall is habitual in Jamaica, where it is quite a rare surname, Australia, where it is a rare surname, and the United Kingdom. Measured by absolute frequency, it is commonest in the United Kingdom, Australia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Blackhall | Canada, Australia, United States, United Kingdom, Argentina |