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Family name Birchenough (Birchenough
) , globally, is a rare cognomen. The last name Birchenough is habitual in the United Kingdom, where it is a rare surname, New Zealand, and Australia. Not in comparison with a country's population, it is commonest in the United Kingdom, the United States, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Birchenough | Canada, New Zealand, Australia, United States, United Kingdom |