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Last name Portlock (Portlock ) , worldwide, is quite a rare surname. The family name Portlock is habitual in the United Kingdom, where it is a rare surname, Australia, and New Zealand. Not in comparison with a country's population, this name is the most popular in the United States, the United Kingdom, and Australia.
VARIANT | COUNTRY |
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Portlock | Australia, South Africa, Canada, United Kingdom, United States |