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Cognomen Bisby (Bisby
) , all over the world, is a rare surname. The family name Bisby is habitual in Isle of Man, where it is quite a rare surname, Australia, where it is a rare surname, and the United Kingdom. Not in comparison with a country's population, it is the most numerous in the United States, the United Kingdom, and Australia. Much less frequently, Bisby is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bisby | Canada, Australia, United States, United Kingdom, Costa Rica |