Cognomen Priori (Prior 
, Priori ) , in all the world, is a common last name. The surname Priori is characteristic of Isle of Man, where it is quite a common surname, Australia, and Ireland (explore the name in all countries). In absolute terms, it is commonest in the United Kingdom, the United States, and Italy. Much less frequently, Priori is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Priori, Prior | United Kingdom, Australia, Brazil, Italy, United States |
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lorenzo priori author (16th century) (b. 1501) |
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| nicanor priori Roman Catholic bishop, IT (b. 1839) |
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alberto priori Italian neurologist (1962-), IT (b. 1962) |
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wellington cirino priori Brazilian association football player, BR (b. 1990) |
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| giancarlo priori Italian architect, IT (b. 1949) |
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| paolo priori Italian motorcycle racer, IT (b. 1955) |
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| albina natalia priori Ph.D. Universidad Nacional de San Luis 2013 |
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| silvia priori researcher |
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| simone priori researcher, ORCID id # 0000-0002-9095-5833 |
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| carmela ciccarelli priori researcher |
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| roberta priori researcher |
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| silvia giuliana priori winner of the Gili-Agostinelli Prize in 2017 |
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| vincenzo priori |
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| ricardo priori Argentine professional footballer, AR (b. 1995) |
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