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Cognomen Blackmer (Blackmer
) , globally, is quite a rare last name. The last name Blackmer is characteristic of the United States, where it is a rare surname, Canada, and New Zealand. Not in comparison with a country's population, the name is most common in the United States, Canada, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Blackmer | Spain, Canada, New Zealand, United States, United Kingdom |