Family name Proculo (Proculo 
) , in all the world, is a rare last name. The family name Proculo is habitual in Mexico, where it is a rare surname, Spain, and Nicaragua, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Mexico, Spain, and Italy. More prevalently, Proculo is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Proculo | Spain, Mexico, Philippines, United States, Peru |
| publio plauzio proculo Roman consul 328 BC, IT (b. 350) |
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| niccolò de proculo |
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| natalis de proculo |
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