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Cognomen Siguro (Seguro
, Siguro
) , across the world, is quite a common family name. The surname Siguro is characteristic of Belize, where it is quite a common surname, Portugal, where it is quite a rare surname, and Colombia. Measured by absolute frequency, it is commonest in Colombia, Brazil, and Portugal. Very seldom, Siguro is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Seguro | Portugal, Philippines, Colombia, Brazil, Argentina |
| Siguro | Spain, India, Philippines, Argentina |